OP27_06 Datasheet, PDF (8/20 Pages) Analog Devices – Low Noise, Precision Operational Amplifier

OP27
TYPICAL PERFORMANCE CHARACTERISTICS
100
90
80
70
60
50
TEST TIME OF 10sec FURTHER
40 ^{LIMITS LOW FREQUENCY}
(<0.1Hz) GAIN
30
0.01
0.1
1
10
100
FREQUENCY (Hz)
Figure 4. 0.1 Hz to 10 Hz p-p Noise Tester Frequency Response
10
9
8
7
6
5
4
3
I/F CORNER = 2.7Hz
2
T_A = 25°C
V_S = ±15V
1
1
10
100
1k
FREQUENCY (Hz)
Figure 5. Voltage Noise Density vs. Frequency
100
741
I/F CORNER
10
I/F CORNER = 2.7Hz
OP27 I/F CORNER
LOW NOISE
AUDIO OP AMP
INSTRUMENTATION
RANGE TO DC
AUDIO RANGE
TO 20kHz
1
1
10
100
1k
FREQUENCY (Hz)
Figure 6. A Comparison of Op Amp Voltage Noise Spectra
10
T_A = 25°C
V_S = ±15V
1
0.1
0.01
100
1k
10k
BANDWIDTH (Hz)
100k
Figure 7. Input Wideband Voltage Noise vs. Bandwidth (0.1 Hz to Frequency
Indicated)
100
T_A = 25°C
R1
V_S = ±15V
R2
R_S – 2R1
10
AT 10Hz
AT 1kHz
RESISTOR NOISE ONLY
1
100
1k
10k
SOURCE RESISTANCE (Ω)
Figure 8. Total Noise vs. Sourced Resistance
5
V_S = ±15V
4
AT 10Hz
3
AT 1kHz
2
1
–50 –25
0
25
50
75
TEMPERATURE (°C)
100
125
Figure 9. Voltage Noise Density vs. Temperature
Rev. F | Page 8 of 20