HI7190EVAL_ 데이터 시트보기 (PDF) - Intersil

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HI7190EVAL_

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

Intersil 

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

HI7191

Functional Block Diagram

AVDD

TRANSDUCER

BURN-OUT

CURRENT

VINHI

VINLO

PGIA

∑

VCM

VRHI

VRLO

REFERENCE

INPUTS

∑−Δ

MODULATOR

∫ ∑∫

1-BIT

D/A

DIGITAL FILTER

1

CLOCK

GENERATOR

OSC1 OSC2

CONTROL AND SERIAL INTERFACE UNIT

CONTROL REGISTER

SERIAL INTERFACE

UNIT

DRDY RESET SYNC CS MODE

SCLK SDIO SDO

2

FN4138.8

June 1, 2006

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