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| OPA211-EP_15 Datasheet, PDF (7/26 Pages) Texas Instruments – 1.1nV/√Hz NOISE, LOW POWER, PRECISION OPERATIONAL AMPLIFIER | |||
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7 TYPICAL CHARACTERISTICS
At TA = +25°C, VS = ±18V, and RL = 10kâ¦, unless otherwise noted.
INPUT VOLTAGE NOISE DENSITY
vs FREQUENCY
100
100
OPA211-EP
SBOS638 â JUNE 2012
INPUT CURRENT NOISE DENSITY
vs FREQUENCY
10
10
1
0.1
1
10
100
1k
10k
Frequency (Hz)
Figure 2.
0.001
THD+N RATIO vs FREQUENCY
VS = 15V
VOUT = 3VRMS
Measurement BW = 80kHz
100k
-100
0.0001
G=1
RL = 600W
G = 11
RL = 600W
-120
G= 1
RL = 5kW
0.00001
-140
10
100
1k
10k 20k
Frequency (Hz)
Figure 4.
THD+N RATIO vs FREQUENCY
0.001
VS = ±15V
-100
VIN = 3.5VRMS
Measurement BW > 500kHz
0.0001
G = 11
RL = 600W
-120
0.00001
10
G=1
RL = 600W
G= 1
RL = 5kW
100
1k
10k
Frequency (Hz)
Figure 6.
-140
100k
1
0.1
1
10
100
1k
10k
100k
Frequency (Hz)
Figure 3.
THD+N RATIO vs OUTPUT VOLTAGE AMPLITUDE
0.1
-60
0.01
0.001
G = 11
-80
-100
0.0001
-120
0.00001
VS = ±15V G = 1
RL = 600W
1kHz Signal
Measurement BW = 80kHz
0.000001
0.01
0.1
1
-140
G = -1
10
-160
100
Output Voltage Amplitude (VRMS)
Figure 5.
CHANNEL SEPARATION vs FREQUENCY
-80
VS = ±15V
-90 VIN = 3.5VRMS
-100 G = 1
-110
RL = 600W
-120
-130
-140
-150
RL = 2kW
-160
-170
RL = 5kW
-180
10
100
1k
10k
100k
Frequency (Hz)
Figure 7.
Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: OPA211-EP
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