ADMOS AMSOP-77GS, AMSOP-77GP, AMSOP-77FS, AMSOP-77FP, AMSOP-77ES Datasheet

Advanced AMSOP-77
Monolithic ULTRA LOW OFFSET VOLTAGE OPERATIONAL AMPLIFIER
Systems

FEATURES APPLICATIONS

•• Outstanding Linearity •• High-Gain Instrumentation

•• Low V

•• Excellent V

•• Ultra High Gain………………………….5000V/mV Min •• Precision Threshold Detectors

•• High PSRR……………………………………3µµV/V Max •• Biomedical Amplifiers

•• Low Power Consumption…………………….60mW Max

GENERAL DESCRIPTION

The AMSOP-77 is a precision operational amplifier with an ultra low input offset voltage. This device features a wide input
voltage range of ±13V minimum, low input bias current, high impedance, high PSRR, high CMRR, excellent stability of
offsets and gain over time and temperature. Exceptional gain linearity eliminates incorrectable system nonlinearities common
in previous monolithic op amps, and provides superior performance in high closed-loop gain applications.
Low cost, low noise, low offsets and high open-loop gain make the AMSOP-77 an excellent choice particularly for high-gain
instrumentation applications. Other applications include precision data acquisition, precision integrators, threshold detectors
and medical instrumentation.

overTemperature.…………………. 55µµV Max •• Precision Data Acquisition

OS

Drift………………………. 0.6µµV/°°C Max •• Precision Integrators

OS

The AMSOP-77 is operational in the commercial temperature range of 0°C to 70°C and is available in the 8 lead SOIC and
plastic dip (PDIP) packages.

ORDERING INFORMATION:

TOL. PACKAGE TYPE OPERATING

TEMPERATURE RANGE

0 to 70° C
0 to 70° C
0 to 70° C

±25µV

±60µV

±100µV

8 LEAD SOIC 8 LEAD PDIP
AMSOP-77ES AMSOP-77EP
AMSOP-77FS AMSOP-77FP
AMSOP-77GS AMSOP-77GP

PIN CONNECTIONS

8 Lead SOIC/ 8Lead PDIP

VOS TRIM

+IN

-IN

1
2
3
4

V-

8

VOS TRIM

7

V+
6 OUT
5

N/C

Top View

Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone [phone] Fax [phone]

AMSOP-77

ABSOLUTE MAXIMUM RATINGS (Note1)

Supply Voltage
Differential Input Voltage
Input Voltage

±22V

±30V
±22V

Output Short Circuit Duration Indefinite Thermal Resistance
Operating Temperature Range

0°C to70°C

Storage temperature
Junction Temperature
Soldering information (60 sec)

8 L SOIC
8 L PDIP

-65°C to +125°C
+150°C

300°C

158°C/W
103°C/W

ELECTRICAL CHARACTERISTICS

Electrical Characteristics at VIN =±15V and TA = +25°C unless otherwise specified.

