HI7191 データシートの表示（PDF） - Renesas Electronics

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HI7191

24-Bit, High Precision, Sigma Delta A/D Converter

Renesas Electronics 

HI7191

Pinout

HI7191 (PDIP, SOIC)

TOP VIEW

SCLK 1

SDO 2

SDIO 3

CS 4

DRDY 5

DGND 6

AVSS 7

VRLO 8

VRHI 9

VCM 10

20 MODE

19 SYNC

18 RESET

17 OSC1

16 OSC2

15 DVDD

14 AGND

13 AVDD

12 VINHI

11 VINLO

Functional Block Diagram

AVDD

TRANSDUCER

BURN-OUT

CURRENT

VINHI

VINLO

PGIA



VCM

CLOCK

GENERATOR

OSC1 OSC2

VRHI

VRLO

REFERENCE

INPUTS



MODULATOR



1-BIT

D/A

DIGITAL FILTER

1

CONTROL AND SERIAL INTERFACE UNIT

CONTROL REGISTER

SERIAL INTERFACE

UNIT

DRDY RESET SYNC CS MODE

SCLK SDIO SDO

FN4138 Rev 8.00

June 1, 2006

Page 2 of 25

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