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INA781 Datasheet(PDF) 28 Page - Texas Instruments

Part # INA781
Description  INA781 85 V, 20-Bit, Ultra-Precise I2C Output Digital Power Monitor with EZShunt™ Technology
PDF  40 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

INA781 Datasheet(HTML) 28 Page - Texas Instruments

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Table 8-2. INA781 Noise Performance (continued)
ADC CONVERSION TIME
PERIOD [µs]
OUTPUT SAMPLE AVERAGING
[SAMPLES]
OUTPUT SAMPLE PERIOD [ms]
NOISE-FREE ENOB
CURRENT MEASUREMENT
50
64
3.2
13.2
84
5.376
13.6
150
9.6
14.2
280
17.92
14.8
540
34.56
15.7
1052
67.328
15.9
2074
132.736
16.3
4120
263.68
16.4
50
128
6.4
13.6
84
10.752
14.3
150
19.2
14.8
280
35.84
15.5
540
69.12
15.9
1052
134.656
16.1
2074
265.472
16.9
4120
527.36
17.1
50
256
12.8
14.4
84
21.504
14.7
150
38.4
15.4
280
71.68
15.7
540
138.24
16.3
1052
269.312
16.9
2074
530.944
17.4
4120
1054.72
17.7
50
512
25.6
14.4
84
43
15.1
150
76.8
16.0
280
143.36
16.3
540
276.48
16.5
1052
538.624
17.4
2074
1061.888
17.4
4120
2109.44
18.1
50
1024
51.2
15.1
84
86.016
15.5
150
153.6
16.3
280
286.72
16.5
540
552.96
17.1
1052
1077.248
17.4
2074
2123.776
18.1
4120
4218.88
18.7
8.2 Typical Application
The low offset voltage and low input bias current of the INA781 allow accurate monitoring of a wide range of
currents. Figure 8-2 shows a circuit example for monitoring currents in a high-side configuration.
INA781
SBOSAC0 – JULY 2023
www.ti.com
28
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Copyright © 2023 Texas Instruments Incorporated
Product Folder Links: INA781



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