Order this document by TCA0372/D
TCA0372
Advance Information
Dual Power Operational
Amplifier
The TCA0372 is a monolithic circuit intended for use as a power operational amplifier in a wide range of applications, including servo amplifiers and power supplies. No deadband crossover distortion provides better performance for driving coils.
•Output Current to 1.0 A
•Slew Rate of 1.3 V/μs
•Wide Bandwidth of 1.1 MHz
•Internal Thermal Shutdown
•Single or Split Supply Operation
•Excellent Gain and Phase Margins
•Common Mode Input Includes Ground
•Zero Deadband Crossover Distortion
Representative Block Diagram |
VCC |
Current |
Bias |
Monitoring |
Inv. |
Input |
Output |
Noninv. |
Input |
Thermal |
Protection |
VEE |
ORDERING INFORMATION
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Operating |
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Device |
Temperature Range |
Package |
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TCA0372DW |
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SOP (12+2+2) L |
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TJ = ±40° to +150°C |
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TCA0372DP1 |
Plastic DIP |
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TCA0372DP2 |
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Plastic DIP |
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DW SUFFIX |
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PLASTIC PACKAGE |
16 |
CASE 751G |
1 |
SOP (12+2+2)L |
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DP2 SUFFIX |
16 |
PLASTIC PACKAGE |
CASE 648 |
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1 |
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DP1 SUFFIX |
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PLASTIC PACKAGE |
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CASE 626 |
8 |
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1 |
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PIN CONNECTIONS |
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TCA0372DP2 |
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Output A |
1 |
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16 |
Gnd |
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VCC |
2 |
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15 |
Gnd |
Output B |
3 |
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14 |
Gnd |
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V |
/Gnd |
4 |
± + |
13 |
Gnd |
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EE |
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12 |
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Inputs B |
5 |
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Gnd |
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6 |
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11 |
Gnd |
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+ |
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± |
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Inputs A |
7 |
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10 |
Gnd |
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8 |
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9 |
Gnd |
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(Top View)
*Pins 4 and 9 to 16 are internally connected.
TCA0372DW
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VCC |
1 |
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16 |
Output A |
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Output B |
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NC |
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2 |
15 |
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NC |
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NC |
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3 |
14 |
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VEE/Gnd |
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4 |
13 |
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VEE/Gnd |
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5 |
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12 |
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NC |
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6 |
11 |
NC |
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Inputs ±B |
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Input ±A |
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7 |
10 |
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Inputs +B |
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Input +A |
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8 |
9 |
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(Top View) |
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TCA0372DP1 |
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Output A |
1 |
± |
8 |
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+ |
Inputs A |
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VCC |
2 |
7 |
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Output B |
3 |
+ |
6 |
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± |
Inputs B |
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VEE/Gnd |
4 |
5 |
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(Top View) |
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This document contains information on a new product. Specifications and information herein |
Motorola, Inc. 1996 |
Rev 1 |
are subject to change without notice. |
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TCA0372
MAXIMUM RATINGS
Rating |
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Symbol |
Value |
Unit |
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Supply Voltage (from VCC to VEE) |
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VS |
40 |
V |
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Input Differential Voltage Range |
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VIDR |
(Note 1) |
V |
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Input Voltage Range |
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VIR |
(Note 1) |
V |
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Junction Temperature (Note 2) |
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TJ |
+150 |
°C |
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Storage Temperature Range |
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Tstg |
±55 to +150 |
°C |
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DC Output Current |
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IO |
1.0 |
A |
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Peak Output Current (Nonrepetitive) |
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I(max) |
1.5 |
A |
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DC ELECTRICAL CHARACTERISTICS (VCC = +15 V, VEE = ±15 V, RL connected to ground, TJ = ±40° to +125°C.) |
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Characteristics |
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Symbol |
Min |
Typ |
Max |
Unit |
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Input Offset Voltage (VCM = 0) |
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VIO |
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mV |
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TJ = +25°C |
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Ð |
1.0 |
15 |
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TJ, Tlow to Thigh |
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Ð |
Ð |
20 |
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Average Temperature Coefficient of Offset Voltage |
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VIO/ T |
Ð |
20 |
Ð |
μV/°C |
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Input Bias Current (VCM = 0) |
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IIB |
Ð |
100 |
500 |
nA |
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Input Offset Current (VCM = 0) |
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IIO |
Ð |
10 |
50 |
nA |
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Large Signal Voltage Gain |
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AVOL |
30 |
100 |
Ð |
V/mV |
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VO = ±10 V, RL = 2.0 k |
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Output Voltage Swing (IL = 100 mA) |
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VOH |
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V |
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TJ = +25°C |
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14.0 |
14.2 |
Ð |
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TJ = Tlow to Thigh |
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13.9 |
Ð |
Ð |
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TJ = +25°C |
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VOL |
Ð |
±14.2 |
±14.0 |
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TJ = Tlow to Thigh |
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Ð |
Ð |
±13.9 |
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Output Voltage Swing (IL = 1.0 A) |
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VOH |
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V |
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VCC = +24 V, VEE = 0 V, TJ = +25°C |
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22.5 |
22.7 |
Ð |
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VCC = +24 V, VEE = 0 V, TJ = Tlow to Thigh |
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22.5 |
Ð |
Ð |
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VCC = +24 V, VEE = 0 V, TJ = +25°C |
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VOL |
Ð |
1.3 |
1.5 |
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VCC = +24 V, VEE = 0 V, TJ = Tlow to Thigh |
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Ð |
Ð |
1.5 |
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Input Common Mode Voltage Range |
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VICR |
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V |
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TJ = +25°C |
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VEE to (VCC ±1.0) |
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TJ = Tlow to Thigh |
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VEE to (VCC ±1.3) |
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Common Mode Rejection Ratio (RS = 10 k) |
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CMRR |
70 |
90 |
Ð |
dB |
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Power Supply Rejection Ratio (RS = 100 Ω) |
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PSRR |
70 |
90 |
Ð |
dB |
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Power Supply Current |
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ID |
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mA |
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TJ = +25°C |
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Ð |
5.0 |
10 |
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TJ = Tlow to Thigh |
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Ð |
Ð |
14 |
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NOTES: 1. Either or both input voltages should not exceed the magnitude of VCC or VEE. |
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2. Power dissipation must be considered to ensure maximum junction temperature (TJ) is not exceeded.
