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GM358
LOW POWER DUAL OPERATIONAL AMPLIFERS
Description
The GM358 consists of two high gain, internally frequency compensated operational amplifiers which are designed to operated from a single power supply over a wide range of voltages. Operation from split power supplies is also available. The GM358 feature low power drain, a common mode input voltage range extending to GND/VEE. The GM358 is equivalent to one-half of the GM324. Application areas include transducer amplifiers, DC gain blocks and all the conventional op-amp circuits which now can be more easily implemented in single power supply systems. For example, the GM358 can be directly operated of the standard +5V power supply voltage which is used in digital systems and will easily provide the required interface electronics without requiring the additional 15V power supplies. The GM358 is available in SOP-8 and DIP-8 packages.
Features
True Differential Input Stage Internally Frequency Compensated for Unity Gain Single Supple Operation: 3V to 40V Wide Bandwidth (unity Gain, temperature compensated): 1 MHz Short Circuit Protected Outputs Low Input Bias Current Common Mode Range Extends to Negative Supply Single and Split Supply Operation
Typical Application Circuits
VIN VOUT
R2
R1
GAIN = 1+ (R2/R1)
www.gammamicro.com.tw 1
GM358V1.01
GM358
LOW POWER DUAL OPERATIONAL AMPLIFERS
Marking Information and Pin Configurations (Top View)
SO8 DIP8
7.
Output B 8. VCC
6. Input B
7. Output B 8. VCC 6. Input B 5. Input B +
5. Input B +
GM358 AYWW
GM358 AYWW
1. Output A 2. Input A -
4. 3.
Gnd Input A +
1. Output A 2. Input A -
4. Gnd 3. Input A +
A: Assembly / Test site code Y: Year WW: Week
Ordering Information
Ordering Number GM358D8T GM358S8T GM358S8R Package DIP-8 SOP-8 SOP-8 Shipping 60 Units / Tube 100 Units / Tube 2,500 Units / Tape & Reel
GM358V1.01
2
GM358
LOW POWER DUAL OPERATIONAL AMPLIFERS
Absolute Maximum Ratings
PARAMETER Supply Voltage Input Differential Voltage Range (Note 1) Input Common Mode Voltage Range (Note 2) Output Short Circuit Duration Junction Temperature Operating Ambient Temperature Range Storage Temperature Lead Temperature (soldering 10 sec.) ESD Tolerance - Human Body Mode
Note 1: Split Power Supplies Note 2: For Supply less 40V, the absolute maximum input range is equal to the supply voltage
Symbol VCC VCC, VEE VIDR VICR tSC TJ TA
RATINGS 40 20 32 =0.3 to 32 Continuous 150 - 40 to 125 - 65 to 150 260 2,000
UNITS V V V J J J J V
Block Diagram
VCC
VIN VOUT VIN + VIN +
3
GM358V1.01
GM358
LOW POWER DUAL OPERATIONAL AMPLIFERS
Electrical Characteristics (VCC = 5V, at specified free-air temperature, unless otherwise
specified) Parameter
Input offset Voltage Average Temperature Coefficient of Input offset Voltage Input Offest Current Average Temperature Coefficient of Input offset Current Input Bias Current Common-Mode Input Voltage Range
Symbol
VIO
Condition
VCC = 5V to Max VIC = VICR min VO = 1.4V TA = 25J Full Range Full Range TA = 25J Full Range Full Range TA = 25J Full Range TA = 25J Full Range TA = 25J Full Range Full Range Full Range TA = 25J Full Range TA = 25J TA = 25J TA = 25J TA = 25J Full Range TA = 25J Full Range
Min
Typ
3
Max
7 9
Unit
mV
VIO
7 2 50 150 10 -20 -250 -500 0 to VCC-1.5V 0 to VCC-2.0V VCC-1.5V 26 27 28 5 25 15 65 65 80 100 120 -20 -10 10 5 12 30 40 1.5 1.1 60 2.4 3 20 -30 100 20 -
V/C
IIO
nA
IO
pA/C
IIB
VO =1.4V
nA
VICR
VCC = 5V to Max RL = 2K
V
High-Level output Voltage High-Level output Voltage Large-Signal Differential Voltage Amplification Common Mode Rejection Ratio Supply Voltage Rejection Ratio Crosstalk Attenuation
VOH
VCC = MAX, RL = 2K VCC = MAX, RL = 10K
V
VOL AVD CMRR KSVR VO1/VO2
RL = 10K VCC = 15V, VO = 1V to 11V RL > 2K VCC = 5V to Max VIC = VICR min VCC = 5V to Max f = 1KHz to 20KHz VCC = 15V, VID = 1V, VO = 0V
mV V/mV dB dB dB
Output Current
IO
mA
VCC = 15V, VID = -1V, VO = 15V
VID = -1V, VO = 200mV Full Range Short-Circuit output Current IOS VCC at 5V, Gnd at -5V, VO = 0V VO = 2.5V, No Load ICC VCC = Max, VO = 0.5VCC, No Load TA = 25J Full Range Full Range
A mA
GM358V1.01
Supply Current (four amplifiers)
*
mA
All characteristics are measured under open loop conditions with zero common-mode input voltage unless otherwise specified. "MAX" VCC for testing purposes is 30V.
