參數(shù)資料
型號(hào): OP27
廠(chǎng)商: Analog Devices, Inc.
英文描述: Low-Noise, Precision Operational Amplifier
中文描述: 低噪聲,精密運(yùn)算放大器
文件頁(yè)數(shù): 8/16頁(yè)
文件大?。?/td> 370K
代理商: OP27
REV. A
OP27
–8–
FREQUENCY
Hz
G
100
0.01
90
80
70
60
50
0.1
1
10
100
40
30
TEST TIME OF 10sec FURTHER
LIMITS LOW FREQUENCY
(<0.1Hz) GAIN
TPC 1. 0.1 Hz to 10 Hz
p-p
Noise Tester
Frequency Response
BANDWIDTH
Hz
R
10
100k
1
0.1
0.01
100
1k
10k
T
A
= 25 C
V
S
= 15V
TPC 4. Input Wideband Voltage
Noise vs. Bandwidth (0.1 Hz to
Frequency Indicated)
TOTAL SUPPLY VOLTAGE (V+
V
)
V
V
5
4
10
10
40
20
30
3
2
T
A
= 25 C
AT 10Hz
AT 1kHz
TPC 7. Voltage Noise Density vs.
Supply Voltage
Typical Performance Characteristics
FREQUENCY
Hz
10
1
T
A
= 25 C
V
S
= 15V
9
8
7
6
5
4
3
2
1
10
100
1k
V
I/F CORNER = 2.7Hz
TPC 2. Voltage Noise Density vs.
Frequency
SOURCE RESISTANCE
100
1
100
10k
1k
T
10
T
A
= 25 C
V
S
= 15V
R2
R1
R
S
2R1
AT 1kHz
AT 10Hz
RESISTOR NOISE ONLY
TPC 5. Total Noise vs. Sourced
Resistance
FREQUENCY
Hz
C
10.0
0.1
10
10k
1.0
100
1k
I/F CORNER = 140Hz
TPC 8. Current Noise Density vs.
Frequency
FREQUENCY
Hz
100
1
1
10
100
1k
V
10
LOW NOISE
AUDIO OP AMP
INSTRUMENTATION
RANGE TO DC
AUDIO RANGE
TO 20kHz
I/F CORNER
741
OP27
I/F CORNER
I/F CORNER =
2.7Hz
TPC 3. A Comparison of Op Amp
Voltage Noise Spectra
TEMPERATURE
C
V
5
50
25
0
25
50
75
100
125
4
3
2
1
AT 10Hz
AT 1kHz
V
S
= 15V
TPC 6. Voltage Noise Density vs.
Temperature
TOTAL SUPPLY VOLTAGE
V
S
5.0
5
T
A
= +125 C
4.0
3.0
2.0
1.0
15
25
35
45
T
A
= +25 C
T
A
=
55 C
TPC 9. Supply Current vs. Supply
Voltage
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