OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B ± FEBRUARY 1989 ± REVISED AUGUST 1994
• Direct Replacements for PMI and LTC OP27 |
JG OR P PACKAGE |
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and OP37 Series |
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(TOP VIEW) |
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Features of OP27A, OP27C, OP37A, and |
VIO TRIM |
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VIO TRIM |
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1 |
8 |
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OP37C: |
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• Maximum Equivalent Input Noise Voltage: |
IN± |
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VCC + |
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IN + |
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6 |
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OUT |
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3.8 nV/√ Hz at 1 kHz |
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VCC ± |
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NC |
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5.5 nV/√ Hz at 10 kHz |
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• Very Low Peak-to-Peak Noise Voltage at |
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FK PACKAGE |
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0.1 Hz to 10 Hz . . . 80 nV Typ |
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(TOP VIEW) |
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• Low Input Offset Voltage . . . 25 μV Max |
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TRIM |
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• High Voltage Amplification . . . 1 V/ μV Min |
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IO |
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Feature of OP37 Series: |
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NC |
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V |
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• Minimum Slew Rate . . . 11 V/ μs |
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20 19 |
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NC |
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description |
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VCC + |
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The OP27 and OP37 operational amplifiers |
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NC |
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combine outstanding noise performance with |
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excellent precision and high-speed specifications. |
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NC |
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10 11 12 13 |
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The wideband noise is only 3 nV/ Hz and with the |
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1/f noise corner at 2.7 Hz, low noise is maintained |
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NC |
CC± |
NC |
TRIM |
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for all low-frequency applications. |
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IO |
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The outstanding characteristics of the OP27 and |
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OP37 make these devices excellent choices |
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NC ± No internal connection |
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for low-noise amplifier applications requiring |
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precision performance and reliability. Additionally, |
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the OP37 is free of latch-up in high-gain, |
symbol |
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large-capacitive-feedback configurations. |
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3 |
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The OP27 series is compensated for unity gain. |
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IN + |
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+ |
6 |
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OUT |
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The OP37 series is decompensated for increased |
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bandwidth and slew rate and is stable down to a |
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IN ± |
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1 |
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8 |
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gain of 5. |
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The OP27A, OP27C, OP37A, and OP37C are |
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VIO TRIM |
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characterized for operation over the full military |
Pin numbers are for the JG and P packages. |
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temperature range of ±55°C to 125°C. The |
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OP27E, OP27G, OP37E, and OP37G are |
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characterized for operation from ± 25°C to 85°C. |
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AVAILABLE OPTIONS |
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VIOmax |
STABLE |
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PACKAGE |
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TA |
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CERAMIC DIP |
CHIP CARRIER |
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PLASTIC DIP |
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AT 25°C |
GAIN |
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(JG) |
(FK) |
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(P) |
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25 μV |
1 |
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Ð |
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OP27EP |
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5 |
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OP37EP |
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±25°C to 85°C |
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100 μV |
1 |
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OP27GP |
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OP37GP |
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25 μV |
1 |
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OP27AJG |
OP27AFK |
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OP37AJG |
OP37AFK |
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±55°C to 125°C |
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100 μV |
1 |
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OP27CJG |
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OP37CJG |
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PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265
POST OFFICE BOX 1443 •HOUSTON, TEXAS 77251±1443
Copyright 1994, Texas Instruments Incorporated
2±1
2±2
