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Philips Semiconductors Linear Products
Product specification
Low power quad operational amplifier
AU2902
DESCRIPTION
The AU2902 consists of four independent, high-gain, internally frequency-compensated operational amplifiers designed specifically to operate from a single power supply over a wide range of voltages.
PIN CONFIGURATION
D and N Packages
OUTPUT 1 1 2 3 4 5 6 7 -+ 2 +- 3 1 -+ 4 +- 14 13 12 11 10 9 8 OUTPUT 4 -INPUT 4 +INPUT 4 GND +INPUT 3 -INPUT 3 OUTPUT 3
UNIQUE FEATURES
In the linear mode, the input common-mode voltage range includes ground and the output voltage can also swing to ground, even though operated from only a single power supply voltage. The unity gain crossover frequency and the input bias current are temperature-compensated.
-INPUT 1 +INPUT 1 V+ +INPUT 2 -INPUT 2 OUTPUT 2
FEATURES
* Internally frequency-compensated for unity gain * Large DC voltage gain: 100dB * Wide bandwidth (unity gain): 1MHz (temperature-compensated) * Wide power supply range Single supply: 3VDC to 30VDC or dual * Very low supply current drain: essentially independent of supply * Low input bias current: 45nADC (temperature-compensated) * Low input offset voltage: 2mVDC and offset current: 5nADC * Differential input voltage range equal to the power supply voltage * Large output voltage: 0VDC to VCC-1.5VDC swing
EQUIVALENT SCHEMATIC
V- 6A 100A 6A Q5 Q6 CC Q7
Top View
supplies: 1.5VDC to 15VDC
voltage (1mW/op amp at +5VDC)
Q2 Q1
Q3
RSC OUTPUT
Q13 INPUT Q10 Q8 Q9 Q12 50A
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853-1634 13721
Philips Semiconductors Linear Products
Product specification
Low power quad operational amplifier
AU2902
ORDERING INFORMATION
DESCRIPTION 14-Pin Plastic Dual In-Line Package (DIP) 14-Pin Plastic Small Outline (SO) Package TEMPERATURE RANGE -40 to +125C -40 to +125C ORDER CODE AU2902N AU2902D DWG # 0405B 0175D
ABSOLUTE MAXIMUM RATINGS
SYMBOL VCC VIN VIN PDMAX Supply voltage Differential input voltage Input voltage Maximum power dissipation, TA=25C(still-air)1 N package D package Output short-circuit to GND one amplifier VCC<15VDC and TA=25C IIN TA TSTG TSOLD Input current (VIN<-0.3V)3 Operating ambient temperature range AU2902 Storage temperature range Lead soldering temperature (10sec max) -40 to +125 -65 to +150 300 C C C 50 mA Continuous 1420 1040 mW mW PARAMETER RATING 32 or 16 32 -0.3 to +32 UNIT VDC VDC VDC
NOTES: 1. Derate above 25C at the following rates: N package at 11.4mW/C D package at 8.3mW/C 2. Short-circuits from the output to VCC+ can cause excessive heating and eventual destruction. The maximum output current is approximately 40mA, independent of the magnitude of VCC. At values of supply voltage in excess of +15VDC continuous short-circuits can exceed the power dissipation ratings and cause eventual destruction. 3. 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 bias clamps. In addition, there is also lateral NPN parasitic transistor action on the IC chip. This action can cause the output voltages of the op amps to go to the V+ rail (or to ground for a large overdrive) during the time that the input is driven negative.
DC ELECTRICAL CHARACTERISTICS
VCC=5V, TA=25C unless otherwise specified. SYMBOL VOS VOS/T IBIAS IBIAS/T IOS IOS/T VCM CMRR VOUT VOH PARAMETER Offset voltage1 Temperature drift Input current2 Temperature drift Offset current Temperature drift Common-mode voltage range3 Common-mode rejection ratio Output voltage swing Output voltage high TEST CONDITIONS RS=0 RS=0, over temp. RS=0, over temp. IIN(+) or IIN(-) IIN(+) or IIN(-), over temp. Over temp. IIN(+)-IIN(-) IIN(+)-IIN(-), over temp. Over temp. VCC30V VCC30V, over temp. VCC=30V RL=2k, VCC=30V, over temp. RL10k, VCC=30V, over temp. 0 0 65 26 27 28 70 10 VCC-1.5 VCC-2 7 45 40 50 5 50 150 250 500 AU2902 Min Typ 2 Max 7 9 UNIT mV V/C nA pA/C nA pA/C V V dB V V
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Philips Semiconductors Linear Products
Product specification
Low power quad operational amplifier
AU2902
DC ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL VOL PARAMETER Output voltage low TEST CONDITIONS RL10k, VCC=5V, over temp. RL=, VCC=30V, over temp. RL=, VCC=5V, over temp. VCC=15V (for large VO swing), RL2k AVOL Large-signal voltage gain VCC=15V (for large VO swing), RL2k, over temp. f=1kHz to 20kHz, input referred RS=0 VIN+=+1V, VIN-=0V, VCC=15V VIN+=+1V, VIN-=0V, VCC=15V, over temp. VIN-=+1V, VIN+=0V, V+=15V Output current Sink ISC VDIFF GBW SR VNOISE Short-circuit current4 Differential input voltage3 Unity gain bandwidth Slew rate Input noise voltage f=1kHz 1 0.3 40 VIN-=+1V, VIN+=0V, VCC=15V, over temp. VIN-=+1V, VIN+=0V, VO=200mV 65 20 10 10 5 12 10 25 AU2902 Min Typ 5 1.5 0.7 100 V/mV 15 Max 20 3 mA 1.2 UNIT mV
ICC
Supply current
Amplifier-to-amplifier coupling5 PSRR Power supply rejection ratio Output current Source IOUT
-120 100 40 20 20 8 50 40 60 VCC
dB dB
mA
A mA V MHz V/s nV/Hz
NOTES: 1. VO 1.4VDC, RS=0 with VCC from 5V to 30V and over full input common-mode range (0VDC+ to VCC -1.5V). 2. 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. 3. The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of the common-mode voltage range is VCC -1.5, but either or both inputs can go to +32V without damage. 4. Short-circuits from the output to VCC can cause excessive heating and eventual destruction. The maximum output current is approximately 40mA independent of the magnitude of VCC. At values of supply voltage in excess of +15VDC, continuous short-circuits can exceed the power dissipation ratings and cause eventual destruction. Destructive dissipation can result from simultaneous shorts on all amplifiers. 5. Due to proximity of external components, insure that coupling is not originating via stray capacitance between these external parts. This typically can be detected as this type of coupling increases at higher frequencies.