Parameter Conditions AMSOP-77E AMSOP-77F AMSOP-77G Units

Min Typ Max Min Typ Max Min Typ Max

Input Offset Voltage 10 25 20 60 50 100
Long Term V

Stability
Input Offset Current 0.3 1.5 0.3 2.8 0.3 2.8 nA

Input Bias Current -0.2 1.2 2.0 -0.2 1.2 2.8 -0.2 1.2 2.8 nA
Input Noise Voltage

Input Noise Voltage
Density

Input Noise Current 0.1Hz to 10Hz 14 30 15 35 15 35 pA
Input Noise Current

Density

Input Resistance
Differential-Mode

Input Resistance
Common-Mode

Input Voltage Range

OS

(Note 2) 0.3 0.4 0.4

0.1Hz to 10Hz 0.35 0.6 0.38 0.65 0.38 0.65
fO = 10Hz

fO = 100Hz (Note 3)
fO = 1000Hz

fO = 10Hz
fO = 100Hz (Note 3)
fO = 1000Hz

(Note 4) 26 45 18.5 45 18.5 45

± 13 ± 14 ± 13 ± 14 ± 13 ± 14

10.3

10.0

9.6

0.32

0.14

0.12

200 200 200

18.0

13.0

11.0

0.80

0.23

0.17

10.5

10.2

9.8

0.35

0.15

0.13

20.0

13.5

11.5

0.90

0.27

0.18

10.5

10.3

9.8

0.35

0.15

0.13

20.0

13.5

11.5

0.90

0.27

0.18

µV

µV/Mo

µV

nV/√Hz

pA/√Hz

MΩ

GΩ

V

P-P

P-P

Common-Mode
Rejection Ratio

Power Supply
Rejection Ratio

Large-Signal
Voltage Gain

Output Voltage
Swing

Slew Rate
Closed-Loop

Bandwidth
Open-Loop Output

Resistance
Power Consumption

Offset Adjustment
Range

VCM = ± 13

VS = ± 13 to ± 18

RL≥2kΩ, VO =± 10V

RL ≥10kΩ
RL ≥2kΩ
RL ≥1kΩ

RL ≥2kΩ (Note 3)
A

=+1

VCL

(Note 3)
VO = 0, IO= 0 60 60 60

VS =± 15V, No Load
VS =± 3V, No Load

RP =20kΩ ± 3 ± 3 ± 3

5000 12000 2000 6000 2000 6000 V/mV

± 13.5
± 12.5
± 12.0

0.1 0.3 0.1 0.3 0.1 0.3

0.4 0.6 0.4 0.6 0.4 0.6 MHz

0.1 1.0 0.1 1.6 0.1 1.6

0.7 3.0 0.7 3.0 0.7 3.0

± 14.0
± 13.0
± 12.5

50

3.5

60

4.5

± 13.5
± 12.5
± 12.0

± 14.0
± 13.0
± 12.5

50

3.5

60

4.5

± 13.5
± 12.5
± 12.0

± 14.0
± 13.0
± 12.5

50

3.5

60

4.5

Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone [phone] Fax [phone]

µV/V

µV/V

V

V/µs

Ω

mW

mV

AMSOP-77

INVERTING INPUT BIAS

ELECTRICAL CHARACTERISTICS

Electrical Characteristics at VIN= ±15, 0°C ≤ TA ≤ +70°C unless otherwise specified.

Parameter Conditions AMSOP-77E AMSOP-77F AMSOP-77G Units

Min Typ Max Min Typ Max Min Typ Max

Input Offset Voltage 10 55 20 100 80 150
Average Input Offset

Voltage Drift
Input Offset Current 0.5 2.2 0.5 4.5 0.5 4.5 nA

Average Input Offset
Current Drift

Input Bias Current -0.2 2.4 4.0 -0.2 2.4 6.0 -0.2 2.4 6.0 nA
Average Input Bias

Current Drift
Input Voltage Range

Common-Mode
Rejection Ratio

Power Supply
Rejection Ratio

Large-Signal
Voltage Gain

(Note 3) 0.3 0.6 0.4 1.0 0.7 1.2

(Note 5) 1.5 40 1.5 85 1.5 85

(Note 5) 8 40 15 60 15 60

± 13.0 ± 13.5 ± 13.0 ± 13.5 ± 13.0 ± 13.5

VCM = ± 13

VS = ± 13 to ± 18

RL≥2kΩ, VO =± 10V

2000 6000 1000 4000 1000 4000 V/mV

0.1 1.0 0.1 3.0 0.1 3.0

1.0 3.0 1.0 5.0 1.0 5.0

µV

µV/°C

pA/°C

pA/°C

V

µV/V

µV/V

Output Voltage
Swing

Power Consumption

RL ≥2kΩ ± 12.0 ± 13.0 ± 12.0 ± 13.0 ± 12.0 ± 13.0

VS = ± 15V, No Load

60 75 60 75 60 75 mW

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is

intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The
guaranteed specifications apply only for the test conditions listed.

Note 2: Long-Term Input Offset Voltage Stability refers to the averaged trend line of VOS vs. Time over extended periods after the first 30 days of operation.

Excluding the initial hour of operation, changes in V

during the first 30 operating days are typically 2.5µV. Parameter is sample tested.

OS

Note 3: Sample tested
Note 4: Guaranteed by design.
Note 5: Guaranteed by end-point limits.

TYPICAL PERFORMANCE CHARACTERISTICS

Open-Loop Gain vs Temperature

25

VS = ±15V

20

15

10

5

OPEN-LOOP GAIN (V/µV)

0

-40

0 40

TEMPERATURE (° C)

Warm-UpDrift

4
3
2
1
0

-1

-2

OFFSET VOLTAGE (µV)

-3

ABSOLUTE CHANGE IN INPUT

-4

0.5

85

TIME AFTER POWER SUPPLY TURN-ON (minutes)

0 2.5

1.5 2

1 3

TA = 25° C

VS = ±15V

NONINVERTING INPUT BIAS

3.5

Input Bias Current vs
Differrential Input Voltage

30

AT | V

| ≤ 1.0V, | IB | ≤ 7nA (OP-07C)

DIFF

20

10

0

CURRENT (mA)

-10

-20

-30

-30 -20 -10 0 10 20 30
DIFFERENTIAL INPUT VALUE (V)

VS = ±15V

TA = 25° C

V

-30

-20

-10

0

10

20

30

Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone [phone] Fax [phone]