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Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS General Description
The AZ358 consists of two independent, high gain and internally frequency compensated operational amplifiers, it is specifically designed to operate from a single power supply. Operation from split power supply is also possible and the low power supply current drain is independent of the magnitude of the power supply voltages.
Features
* * * * * * Internally frequency compensation Large voltage gain Low input bias current Low input offset voltage Large output voltage swing Wide power supply voltage range: Single supply 3V to 18V or dual supplies 1.5V to 9V Low supply current drain: 500uA Compatible with industry standard 358
* *
Applications
* * * Battery Charger Cordless Telephone Switching Power Supply
DIP-8
SOIC-8
Figure 1. Package Types of AZ358
Pin Configuration
M Package/P Package (SOIC-8/DIP-8)
OUTPUT 1 INPUT 1INPUT 1+ GND 1 2 3 4 8 7 6 5 Vcc OUTPUT 2 INPUT 2INPUT 2+
Top View Figure 2. Pin Configuration of AZ358
Issue Date: Jan. 2003
1
Rev. 1.0
Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS Functional Block Diagram
6uA
4uA
100uA
Q5 Q6 Q2 INPUTS + Q10 Q8 Q9 Q1 Q3 Q4 Cc Q7 Rsc
Q11 Q12 50uA
OUTPUT Q13
Figure 3. Functional Block Diagram of AZ358 (Each Amplifier)
Ordering Information
Package SOIC-8 DIP-8 Temperature Range -40 oC~85 oC Part Number AZ358M AZ358P Packing Type Tube/Reel Tube
Issue Date: Jan. 2003
2
Rev. 1.0
Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS Absolute Maximum Ratings (Note 1)
(Operation temperature range applies unless otherwise specified.) Parameter Power Supply Voltage Differential Input Voltage Input Voltage Input Current (VIN<-0.3V) (Note 2) Output Short-Circuit to Ground (One Amplifier) (Note 3) VCC 12V an TA = 25oC Power Dissipation Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering, 10 Seconds) ESD (Machine Mode) PD TOP TSTG Symbol VCC VID VIC IIN Value 20 20 -0.3 to 20 50 Continuous DIP-8 SOIC-8 -40 to 85 -65 to 150 260 200 830 550
Unit V V V mA
mW
o o o
C C C
V
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operation Ratings" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Note 2: This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNP transistors becoming forward biased and thereby acting as input diode clamps. In addition to this diode action, there is also lateral NPN parasitic transistor action on the IC chip. This transistor action can cause the output voltages of the op amps to go to the VCC voltage level (or to ground for a large overdrive) for the time duration that an input is driven negative. This is not destructive and normal output states will re-establish when the input voltage, which was negative, again returns to a value greater than -0.3V (at 25oC) Note 3: Short circuits from the output to VCC can cause excessive heating and eventual destruction. When considering short circuits to ground, the maximum output current is approximately 40mA independent of the magnitude of VCC. At values of supply voltage in excess of +12V, continuous short-circuits can exceed the power dissipation ratings and cause eventual destruction. Destructive dissipation can result from simultaneous shorts on all amplifiers.
Issue Date: Jan. 2003
3
Rev. 1.0
Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS Electrical Characteristics
Vcc=5V, GND=0, TA=25oC unless otherwise specified.
