OPA2211-HT_15 Datasheet, PDF (7/22 Pages) Texas Instruments – 1.1 nV/√Hz Noise, Low Power, Precision Operational Amplifier

OPA2211-HT
www.ti.com
100
SBOS684A – AUGUST 2013 – REVISED AUGUST 2013
TYPICAL CHARACTERISTICS
At T_A = +25°C, V_S = ±18V, and R_L = 10kΩ, unless otherwise noted.
INPUT VOLTAGE NOISE DENSITY
vs FREQUENCY
INPUT CURRENT NOISE DENSITY
vs FREQUENCY
100
10
10
1
0.1
1
10
100
1k
10k
100k
Frequency (Hz)
Figure 2.
1
0.1
1
10
100
1k
10k
100k
Frequency (Hz)
Figure 3.
0.001
THD+N RATIO vs FREQUENCY
V_S = ±15V
R_L = 600W
0.0001
G = -1
V_OUT = 3V_RMS
G = 11
V_OUT = 3V_RMS
G=1
V_OUT = 3V_RMS
-100
-120
0.00001
10
100
1k
Frequency (Hz)
Figure 4.
-140
10k 20k
THD+N RATIO vs OUTPUT VOLTAGE AMPLITUDE
0.1
-60
0.01
0.001
G = 11
-80
-100
0.0001
G=1
0.00001
V_S = ±15V
R_L = 600W
1kHz Signal
0.000001
0.01
0.1
1
G = -1
10
Output Voltage Amplitude (V_RMS)
Figure 5.
-120
-140
-160
100
0.1Hz TO 10Hz NOISE
Time (1s/div)
Figure 6.
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