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Philips Semiconductors Linear Products
Product specification
Low power quad operational amplifier
AU2902
TYPICAL PERFORMANCE CHARACTERISTICS
Output Characteristics Current Sourcing
8
) V2--OUTPUT VOLTAGE REFERENCED TO V+ DC (V INPUT - CURRENT (mAdc) V+ +V + / 2 + - V2 90 80 70 60 50 40 30 20 10 0 -55 -35 15 5 25 45 65 85 105 125
Supply Current
4 SUPPLY CURRENT DRAIN (mAdc)
Current Limiting
7 6 5 4 3 2
3
2
IO
1
TA
= OC to +125oC
TA
INDEPENDENT OF V+ TA = +25oC
= -55oC
30 40
0 0 10 20 SUPPLY VOLTAGE (VDC)
1 0.001
0.01
0.1
1
10
TEMPERATURE (oC)
IO+ -- OUTPUT SOURCE CURRENT (mA DC)
Voltage Gain
160 VOL -- OUTPUT VOLTAGE (V DC ) AVOL -- VOLTAGE GAIN (dB) 10
Output Characteristics Current Sinking
V+ = +5V V+ = +15V VOLTAGE GAIN (dB) V+ = +30V 1 V+ V+ /2 - 0.1 + VO 20 140 120 100 80 60 40
Open-Loop Frequency Response
V +10M
0.1F
VIN - + VO
RL = 20K 120 RL = 2K 80
V+ /2
V+ = 30 Vdc and -55 oC < TA < +125 oC
40
0
0
10
20
30
40
0.01 0.001
TA = +25oC 0 0.01 0.1 1 10 100 1
V+ = 10 to 15 Vdc and -55 oC < TA < +125 oC 10 100 1K 10K 100K 1M 10M
SUPPLY VOLTAGE (VDC)
IO -- OUTPUT SINK CURRENT (mA DC)
FREQUENCY (Hz)
Large-Signal Frequency Response
20 15VDC +V -- INPUT VOLTAGE ( + V DC ) IN 100K VD -- OUTPUT SWING (Vp-p) 15 VIN 10 0.1F 1K - + 7.5VDC VO 2K 15
Input Voltage Range
90 80 1B -- INPUT CURRENT (nA ) DC 70 60 50 40 30 20 10 0 0 -55
Input Current
VCM = 0 VDC V+ = +30 VDC
10
NEGATIVE
V+ = +15 VDC
POSITIVE 5
5
V+ = +5 VDC
0 1K 10K 100K 1M
0
5
10
-35 -15
5
25
45
65
85 105 125
FREQUENCY (Hz)
V+ or V- -- POWER SUPPLY VOLTAGE (+VDC)
TA -- TEMPERATURE (oC)
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Philips Semiconductors Linear Products
Product specification
Low power quad operational amplifier
AU2902
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
CMRR -- COMMON-MODE REJECTION RATIO (dB)
Common-Mode Rejection Ratio
120 INPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 4
Voltage-Follower Pulse Response
500
RL > V+ = 15 VDC EO-- OUTPUT VOLTAGE (mV) 3 2 1 0 3 2 1 0 0 10 20 TIME (s) 30 40
Voltage-Follower Pulse Response (Small-Signal)
TA = +25oC V+ = +30VDC EO 50pF VIN
100
450
80 +7.5VDC 100K 100 40 VIN
400
60
350
+
100 100K
- +
-7.5 VDC
OUTPUT
INPUT
VO
20
300 250 0 1 2 3 4 5 6 7 8
t -- TIME (S)
0 100
1K
10K
100K
1M
f -- FREQUENCY (Hz)
TYPICAL APPLICATIONS
RF
V+ RIN VIN -8 + 4 RL V+ 2 BLOCKS DC GAIN 10K VO VIN + - V+ 2 V+ V+
10K
V+ 8 VO
10K
V+ 8
VIN 10K
4
+ -
4
VO
R1
RF
Single Supply Inverting Amplifier
Non-Inverting Amplifier
Output Biasing Voltage-Follower
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