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부품번호 | AU2904 기능 |
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기능 | Low power dual operational amplifier | ||
제조업체 | NXP Semiconductors | ||
로고 | |||
전체 5 페이지수
Philips Semiconductors Linear Products
Low power dual operational amplifier
Product specification
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.
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
supplies: ±1.5VDC to ±15VDC
• Very low supply current drain (400µA): essentially independent of
supply voltage (1mW/op amp at +5VDC)
• 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
PIN CONFIGURATION
D and N Packages
OUTPUT A 1
INVERTING INPUT A 2
NON INV INPUT A 3
V– 4
8 V+
AB
7 OUTPUT B
– + – + – 6 INVERTING INPUT B
5 NON INV INPUT B
Top View
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.
ORDERING INFORMATION
DESCRIPTION
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Small Outline (SO) Package
TEMPERATURE RANGE
-40 to +125°C
-40 to +125°C
ORDER CODE
AU2904N
AU2904D
DWG #
0404B
0174C
EQUIVALENT SCHEMATIC
V+
6µA 100µA
6µA
Q5
Q6
CC
Q7
Q2 Q3
_ Q1
Q4
RSC
OUTPUT
INPUTS
+
Q8
Q9
Q11
Q10 Q12
Q13
50µA
August 31, 1994
154 853-1633 13721
Philips Semiconductors Linear Products
Low power dual operational amplifier
Product specification
AU2904
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current
4
3
2
TA = O°C to +125oC
1
TA = –55oC
0
0 10 20 30 40
SUPPLY VOLTAGE (VDC)
Current Limiting
90
80
70
60
50
40
30
20
10
0
–55 –35 15
5 25 45 65 85 105 125
TEMPERATURE (oC)
Oper–Loop Frequency
Response
140 V + 10M
20
120 0.1µF
100
VIN
–
+
VO 15
V+ /2
80
V+ = 30 Vdc and
10
60 –55 oC < TA < +125 oC
40
V+ = 10 to 15 Vdc and
20 –55 oC < TA < +125
oC
0
1 10
100 1K 10K 100K 1M
10M
FREQUENCY (Hz)
5
0
1K
Large–Signal
Frequency Response
15VDC
100K
0.1µF
1K
VIN
7.5VDC
–
+
VO
2K
10K 100K
FREQUENCY (Hz)
1M
Voltage Gain
160
RL = 20KΩ
120
RL = 2KΩ
80
40
0
0
4
3
2
1
0
3
2
1
0
0
10 20 30
SUPPLY VOLTAGE (VDC)
Voltage–Follower Pulse
Response
40
RL > 2k, V+ = 15 VDC
10 20 30
TIME (µs)
40
Voltage–Follower Pulse
Response (Small–Signal)
500
TA = +25oC
V+ = +30VDC
450 EO
50pF
400 θIN
350
OUTPUT
INPUT
300
250
012 3 4 5 67 8
t — TIME (µS)
Output Characteristics
Current Sourcing
8 V+
7 +V + / 2
6+
V2
5
–
IO
4
INDEPENDENT OF V+
3 TA = +25°C
2
1
0.001 0.01 0.1
1
10 100
IO+ — OUTPUT SOURCE CURRENT (mADC)
Output Characteristics
Current Sinking
10
V+ = +5V
V+ = +15V
V+ = +30V
1
V+ /2
V+
–
IO
0.1
+
VO
0.01
0.001 0.01
0.1
TA = +25oC
1 10
100
IO — OUTPUT SINK CURRENT (mADC)
August 31, 1994
157
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