Parameter Input Offset Voltage Input Bias Current (Note 4) Input Offset Current Input Common Mode Voltage Range (Note 5) Supply Current Symbol VIO IBIAS IIO VIR Test Conditions Vo:1.4V,RS: 0,VCC: 5V to 15V IIN+ or IIN-, VCM=0V IIN+ or IIN-, VCM=0V VCC=15V RL=, Over full VCC=15V temperature range on all OP VCC=5V Amps VCC=15V, RL2, V0=1V to 11V VCM=0V to (VCC-1.5)V VCC=5V to 15V f=1KHz to 20KHz V+=1V,V-=0V, VCC=15V,V0=2V V+=0V,V-=1V, VCC=15V, V0=2V V+=0V,V-=1V, VCC=15V,V0=200mV VCC=15V VCC=15V, RL=2K VCC=15V, RL=10K VCC=5V, RL=10K 12 12.5 13.5 5 20 20 10 12 80 70 70 0 0.7 0.5 90 90 90 -120 45 20 50 45 60 Min. Typ. 2 20 5 Max. 5 200 50
Unit mV nA nA V
VCC-1.5 1.5 1.2
ICC
mA
Large Signal Voltage Gain Common Mode Rejection Ratio Power Supply Rejection Ration Channel Separation (Note 6) Source Output Current Sink
GV CMRR PSRR CS ISOURCE
dB dB dB dB mA mA uA mA
ISINK
Short Circuit to Ground
ISC
Output Voltage Swing
VOH VOL
V mV
Note 4: The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of the output so no loading change exists on the input lines. Note 5: The input common-mode voltage of either input signal voltage should not be allowed to go negatively by more than 0.3V (at 25oC). The upper end of the common-mode voltage range is VCC - 1.5V (at 25oC), but either or both inputs can go to +18V without damages, independent of the magnitude of the VCC. Note 6: Due to proximity of external components, insure that coupling is not originating via stray capacitors between these external parts. This typically can be detected as this type of capacitance increases at higher frequencies. Issue Date: Jan. 2003
4
Rev. 1.0
Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS Typical Characteristics
8
30
VIN - INPUT VOLTAGE (VDC)
7 6
IB - INPUT CURRENT (nADC)
25
NEGATIVE
5 4
20
VCC=15V
15
POSITIVE
3 2 1 0
10
5
0
2
4
6
8
0 -40
-20
0
20
40
60
80
100
120
VCC - POWER SUPPLY VOLTAGE (VDC)
TA - TEMPERATURE (oC)
Figure 4. Input Voltage Range
Figure 5. Input Current
ID - SUPPLY CURRENT DRAIN (mADC)
4.0 3.5 3.0
mA
120
A
ID
AVOL - VOLTAGE GAIN (dB)
VCC
110
100
2.5 2.0 1.5 1.0 0.5 0.0
90
RL=2K RL=20K
80
TA:0 C TO 85 C
o
o
70
60
0
2
4
6
8
10
12
14
16
18
20
0
2
4
6
8
10
12
14
16
18
20
VCC - POWER SUPPLY VOLTAGE (VDC)
VCC - POWER SUPPLY VOLTAGE (V)
Figure 6. Supply Current
Figure 7. Voltage Gain
VOUT - OUTPUT VOLTAGE (V)
3 2 1 0 3
110 100
VCC =15V RL = 2K
VCC: 10V TO 15VDC TA: -40 C TO 85 C
o
o
AVOL - VOLTAGE GAIN (dB)
90 80 70 60
40 30 20 10 0 1HZ
VIN
0.1uF
VCC VO VCC/2
VIN - INPUT VOLTAGE (V)
10kHZ 100kHZ 1MHZ
50
R 10M
2 1 0
10HZ
100HZ
1kHZ
0
10
20
30
40
50
f - FREQUENCY (Hz)
t - TIME (uS)
Figure 8. Open Loop Frequency Response
Figure 9. Voltage Follower Pulse Response
Issue Date: Jan. 2003
5
Rev. 1.0
Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS Typical Characteristics (Continued)
600
VOUT - OUTPUT VOLTAGE (mV)
550 500 450 400 350 300 250
TA = 25oC VCC = 15V
VIN 50pF
VOUT
20
VO - OUTPUT SWING (VP-P)
R 100K +15 VDC
R 1K
15
VIN +7VDC
VO
Input Output
R 2K
10
5
0
10
20
30
40
50
0 1K
10K
100K
1000K
t - TIME (uS)
f - FREQUENCY (Hz)