77251±144375265 TEXASTEXASDALLAS,HOUSTON,•655303• 1443BOXBOXOFFICEOFFICEPOSTPOST
schematic
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VIO TRIM |
VIO TRIM |
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VCC + |
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480 μA |
750 |
260 |
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Q6 |
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μA |
μA |
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Q22 |
C1² |
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Q21 |
Q20 |
Q46 |
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Q1A |
Q23 Q24 |
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Q19 |
OUT |
IN + |
Q1B Q2B |
Q2A |
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Q3
IN ±
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Q11 |
Q45 |
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Q12 |
Q26 |
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Q27 |
Q28 |
240 μA |
120 |
340 |
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μA |
μA |
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VCC ± |
²C1 = 120 pF for OP27
C1 = 15 pF for OP37
OPERATIONAL SPEED-HIGH NOISE-LOW 1994 AUGUST REVISED ± 1989 FEBRUARY ± SLOS100B |
OP27G OP27E, OP27C, OP27A, OP37G OP37E, OP37C, OP37A, |
AMPLIFIER |
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OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B ± FEBRUARY 1989 ± REVISED AUGUST 1994
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC + (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . . |
. . . . . . . . . 22 V |
Supply voltage, VCC ± (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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. . . . . . . . ± 22 V |
Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . |
. . . . . . . . VCC ± |
Duration of output short circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . |
. . . . . . unlimited |
Differential input current (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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. . . . . . ± 25 mA |
Continuous power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
See Dissipation Rating Table |
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Operating free-air temperature range: OP27A, OP27C, OP37A, OP37C . . . . . . |
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± 55°C to 125°C |
OP27E, OP27G, OP37E, OP37G . . . . . |
. . . . . . . . . . |
± 25°C to 85°C |
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . |
± 65°C to 150°C |
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: JG or FK package . . . . . . |
. . . . . . . . 300°C |
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Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds : P package . . |
. . . . . . . . . . |
. . . . . . . . 260°C |
NOTES: 1. All voltage values are with respect to the midpoint between VCC + and VCC ± unless otherwise noted.
2.The inputs are protected by back-to-back diodes. Current-limiting resistors are not used in order to achieve low noise. Excessive input current will flow if a differential input voltage in excess of approximately ± 0.7 V is applied between the inputs unless some limiting resistance is used.
DISSIPATION RATING TABLE
PACKAGE |
TA ≤ 25°C |
DERATING FACTOR |
TA = 85°C |
TA = 125°C |
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POWER RATING |
ABOVE TA = 25°C |
POWER RATING |
POWER RATING |
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JG |
1050 mW |
8.4 mW/°C |
546 mW |
210 mW |
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FK |
1375 mW |
11.0 mW/°C |
715 mW |
275 mW |
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P |
1000 mW |
8.0 mW/°C |
520 mW |
N/A |
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POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
2±3 |
POST OFFICE BOX 1443 •HOUSTON, TEXAS 77251±1443 |
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OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B ± FEBRUARY 1989 ± REVISED AUGUST 1994
recommended operating conditions
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OP27A, OP37A |
OP27C, OP37C |
UNIT |
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MIN |
NOM |
MAX |
MIN |
NOM |
MAX |
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Supply voltage, VCC + |
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4 |
15 |
22 |
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15 |
22 |
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Supply voltage, VCC ± |
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± 4 |
± 15 |
± 22 |
± 4 |
± 15 |
± 22 |
V |
Common-mode input voltage, VIC |
VCC ± = ± 15 V, |
TA = 25°C |
± 11 |
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± 11 |
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V |
VCC ± = ± 15 V, |
TA = ± 55°C to 125°C |
± 10.3 |
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± 10.2 |
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Operating free-air temperature, TA |
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± 55 |
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125 |
± 55 |
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125 |
°C |
electrical characteristics at specified free-air temperature, VCC ± = ±15 V (unless otherwise noted)
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PARAMETER |
TEST CONDITIONS |
T ² |
OP27A, OP37A |
OP27C, OP37C |
UNIT |
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A |
MIN |
TYP |
MAX |
MIN |
TYP |
MAX |
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VIO |
Input offset voltage |
VO = 0, |
VIC = 0 |
25°C |
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25 |
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100 |
μV |
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RS = 50 Ω, |
See Note 3 |
Full range |
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60 |
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300 |
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Average temperature |
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αVIO |
coefficient of input |
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Full range |
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0.2 |
0.6 |
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0.4 |
1.8 |
μV/°C |
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offset voltage |
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Long-term drift of input |
See Note 4 |
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0.2 |
1 |
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0.4 |
2 |
μV/mo |
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offset voltage |
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IIO |
Input offset current |
VO = 0, |
VIC = 0 |
25°C |
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7 |
35 |
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75 |
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Full range |
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50 |
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135 |
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IIB |
Input bias current |
VO = 0, |
VIC = 0 |
25°C |
