OPA141_1 Datasheet, PDF (9/25 Pages) Texas Instruments – Single-Supply, 10MHz, Rail-to-Rail Output,Low-Noise, JFET Amplifier

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OPA141
OPA2141
OPA4141
SBOS510B – MARCH 2010 – REVISED MAY 2010
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, V_S = ±18V, R_L = 2kΩ connected to midsupply, V_CM = V_OUT = midsupply, unless otherwise noted.
COMMON-MODE REJECTION RATIO vs TEMPERATURE
0.1Hz to 10Hz NOISE
0.12
0.10
0.08
0.06
0.04
0.02
0
-75 -50 -25
0 25 50 75
Temperature (°C)
Figure 8.
100 125 150
Time (1s/div)
Figure 9.
INPUT VOLTAGE NOISE DENSITY vs FREQUENCY
100
THD+N RATIO vs FREQUENCY
0.001
V_OUT = 3V_RMS
BW = 80kHz
G = -1
R_L = 2kW
-100
0.0001
-120
10
G = +1
R_L = 2kW
1
0.1
1
10
100
1k
10k
100k
Frequency (Hz)
Figure 10.
THD+N RATIO vs OUTPUT AMPLITUDE
0.01
-80
BW = 80kHz
1kHz Signal
0.001
-100
0.0001
0.00001
0.1
G = -1, R_L = 2kW
G = +1, R_L = 2kW
1
Output Amplitude (V_RMS)
Figure 12.
-120
-140
10 20
0.00001
10
100
1k
Frequency (Hz)
-140
10k 20k
Figure 11.
QUIESCENT CURRENT vs TEMPERATURE
2.5
2.0
1.5
1.0
0.5
0
-75 -50 -25
0 25 50 75
Temperature (°C)
Figure 13.
100 125 150
Copyright © 2010, Texas Instruments Incorporated
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