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Philips Semiconductors Linear Products
Product specification
Low power dual operational amplifier
AU2904
DESCRIPTION
The AU2904 consists of two independent, high-gain, internally frequency-compensated operational amplifiers designed specifically to operate from a single power supply over a wide range of voltages. Operation from dual power supplies is also possible, and the low power supply current drain is independent of the magnitude of the power supply voltage.
PIN CONFIGURATION
D and N Packages
OUTPUT A INVERTING INPUT A NON INV INPUT A 1 2 3 4 A -+ B -+ - 8 7 6 5 V+ OUTPUT B INVERTING INPUT B NON INV INPUT B
FEATURES
V-
* 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 (400A): essentially independent of * 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 V+-1.5VDC swing
ORDERING INFORMATION
DESCRIPTION 8-Pin Plastic Dual In-Line Package (DIP) 8-Pin Plastic Small Outline (SO) Package supply voltage (1mW/op amp at +5VDC) supplies: 1.5VDC to 15VDC
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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.
TEMPERATURE RANGE -40 to +125C -40 to +125C
ORDER CODE AU2904N AU2904D
DWG # 0404B 0174C
EQUIVALENT SCHEMATIC
V+ 6A 100A 6A Q5 Q6 CC Q7 Q2 _ RSC Q4 OUTPUT
Q3
Q1
INPUTS + Q10 Q8 Q9
Q11 Q12 50A
Q13
August 31, 1994
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853-1633 13721
Philips Semiconductors Linear Products
Product specification
Low power dual operational amplifier
AU2904
ABSOLUTE MAXIMUM RATINGS
SYMBOL VS VIN PDMAX PARAMETER Supply voltage V+ Differential input voltage Input voltage Maximum power dissipation, TA=25C(still-air)1 N package D package Output short-circuit to GND5 V+<15VDC and TA=25C TA TSTG TSOLD Operating ambient temperature range AU2904 Storage temperature range Lead soldering temperature (10sec max) -40 to +125 -65 to +150 300 C C C Continuous 1160 780 mW mW 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 9.3mW/C D package at 6.2mW/C
DC ELECTRICAL CHARACTERISTICS
TA=25C V+ =+5V, unless otherwise specified. SYMBOL VOS VOS IOS IOS IBIAS IBIAS VCM CMRR VOH PARAMETER Offset voltage1 Drift Offset current Drift Input current2 Drift Common-mode voltage range3 Common-mode rejection ratio Output voltage swing TEST CONDITIONS RS=0 RS=0, over temp. RS=0, over temp. IIN(+)-IIN(-) Over temp. Over temp. IIN(+) or IIN(-) Over temp., IIN(+) or IIN(-) Over temp. V+=30V Over temp., V+=30V V+=30V RL2k, V+=30V, over temp. RL10k, V+=30V, over temp. VOL ICC Output voltage swing Supply current RL10k, Over temp. RL=, V+=30V RL= on all amplifiers, Over temp., V+=30V RL2k, VOUT 10V, AVOL PSRR Large-signal voltage gain Supply voltage rejection ratio Amplifier-to-amplifier coupling4 IOUT Output current source V+=15V Over temp. RS=0 f=1kHz to 20kHz (input referred) VIN+=+1VDC, VIN-=0VDC, V+=15VDC Over temp. 20 10 25 15 65 100 -120 40 20 dB dB mA 100 V/mV 0 0 65 26 V 27 26 5 0.5 0.6 20 1.0 1.2 mV mA mA 70 10 45 40 50 V+-1.5 V+-2.0 250 500 7 5 50 150 AU2904 Min Typ 2 Max 7 9 UNIT mV V/C nA nA pA/C nA pA/C V V dB
August 31, 1994
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Philips Semiconductors Linear Products
Product specification
Low power dual operational amplifier
AU2904
DC ELECTRICAL CHARACTERISTICS (continued)
SYMBOL IOUT PARAMETER Output current Sink VIN-=+1VDC, VIN+=0VDC, V+=15VDC VIN-=+1VDC, VIN+=0VDC, V+=15VDC, over temp. VIN+=0V, VIN-=+1VDC, VO=200mV ISC GBW SR VNOISE Short circuit current5 Differential input voltage3 Unity gain bandwidth Slew rate Input noise voltage TA=25C TA=25C TA=25C f=1kHz 1 0.3 40 10 5 12 20 8 50 40 60 V+ mA mA A mA V MHz V/s nV/Hz TEST CONDITIONS AU2904 Min Typ Max UNIT
NOTES: 1. VO 1.4V, 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 V+-1.5, but either or both inputs can go to +32V without damage. 4. 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. 5. Short-circuits from the output to V+ can cause excessive heating and eventual destruction. The maximum output current is approximately 40mA independent of the magnitude of V+. At values of supply voltage in excess of +15VDC, continuous short-circuits can exceed the power dissipation ratings and cause eventual destruction.