Figure 10. Voltage Follower Pulse Response (Small Signal)
Figure 11. Large Signal Frequency Response
8
10
VO - OUTPUT VOLTAGE REFERENCE TO VCC (VDC)
7 6 5
VCC
VO - OUTPUT VOLTAGE (VDC)
TA = 25 C
o
VCC/2
VO
1
IO
4 3 2 1 1E-3
VCC = 5V
0.1
V CC = 15V
VCC
INDEPENDENT OF VCC TA = 25 C
o
VCC/2
IO
Vo
0.01
0.1
1
10
100
0.01 1E-3
0.01
0.1
1
10
100
IO - OUTPUT SOURCE CURRENT (mADC)
IO - OUTPUT SINK CURRENT (mADC)
Figure 12. Output Characteristics Current Sourcing
Figure 13. Output Characteristics Current Sinking
100
IO - OUTPUT CURRENT (mADC)
90 80 70 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80
IO
TA - TEMPERATURE (oC)
Figure 14. Current Limiting
Issue Date: Jan. 2003
6
Rev. 1.0
Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS Typical Application
R1
Opto Isolator
+
VCC Battery Pack
1/2 AZ358 AC Line SMPS GND
R6 R4 R5
R3
R7
Current R2 Sense
-
VCC
1/2 AZ358 + AZ431 R8 GND
Figure 15. Battery Charger
R1 910K R2 100K R3 91K VIN(+) 1/2 AZ358 + VO RL
+V3 +V4 +V1
R1 100K + R2 100K R3 100K R5 100K 1/2 AZ358 R6 100K R4 100K VO
VCC
+V2
Figure 16. Power Amplifier
Figure 17. DC Summing Amplifier
Issue Date: Jan. 2003
7
Rev. 1.0
Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS Typical Application (Continued)
R1 100K C1 0.1uF
R2 1M
VCC + 2V VO RB 6.2K RL 10K
1/2 AZ358 + R3 51K R4 51K VCC R5 51K
CO
R3 2K
+ 2V -
R1 2K
R2
1/2 AZ358 + R4 3K I1 1mA I2
AC
AV=1+R2/R1 AV=11 (As shown)
Figure 18. AC Coupled Non-Inverting Amplifier
Figure 19. Fixed Current Sources
R1
1M
C1 0.01uF
0.001uF
R2 100K 1/2 AZ358 + VO
R1 16K VIN C2 0.01uF R2 16K + 1/2 AZ358 R3 100k
R3 100K VCC R4 100 K
R5 100K
V0 0 f0 R4 100k
fo=1KHz Q=1 AV=2
Figure 20. Pulse Generator
Figure 21. DC Coupled Low-Pass Active Filter
Issue Date: Jan. 2003
8
Rev. 1.0
Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS Mechanical Dimensions DIP-8
9.20.10
6
6
7.620.25 5 1.460.31
3.300.30 0.7
4
4
3x0.150.05
0.254 0.457
2.54 10.0MAX
0.280.07
0.13MIN
R0.75
Issue Date: Jan. 2003
6.600.50
9
Rev. 1.0
Advanced Analog Circuits
Data Sheet AZ358
LOW POWER DUAL OPERATIONAL AMPLIFIERS Mechanical Dimensions (Continued) SOIC-8
1.550.20
4.90.10
7
0.220.03
0.32
8
0.700.025
8
D
7
0.20.10
6.000.20
D
20:1
0.8
4 4
3.900.10
1.00
0.90
R0.15
R0.15
0.420.09
3 2
Issue Date: Jan. 2003
0.20
10
Rev. 1.0
Advanced Analog Circuits
http://www.aacmicro.com
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IMPORTANT NOTICE
Tel: 408-433-9888Fax: 408-432-9888 Tel: 86-21-6495-9539, Fax: 86-21-6485-9673 Tel: 886-2-2657-8811, Fax: 886-2-2657-9090
Advanced Analog Circuits Corporation reserves the right to make changes to its products or specifications at any time, without notice, to improve design or performance and to supply the best possible product. Advanced Analog Circuits does not assume any responsibility for use of any circuitry described other than the circuitry embodied in Advanced Analog Circuits' products. The company makes no representation that circuitry described herein is free from patent infringement or other rights of Advanced Analog Circuits Corporation.

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