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± 40 |
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± 15 |
± 80 |
nA |
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Full range |
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± 60 |
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± 150 |
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11 |
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11 |
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25°C |
to |
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to |
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VICR |
Common-mode input |
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± 11 |
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± 11 |
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V |
voltage range |
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10.3 |
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10.5 |
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Full range |
to |
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to |
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± 10.3 |
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± 10.5 |
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RL ≥ 2 kΩ |
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± 12 |
± 13.8 |
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± 11.5 |
± 13.5 |
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VOM |
Peak output voltage swing |
RL ≥ 0.6 kΩ |
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± 10 |
± 11.5 |
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± 10 |
± 11.5 |
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V |
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RL ≥ 2 kΩ |
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Full range |
± 11.5 |
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10.5 |
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RL ≥ 2 kΩ, |
VO = ± 10 V |
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1000 |
1800 |
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700 |
1500 |
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Large-signal differential |
RL ≥ 1 kΩ, |
VO = ± 10 V |
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800 |
1500 |
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1500 |
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AVD |
RL ≥ 0.6 kΩ, VO = ± 1 V, |
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V/mV |
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voltage amplification |
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250 |
700 |
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200 |
500 |
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VCC± = ± 4 V |
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RL ≥ 2 kΩ, |
VO = ± 10 V |
Full range |
600 |
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300 |
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ri(CM) |
Common-mode input |
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3 |
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2 |
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GΩ |
resistance |
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ro |
Output resistance |
VO = 0, |
IO = 0 |
25°C |
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70 |
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70 |
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Ω |
CMRR |
Common-mode rejection |
VIC = ± 11 V |
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25°C |
114 |
126 |
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100 |
120 |
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dB |
ratio |
VIC = ± 10 V |
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Full range |
110 |
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94 |
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kSVR |
Supply voltage rejection |
VCC ± = ± 4 V to ± 18 V |
25°C |
100 |
120 |
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94 |
118 |
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dB |
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ratio |
VCC ± = ± 4.5 V to ± 18 V |
Full range |
96 |
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86 |
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² Full range is ± 55°C to 125°C.
NOTES: 3. Input offset voltage measurements are performed by automatic test equipment approximately 0.5 seconds after applying power.
4.Long-term drift of input offset voltage refers to the average trend line of offset voltage versus time over extended periods after the first 30 days of operation. Excluding the initial hour of operation, changes in VIO during the first 30 days are typically 2.5 μV (see Figure 3).
2±4 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
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POST OFFICE BOX 1443 •HOUSTON, TEXAS 77251±1443 |
OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B ± FEBRUARY 1989 ± REVISED AUGUST 1994
recommended operating conditions
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MIN |
NOM |
MAX |
UNIT |
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Supply voltage, VCC + |
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4 |
15 |
22 |
V |
Supply voltage, VCC ± |
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± 4 |
± 15 |
± 22 |
V |
Common-mode input voltage, VIC |
VCC ± = ± 15 V, |
TA = 25°C |
± 11 |
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V |
VCC ± = ± 15 V, |
TA = ± 55°C to 125°C |
± 10.5 |
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Operating free-air temperature, TA |
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± 25 |
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85 |
°C |
electrical characteristics at specified free-air temperature, VCC ± = ± 15 V (unless otherwise noted)
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PARAMETER |
TEST CONDITIONS |
T ² |
OP27E, OP37E |
OP27G, OP37G |
UNIT |
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A |
MIN |
TYP |
MAX |
MIN |
TYP |
MAX |
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VIO |
Input offset voltage |
VO = 0, |
VIC = 0 |
25°C |
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10 |
25 |
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30 |
100 |
μV |
RS = 50 Ω, |
See Note 3 |
Full range |
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60 |
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220 |
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αVIO |
Average temperature |
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μV/°C |
coefficient of input |
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Full range |
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0.2 |
0.6 |
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0.4 |
1.8 |
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offset voltage |
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Long-term drift of input |
See Note 4 |
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0.2 |
1 |
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0.4 |
2 |
μV/mo |
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offset voltage |