August 31, 1994
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Philips Semiconductors Linear Products
Product specification
Low power dual operational amplifier
AU2904
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current
4 SUPPLY CURRENT DRAIN (mAdc) INPUT - CURRENT (mAdc) 90 80 70 60 50 40 30 20 TA 0 0 10 20 AVOL -- VOLTAGE GAIN (dB) RL = 20K 120 RL = 2K
Current Limiting
160
Voltage Gain
3
2
80
TA 1
= OC to +125oC = -55oC
30 40
40
10 0 -55 -35 15 5 25 45 65 85 105 125 0
SUPPLY VOLTAGE (VDC)
TEMPERATURE (oC)
0
10
20
30
40
SUPPLY VOLTAGE (VDC)
Oper-Loop Frequency Response
140 120 100 80 60 V+ = 30 Vdc and -55 oC < TA < +125 oC VIN V+ /2 V+ 10M - + VD -- OUTPUT SWING (Vp-p)
Large-Signal Frequency Response
0.1F 1K 15 VIN 7.5VDC 10 15VDC 100K - + VO 2K OUTPUT VOLTAGE (V) 20 4 3 2 1 0 INPUT VOLTAGE (V) 3 2 1 0 1K 10K 100K 1M FREQUENCY (Hz)
Voltage-Follower Pulse Response
RL > 2k, V+ = 15 VDC
0.1F
VO
VOLTAGE GAIN (dB)
40 20 0 1 10 100 1K 10K 100K 1M 10M FREQUENCY (Hz) V+ = 10 to 15 Vdc and -55 oC < TA < +125 oC
5
0
0
10
20 TIME (s)
30
40
Voltage-Follower Pulse Response (Small-Signal)
500
TA = +25oC V+ = +30VDC EO 50pF IN V2--OUTPUT VOLTAGE
Output Characteristics Current Sourcing
8
) DC VOL -- OUTPUT VOLTAGE (V DC ) V+ +V + / 2 + - V2 10
Output Characteristics Current Sinking
V+ = +5V V+ = +15V V+ = +30V 1 V+ V+ /2 - 0.1 + VO TA = +25oC 0.01 0.1 1 10 100 IO
EO-- OUTPUT VOLTAGE (mV)
7 6 5 4 3 2 1 0.001
400
REFERENCED TO V+ (V
450
IO
350
OUTPUT
INPUT
INDEPENDENT OF V+ TA = +25C
300 250 0 1 2 3 4 5 6 7 8
t -- TIME (S)
0.01
0.1
1
10
100
0.01 0.001
IO+ -- OUTPUT SOURCE CURRENT (mA DC)
IO -- OUTPUT SINK CURRENT (mA DC)
August 31, 1994
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Philips Semiconductors Linear Products
Product specification
Low power dual operational amplifier
AU2904
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
CMRR -- COMMON-MODE REJECTION RATIO (dB)
Input Voltage Range
15 +VIN-- INPUT VOLTAGE ( + V ) DC 1B -- INPUT CURRENT (nA ) DC 90 80 70 60 50 40 30 20 10 0 0 5 10 0 -55
Input Current
VCM = 0 VDC V+ = +30 VDC
Common-Mode Rejection Ratio
120
100
10
NEGATIVE
80 +7.5VDC 100K 100 40 VIN
V+ = +15 VDC
60
POSITIVE 5
+
100 100K
- +
-7.5 VDC
VO
V+ = +5 VDC
20
-35 -15
5
25
45
65
85 105 125
0 100
1K
10K
100K
1M
V+ or V- -- POWER SUPPLY VOLTAGE (+VDC)
TA -- TEMPERATURE (oC)
f -- FREQUENCY (Hz)
TYPICAL APPLICATIONS
RF
V+ RIN VIN -8 + 4 RL V+ 2 10K V+ V+ 2 VO VIN + - V+
10K
V+ 8
4
VO
10K
V+ 8 VO
VIN
Single Supply Inverting Amplifier
BLOCKS DC GAIN
+ - 10K
4
Output Biasing Voltage-Follower
R1
RF
Non-Inverting Amplifier
August 31, 1994
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