4
GM358
LOW POWER DUAL OPERATIONAL AMPLIFERS
Typical Performance Characteristics
AVOL - open loop Voltage Range (dB)
120 100 80 60 40 20 0 @ 20 1.0 14 12 1K VIN 7VDC
VO - output Swing (VP-P)
VCC = 15V VEE = GND TA = 25 C
100K 20K
10 8.0 6.0 4.0 VEE = GND 2.0 RF = 100K
VCC = 15V RL = 2K
TA = 25 C
10
100
1.0k
10k
100k
1.0M
0 1.0
10K
100K
1M
f - Frequency (HZ)
f- frequency (Hz)
Figure 1. Large-Signal Open Loop Voltage Gain
Figure 2. Large - Signal Frequency Response
550 500 VCC = 30 TA = 25 C 450 CL = 50pF 400 350 300 250 200 0 0 1.0 2.0 3.0 40 5.0 6.0 Input Output VIN VO 50pF
2.4
ICC -Power Supply current (mA)
2.1 1.8 1.5 1.2 0.9 0.6 0.3 0 0
VCC ICC
@ +
VO -output Voltage (mV)
RF = TA = 25 C
5.0 20 25 30 35 40
VCC, Power Supply Voltage (V)
Figure 3. Small Signal Voltage Follower Pulse Response (Noninverting)
Figure 4. Power Supply Current versus Power Supply Voltage
IIB -Input Bias current (nA)
90
80
70
0
2.0 4.0 6.0 8.0 10 12
14
16 18
20
VCC, Power Supply Voltage (V)
Figure 5. Input Bias Current versus Supply Voltage
5
GM358V1.01
GM358
LOW POWER DUAL OPERATIONAL AMPLIFERS
Application Information
500K e1 R1/c aR1 5K VREF 10K VO e2 R R C C eO = c N (1+a+b) N (e2 - e1) R1/c R R1 bR1 eO R
Fig.1 Wien Bridge Oscillator
R2 VREF VIN VIN VINL = (VOL -VREF) N (R1/(R1+R2)) VINH = (VOH -VREF) N (R1/(R1+R2)) R1 VO
Fig. 2 High Impedance Differential Amplifier
R1 VIN R2
C
R3 C CO = 10C VO
VREF
Fig. 3 Comparator with Hysteresis
VL R2 100 R1 RL
Fig. 4 Multiple Feedback Bandpass Filter
VO VO R3 1K VIN
GM358V1.01
Fig. 5 Current Monitor
Fig. 6 Voltage Follower
6
GM358
LOW POWER DUAL OPERATIONAL AMPLIFERS
Package Outline Dimensions - SO 8
0.189 - 0.197 (4.800 - 5.004)
0.228 - 0.244 (5.791 - 6.198) 0.016 - 0.050 (0.406 - 0.270)
D
0.014 - 0.020 (0.356 - 0.508)
0.050 (1.270) TYP 0.053 - 0.059 (1.346 - 1.753)
0.150 - 0.157 (3.810 - 3.988)
SEATING PLAN
0.004 - 0.010 (0.012 - 0.254)
0.008 - 0.010 (0.203 - 0.254)
8.0 MAX
Package Outline Dimensions - DIP 8
0.250 +/- 0.005 (6.350 +/- 0.127)
0.370 - 0.400 (9.474 - 10.150)
0.06 (1.524) 0.145 - 0.200 (3.683 - 5.080)
0.300 - 0.320 (7.620 - 8.128)
95 +/- 5
0.045 +/- 0.015 (1.143 +/- 0.183) 0.100 +/- 0.010 (2.540 +/- 0.254)
0.108 +/- 0.003 (0.457 +/- 0.076)
7
GM358V1.01
0.125 - 0.140 (3.175 - 3.556)
J
0.009 - 0.010 (0.299 - 0.381)
GM358
LOW POWER DUAL OPERATIONAL AMPLIFERS
Ordering Number
GM
APM Gamma Micro
358
Circuit Type
S8
Package Type S8: SO 8 D8: DIP 8
R
Shipping Type R: Taping & Reel T: Tube
GM358V1.01
88 10 6
1

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