MB40168 Ver la hoja de datos (PDF) - Fujitsu

Número de pieza

componentes Descripción

Fabricante

MB40168

Single Chip 8-Bit A/D and 9-Bit D/A Converter

Fujitsu 

MB40168/MB40178

s BLOCKDIAGRAM

VINA

ADCLK

VRT

R1

R

VCCD

1

2

VCCA

R

127

R/2

VRM

R/2

128

255 to 8

Encoder

Latch

&

Buffer

R

254

R

255

R2

VRB

VINC

VOUTC

VCLMP

VREF

VRIN

DACLK

≈ 0.6VCCA + 50mV

0.6VCCA

Clamp

Reference

voltage

generator

Reference

resistor

Amp

DD9 (LSB)

9

DD1 (MSB)

Input 9

buffer

Master 9

Slave

register

9

Buffer

9

Current

switch

R-2R Ladder

resistor

network

DGND

AGND

DA1 (MSB)

DA2

DA3

DA4

DA5

DA6

DA7

DA8 (LSB)

COMP

AOUT

5

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