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OPA2140AIDR Datasheet(PDF) 10 Page - Texas Instruments

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Part # OPA2140AIDR
Description  OPAx140 High-Precision, Low-Noise, Rail-to-Rail Output, 11-MHz, JFET Op Amp
PDF  48 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

OPA2140AIDR Datasheet(HTML) 10 Page - Texas Instruments

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6.8 Typical Characteristics (continued)
at TA = 25°C, VS = ±18 V, RL = 2 kΩ connected to midsupply, and VCM = VOUT = midsupply (unless otherwise noted)
180
160
140
120
100
80
60
40
20
0
1
10
100
1k
10k
100k
1M
10M
100M
Frequency (Hz)
CMRR
+PSRR
-PSRR
Figure 6-7. CMRR and PSRR vs Frequency (Referred to Input)
0.12
0.10
0.08
0.06
0.04
0.02
0
-50
-25
-75
0
25
50
75
100
125
150
Temperature( C)
°
Figure 6-8. Common-Mode Rejection Ratio vs Temperature
Time (1s/div)
Figure 6-9. 0.1-Hz to 10-Hz Noise
0.1
Frequency(Hz)
100k
10
1
100
1k
10k
100
10
1
Figure 6-10. Input Voltage Noise Density vs Frequency
0.001
0.0001
0.00001
-100
-
-
120
140
10
100
1k
10k 20k
Frequency (Hz)
G = +1
G = -1
V
= 3V
BW = 80kHz
OUT
RMS
R = 2k
L
W
Figure 6-11. THD+N Ratio vs Frequency
0.01
0.001
0.0001
0.00001
0.1
1
10
100
Output Amplitude (V
)
RMS
-
-
-
80
100
120
140
-
BW = 80kHz
R = 2k
1kHz Signal
L
W
G = 1
-
G = +1
NOTE: Increase at low signal levels is a
of increased % contribution of noise.
result
Figure 6-12. THD+N Ratio vs Output Amplitude
OPA140, OPA2140, OPA4140
SBOS498E – JULY 2010 – REVISED JULY 2021
www.ti.com
10
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: OPA140 OPA2140 OPA4140



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