Datasheet > ADS131B24-Q1

ADS131B24-Q1

更新时间： 2024-04-09 19:03:23

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德州仪器 - TI		/
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描述
汽车级、24 位、64kSPS、四通道同步采样 Δ-Σ ADC

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ADS131B24-Q1 数据手册

ADS131B24-Q1

ZHCSN80 – JULY 2023

www.ti.com.cn

6 Pin Configuration and Functions

V1A

V0A

DCAP

DGND

IOVDD

GPIO0/MHD

CLK

GPIO0A

GPIO1A

CPA

CNA

CSn

Thermal

Pad

GPIO1B

GPIO0B

CNB

SDI

SDO

SCLK

CPB

DRDYn

GPIO1

GPIO2/FAULT

V0B

V1B

Not to scale

图 6-1. PHP Package, 48-Pin HTQFP (Top View)

表 6-1. Pin Functions

TYPE

DESCRIPTION⁽¹⁾

NAME

AGND

NO.

Analog supply

Analog ground.

AGND

Analog ground.

AGNDA

AGNDB

APWR

Section A analog ground. Connect to AGND.

Section B analog ground. Connect to AGND.

Analog power supply. Connect a 1-μF capacitor to AGND.

Analog supply. Connect a 1-μF capacitor to AGND.

Sets the logic levels for GPIO0A, GPIO1A, GPIO0B, and GPIO1B.

AVDD

Analog supply

CLK

Digital I/O

Analog input

Digital input

Digital supply

Digital output

Main clock input.⁽⁴⁾

CNA

ADC1A negative analog input.

CNB

ADC1B negative analog input.

CPA

ADC1A positive analog input.

CPB

ADC1B positive analog input.

CSn

Chip-select input; active low. Internal pullup resistor to IOVDD.⁽⁴⁾

DVDD LDO output. Connect a 220-nF capacitor to DGND.

Digital ground.

DCAP

DGND

DPWR

DRDYn

Digital power supply. Connect a 1-μF capacitor to DGND.

Data-ready output; active low.^{(2) (4)}

English Data Sheet: SBASAA4

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