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INA3221 Datasheet(PDF) 35 Page - Texas Instruments

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Part # INA3221
Description  Triple-Channel, High-Side Measurement, Shunt and Bus Voltage Monitor with I2C- and SMBUS-Compatible Interface
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

INA3221 Datasheet(HTML) 35 Page - Texas Instruments

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35
INA3221
www.ti.com
SBOS576B – MAY 2012 – REVISED MARCH 2016
Product Folder Links: INA3221
Submit Documentation Feedback
Copyright © 2012–2016, Texas Instruments Incorporated
8.6.2.19 Manufacturer ID Register (address = FEh) [reset = 5449h]
This register contains a factory-programmable identification value that identifies this device as being
manufactured by Texas Instruments. This register distinguishes this device from other devices that are on the
same I2C bus. The contents of this register are 5449h, or TI in ASCII.
Figure 50. Manufacturer ID Register
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
R-0
R-1
R-0
R-1
R-0
R-1
R-0
R-0
R-0
R-1
R-0
R-0
R-1
R-0
R-0
R-1
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 23. Manufacturer ID Register Field Descriptions
Bit
Field
Type
Reset
Description
15-0
D15-0
R
5449h
Manufacturer ID bits
8.6.2.20 Die ID Register (address = FFh) [reset = 3220]
This register contains a factory-programmable identification value that identifies this device as an INA3221. This
register distinguishes this device from other devices that are on the same I2C bus. The Die ID for the INA3221 is
3220h.
Figure 51. Die ID Register
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
R-0
R-0
R-1
R-1
R-0
R-0
R-1
R-0
R-0
R-0
R-1
R-0
R-0
R-0
R-0
R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 24. Die ID Register Field Descriptions
Bit
Field
Type
Reset
Description
15-0
D15-0
R
3220h
Die ID bits


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