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IIO |
Input offset current |
VO = 0, |
VIC = 0 |
25°C |
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7 |
35 |
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12 |
75 |
nA |
Full range |
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50 |
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135 |
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IIB |
Input bias current |
VO = 0, |
VIC = 0 |
25°C |
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± 10 |
± 40 |
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± 15 |
± 80 |
nA |
Full range |
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± 60 |
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± 150 |
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25°C |
11 |
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11 |
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to |
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to |
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VICR |
Common-mode input |
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± 11 |
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± 11 |
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V |
voltage range |
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10.3 |
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10.5 |
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Full range |
to |
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to |
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± 10.3 |
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± 10.5 |
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RL ≥ 2 kΩ |
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± 12 |
± 13.8 |
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± 11.5 |
± 13.5 |
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VOM |
Peak output voltage swing |
RL ≥ 0.6 kΩ |
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± 10 |
± 11.5 |
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± 10 |
± 11.5 |
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V |
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RL ≥ 2 kΩ |
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Full range |
± 11.5 |
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10.5 |
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RL ≥ 2 kΩ, |
VO = ± 10 V |
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1000 |
1800 |
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700 |
1500 |
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Large-signal differential |
RL ≥ 1 kΩ, |
VO = ± 10 V |
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800 |
1500 |
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1500 |
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AVD |
RL ≥ 0.6 kΩ, VO = ± 1 V, |
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V/mV |
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voltage amplification |
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250 |
700 |
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200 |
500 |
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VCC± = ± 4 V |
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RL ≥ 2 kΩ, |
VO = ± 10 V |
Full range |
600 |
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450 |
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ri(CM) |
Common-mode input |
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3 |
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2 |
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GΩ |
resistance |
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ro |
Output resistance |
VO = 0, |
IO = 0 |
25°C |
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70 |
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70 |
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Ω |
CMRR |
Common-mode rejection |
VIC = ± 11 V |
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25°C |
114 |
126 |
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100 |
120 |
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dB |
ratio |
VIC = ± 10 V |
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Full range |
110 |
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96 |
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kSVR |
Supply voltage rejection |
VCC ± = ± 4 V to ± 18 V |
25°C |
100 |
120 |
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94 |
118 |
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dB |
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ratio |
VCC ± = ± 4.5 V to ± 18 V |
Full range |
96 |
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90 |
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² Full range is ± 25°C to 85°C.
NOTES: 3. Input offset voltage measurements are performed by automatic test equipment approximately 0.5 seconds after applying power.
4.Long-term drift of input offset voltage refers to the average trend line of offset voltage versus time over extended periods after the first 30 days of operation. Excluding the initial hour of operation, changes in VIO during the first 30 days are typically 2.5 μV (see Figure 3).
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
2±5 |
POST OFFICE BOX 1443 •HOUSTON, TEXAS 77251±1443 |
|
OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B ± FEBRUARY 1989 ± REVISED AUGUST 1994
OP27 operating characteristics over operating free-air temperature range, VCC ± = ±15 V
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PARAMETER |
TEST CONDITIONS |
OP27A, OP27E |
OP27C, OP27G |
UNIT |
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MIN |
TYP |
MAX |
MIN |
TYP |
MAX |
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SR |
Slew rate |
AVD ≥ 1, |
RL ≥ 2 kΩ |
1.7 |
2.8 |
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1.7 |
2.8 |
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V/μs |
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VN(PP) |
Peak-to-peak equivalent |
f = 0.1 Hz to 10 Hz, |
RS = 20 Ω, |
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0.08 |
0.18 |
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0.09 |
0.25 |
μV |
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input noise voltage |
See Figure 34 |
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f = 10 Hz, |
RS = 20 Ω |
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3.5 |
5.5 |
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3.8 |
8 |
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Vn |
Equivalent input noise voltage |
f = 30 Hz, |
RS = 20 Ω |
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3.1 |
4.5 |
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3.3 |
5.6 |
nV/√ |
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Hz |
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f = 1 kHz, |
RS = 20 Ω |
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3 |
3.8 |
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3.2 |
4.5 |
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f = 10 Hz, |
See Figure 35 |
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1.5 |
4 |
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1.5 |
