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| OPA211 Datasheet, PDF (6/37 Pages) Texas Instruments – 1.1nV/Noise, Low Power, Precision Operational Amplifier in Tiny DFN-8 Package | |||
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OPA211
OPA2211
SBOS377G â OCTOBER 2006 â REVISED MAY 2009...................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS
At TA = +25°C, VS = ±18V, and RL = 10kâ¦, unless otherwise noted.
INPUT VOLTAGE NOISE DENSITY
vs FREQUENCY
100
INPUT CURRENT NOISE DENSITY
vs FREQUENCY
100
10
10
1
0.1
1
10
100
1k
10k
Frequency (Hz)
Figure 1.
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
10
100
1k
Frequency (Hz)
Figure 3.
-140
10k 20k
0.001
THD+N RATIO vs FREQUENCY
VS = ±15V
VOUT = 3VRMS
Measurement BW > 500kHz
-100
0.0001
G = 11
RL = 600W
-120
0.00001
10
G=1
RL = 600W
G = -1
RL = 5kW
100
1k
10k
Frequency (Hz)
Figure 5.
-140
100k
1
0.1
1
10
100
1k
10k
100k
Frequency (Hz)
Figure 2.
THD+N RATIO vs OUTPUT VOLTAGE AMPLITUDE
0.1
-60
0.01
0.001
G = 11
-80
-100
0.0001
VS = ±15V
0.00001 RL = 600W
G=1
1kHz Signal
Measurement BW = 80kHz
0.000001
0.01
0.1
1
G = -1
10
Output Voltage Amplitude (VRMS)
Figure 4.
-120
-140
-160
100
-80
-90
-100
-110
CHANNEL SEPARATION vs FREQUENCY
VS = ±15V
VIN = 3.5VRMS
G=1
RL = 600W
-120
-130
-140
-150
RL = 2kW
-160
-170
RL = 5kW
-180
10
100
1k
10k
Frequency (Hz)
Figure 6.
100k
6
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Copyright © 2006â2009, Texas Instruments Incorporated
Product Folder Link(s): OPA211 OPA2211
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