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INA849 Datasheet(PDF) 22 Page - Texas Instruments

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Part # INA849
Description  PGA855 Low-Noise, Wide-Bandwidth, Fully Differential Output Programmable-Gain Instrumentation Amplifier
PDF  28 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

INA849 Datasheet(HTML) 22 Page - Texas Instruments

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Table 9-2. PGA855 and ADS127L11 FFT Data Summary, OSR = 64, Sinc4 Filter
PGA GAIN (V/V)
INPUT AMPLITUDE (VPP)
SNR (dB)
THD (dB)
ENOB (Bits)
0.125
—
—
—
—
0.25
16.011
109.0
–119.3
17.8
0.5
8.006
109.8
–121.2
17.9
1
4.003
109.6
–121.4
17.9
2
2.001
109.6
–121.4
17.9
4
1.001
107.4
–121.4
17.5
8
0.500
104.0
–121.4
17.0
16
0.250
99.1
–117.0
16.2
Table 9-3. PGA855 and ADS127L11 FFT Data Summary, OSR = 64, Wideband Filter
PGA GAIN (V/V)
INPUT AMPLITUDE (VPP)
SNR (dB)
THD (dB)
ENOB (Bits)
0.125
—
—
—
—
0.25
16.011
107.5
–119.0
17.5
0.5
8.006
107.7
–121.2
17.6
1
4.003
107.6
–121.4
17.6
2
2.001
107.0
–121.4
17.5
4
1.001
105.4
–121.4
17.2
8
0.500
101.7
–121.4
16.6
16
0.250
96.7
–117.0
15.8
Frequency (Hz) - FFT
0
20000
40000
60000
80000
100000
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
G = 1 V/V, fIN = 1 kHz, SNR = 109.6 dB, THD = –121.4 dB
Figure 9-2. Performance FFT Plots With
ADS127L11, OSR = 64, Sinc4 Filter
Frequency (Hz) - FFT
0
20000
40000
60000
80000
100000
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
G = 1 V/V, fIN = 1 kHz, SNR = 107.6 dB, THD = –121.4 dB
Figure 9-3. Performance FFT Plots With
ADS127L11, OSR = 64, Wideband Filter
PGA855
SBOSAE0 – APRIL 2023
www.ti.com
22
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Copyright © 2023 Texas Instruments Incorporated
Product Folder Links: PGA855



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