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In |
Equivalent input noise current |
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f = 30 Hz, |
See Figure 35 |
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1 |
2.3 |
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1 |
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pA/√ |
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Hz |
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f = 1 kHz, |
See Figure 35 |
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0.4 |
0.6 |
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0.4 |
0.6 |
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Gain-bandwidth product |
f = 100 kHz |
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5 |
8 |
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5 |
8 |
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MHz |
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OP37 operating characteristics over operating free-air temperature range, VCC ± = ±15 V
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PARAMETER |
TEST CONDITIONS |
OP37A, OP37E |
OP37C, OP37G |
UNIT |
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MIN |
TYP |
MAX |
MIN |
TYP |
MAX |
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SR |
Slew rate |
AVD ≥ 5, |
RL ≥ 2 kΩ |
11 |
17 |
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11 |
17 |
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V/μs |
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VN(PP) |
Peak-to-peak equivalent |
f = 0.1 Hz to 10 Hz, |
RS = 20 Ω, |
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0.08 |
0.18 |
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0.09 |
0.25 |
μV |
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input noise voltage |
See Figure 34 |
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Equivalent input noise |
f = 10 Hz, |
RS = 20 Ω |
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3.5 |
5.5 |
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3.8 |
8 |
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Vn |
f = 30 Hz, |
RS = 20 Ω |
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3.1 |
4.5 |
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3.3 |
5.6 |
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nV/√ Hz |
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voltage |
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f = 1 kHz, |
RS = 20 Ω |
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3 |
3.8 |
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3.2 |
4.5 |
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f = 10 Hz, |
See Figure 35 |
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1.5 |
4 |
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1.5 |
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In |
Equivalent input noise current |
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f = 30 Hz, |
See Figure 35 |
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1 |
2.3 |
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1 |
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pA/√ |
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Hz |
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f = 1 kHz, |
See Figure 35 |
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0.4 |
0.6 |
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0.4 |
0.6 |
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Gain-bandwidth product |
f = 10 kHz |
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45 |
63 |
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45 |
63 |
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MHz |
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AV ≥ 5, |
f = 1 MHz |
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40 |
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40 |
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2±6 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
|
POST OFFICE BOX 1443 •HOUSTON, TEXAS 77251±1443 |
OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B ± FEBRUARY 1989 ± REVISED AUGUST 1994
TYPICAL CHARACTERISTICS
Table of Graphs
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FIGURE |
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VIO |
Input offset voltage |
vs Temperature |
1 |
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VIO |
Change in input offset voltage |
vs Time after power on |
2 |
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vs Time (long-term drift) |
3 |
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IIO |
Input offset current |
vs Temperature |
4 |
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IIB |
Input bias current |
vs Temperature |
5 |
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VICR |
Common-mode input voltage range |
vs Supply voltage |
6 |
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VOM |
Maximum peak output voltage |
vs Load resistance |
7 |
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VO(PP) |
Maximum peak-to-peak output voltage |
vs Frequency |
8, 9 |
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vs Supply voltage |
10 |
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AVD |
Differential voltage amplification |
vs Load resistance |
11 |
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vs Frequency |
12, 13, 14 |
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CMRR |
Common-mode rejection ratio |
vs Frequency |
15 |
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kSVR |
Supply voltage rejection ratio |
vs Frequency |
16 |
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vs Temperature |
17 |
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SR |
Slew rate |
vs Supply voltage |
18 |
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vs Load resistance |
19 |
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φm |
Phase margin |
vs Temperature |
20, 21 |
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φ |
Phase shift |
vs Frequency |
12, 13 |
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vs Bandwidth |
22 |
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vs Source resistance |
23 |
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Vn |
Equivalent input noise voltage |
vs Supply voltage |
24 |
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vs Temperature |
25 |
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vs Frequency |
26 |
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In |
Equivalent input noise current |
vs Frequency |
27 |
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Gain-bandwidth product |
vs Temperature |
20, 21 |
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IOS |
Short-circuit output current |
vs Time |
28 |
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ICC |
Supply current |
vs Supply voltage |
29 |
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Pulse response |
Small signal |
30, 32 |
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Large signal |
31, 33 |
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POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
2±7 |
POST OFFICE BOX 1443 •HOUSTON, TEXAS 77251±1443 |
|