AC ELECTRICAL CHARACTERISTICS (VCC = +15 V, VEE = ±15 V, RL connected to ground, TJ = +25°C, unless otherwise noted.)
Characteristics |
Symbol |
Min |
Typ |
Max |
Unit |
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Slew Rate (Vin = ±10 V to +10 V, RL = 2.0 k, CL = 100 pF) |
SR |
1.0 |
1.4 |
Ð |
V/μs |
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AV = ±1.0, TJ = Tlow to Thigh |
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Gain Bandwidth Product (f = 100 kHz, CL = 100 pF, RL = 2.0 k) |
GBW |
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MHz |
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TJ = 25°C |
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0.9 |
1.4 |
Ð |
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TJ = Tlow to Thigh |
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0.7 |
Ð |
Ð |
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Phase Margin TJ = Tlow to Thigh |
φm |
Ð |
65 |
Ð |
Degrees |
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RL = 2.0 k, CL = 100 pF |
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Gain Margin |
Am |
Ð |
15 |
Ð |
dB |
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RL = 2.0 k, CL = 100 pF |
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Equivalent Input Noise Voltage |
en |
Ð |
22 |
Ð |
nV/√ |
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Hz |
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RS = 100 Ω, f = 1.0 to 100 kHz |
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Total Harmonic Distortion |
THD |
Ð |
0.02 |
Ð |
% |
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AV = ±1.0, RL = 50 Ω, VO = 0.5 VRMS, f = 1.0 kHz |
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NOTE: In case VEE is disconnected before VCC, a diode between VEE and Ground is recommended to avoid damaging the device.
2 |
MOTOROLA ANALOG IC DEVICE DATA |
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TCA0372 |
Figure 1. Supply Current versus Suppy Voltage |
Figure 2. Output Saturation Voltage |
with No Load |
versus Load Current |
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6.5 |
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(V) |
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VCC |
SUPPLY CURRENT (mA) |
5.5 |
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SATURATION VOLTAGE |
VCC±1.0 |
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VCC±2.0 |
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4.5 |
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VCC+2.0 |
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, |
3.5 |
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OUTPUT |
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CC |
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V |
+1.0 |
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I |
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CC |
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, |
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sat |
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2.5 |
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V |
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VEE |
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2.0 |
4.0 |
6.0 |
8.0 |
10 |
12 |
14 |
16 |
18 |
20 |
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0 |
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VCC = 24 V |
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VEE = 0 V |
0 |
0.5 |
1.0 |
VCC, |VEE|, SUPPLY VOLTAGE (V) |
IL, LOAD CURRENT (A) |
Figure 3. Voltage Gain and Phase
versus Frequency
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80 |
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80 |
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VCC = +15 V |
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60 |
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VEE = ±15 V |
90 |
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RL = 2.0 kΩ |
PHASE (DEGREES) |
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GAIN (dB) |
40 |
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100 |
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20 |
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110 |
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120 |
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±20 |
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130 |
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1.0 |
10 |
100 |
1000 |
10000 |
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f, FREQUENCY (kHz)
Figure 4. Phase Margin versus Output
Load Capacitance
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70 |
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(DEGREES) |
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VCC = +15 V |
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60 |
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VEE = ±15 V |
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RL = 2.0 kΩ |
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AV = ±100 |
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50 |
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MARGIN |
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40 |
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, PHASE |
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30 |
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m |
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φ |
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20 |
0.4 |
0.8 |
1.2 |
1.6 |
2.0 |
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0 |
CL, OUTPUT LOAD CAPACITANCE (nF)
VO,OUTPUT VOLTAGE (50 mV/DIV)
Figure 5. Small Signal Transient Response
VCC = +15 V
VEE = ±15 V
AV = +1.0
RL = 2.0 kΩ
VO, OUTPUT VOLTAGE (5.0 V/DIV)
Figure 6. Large Signal Transient Response
VCC = +15 V
VEE = ±15 V
AV = +1.0
RL = 2.0 kΩ
t, TIME (1.0 μs/DIV) |
t, TIME (10 μs/DIV) |
MOTOROLA ANALOG IC DEVICE DATA |
3 |
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