TC3401VPETR 查看數據表（PDF） - Microchip Technology

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TC3401VPETR

16-Bit Low Cost, Low Power Sigma-Delta A/D Converter

Microchip Technology 

TC3401

Typical Application

VBATT

+

Input 1 –

+

Input 2 –

VBATT

R1

130k

R2

110k

C1

0.1µF

R3

390

±10%

VDD

IN1+ ENABLE

IN1-

SDAT

IN2+

IN2-

SCLK

ADDR

VBATT

TC3401

R6

VTH

100k

RESET

VBATT

VCC

I/01

I/02

I/03

µ

Controller

RST

R7

100k

REFIN

PFO

I/04

REFOUT

PFI

I/05

VBATT

R4

1MΩ

C2

10µF

Functional Block Diagram

IN1+

IN1-

IN2+

IN2-

TC3401

+

–

1 of 2

+

AMux

–

VDD

1.193V

x2

Σ – ∆ Data

Modulator Shift

Reg.

ADDR

SET

DQ

CLR Start

Conv.

Clock

Generator

and Control

Circuitry

VTH

–

+

1.23V

PFI

–

+

1.23V

Reset Delay

Timer

GND

DS21410B-page 2

REFOUT

REFIN

SDAT

SCLK

ENABLE

RESET

PFO

© 2002 Microchip Technology Inc.

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