AD7172-4BCPZ datasheet(21/61 Pages) AD

Part #	AD7172-4BCPZ

Description	Low Power, 24-Bit, 31.25 kSPS, Sigma-Delta ADC with True Rail-to-Rail Buffers

PDF	61 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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21 / 61 page

Data Sheet

AD7172-4

Rev. A | Page 21 of 61

ADC MODE AND INTERFACE MODE CONFIGURATION

SELECT ADC OPERATING MODE, CLOCK SOURCE,

ENABLE CRC, DATA + STATUS, AND MORE

SETUP CONFIGURATION

8 POSSIBLE ADC SETUPS

SELECT FILTER ORDER, OUTPUT DATA RATE, AND MORE

CHANNEL CONFIGURATION

SELECT POSITIVE AND NEGATIVE INPUT FOR EACH ADC CHANNEL

SELECT ONE OF 8 SETUPS FOR ADC CHANNEL

Figure 45. Suggested ADC Configuration Flow

Table 9. Communications Register

Reg.

Name

Bits

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reset

0x00

COMMS

[7:0]

WEN

R/W

0x00

Table 10. ID Register

Reg.

Name

Bits

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reset

0x07

[15:8]

ID[15:8]

0x205X

[7:0]

ID[7:0]

Table 11. Channel Register 0

Reg.

Name

Bits

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reset

0x10

CH0

[15:8]

CH_EN0

SETUP_SEL0

Reserved

AINPOS0[4:3]

0x8001

[7:0]

AINPOS0[2:0]

AINNEG0

AD7172-4BCPZ Datasheet(PDF) 21 Page - Analog Devices

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