OPA134 Datasheet, PDF (8/22 Pages) Burr-Brown (TI) – High Performance AUDIO OPERATIONAL AMPLIFIERS TM

OPA134, OPA2134, OPA4134
SBOS058A – DECEMBER 1997 – REVISED OCTOBER 2015
Typical Characteristics (continued)
At T_A = 25°C, V_S = 15 V, R_L = 2 kΩ, unless otherwise noted.
1k
100
Voltage Noise
10
Current Noise
1
1
10
100
1k
10k
100k
1M
Frequency (Hz)
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100
R_S = 20W
10
1
Peak-to-Peak
RMS
0.1
1
10
100
1k
10k
Noise Bandwidth (Hz)
100k
Figure 7. Input Voltage and Current Noise Spectral Density
vs Frequency
160
0
140
120
–45
100
f
80
–90
60
40
–135
20
G
0
–180
–20
0.1 1 10 100 1k 10k 100k 1M 10M
Frequency (Hz)
Figure 8. Input-Referred Noise Voltage vs Noise Bandwidth
50
40
G = +100
30
20
G = +10
10
0
G = +1
–10
–20
1k
10k
100k
1M
10M
Frequency (Hz)
Figure 9. Open-Loop Gain and Phase vs Frequency
120
100
–PSR
80
60
40
+PSR
20
CMR
0
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 11. Power Supply and Common-Mode Rejection vs
Frequency
Figure 10. Closed-Loop Gain vs Frequency
160
R_L = ∞
140
120
Dual and quad devices.
G = 1, all channels.
Quad measured channel
100 _{A to D or B to C—other}
combinations yield improved
rejection.
80
100
1k
R_L = 2kW
10k
Frequency (Hz)
100k
Figure 12. Channel Separation vs Frequency
8
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