AD5744R(RevA) 查看數據表（PDF） - Analog Devices

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AD5744R
(Rev.:RevA)

Complete Quad, 14-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC

Analog Devices 

FUNCTIONAL BLOCK DIAGRAM

AD5744R

PGND AVDD AVSS AVDD AVSS

REFOUT

DVCC

DGND

AD5744R

5V

REFERENCE

REFGND

REFAB

REFERENCE

BUFFERS

RSTOUT

VOLTAGE

MONITOR

AND

CONTROL

RSTIN

ISCC

SDIN

SCLK

SYNC

SDO

D0

D1

BIN/2sCOMP

CLR

14

INPUT

SHIFT

REGISTER

AND

CONTROL

LOGIC

INPUT

REG A

GAIN REG A

INPUT

REG B

GAIN REG B

INPUT

REG C

GAIN REG C

INPUT

REG D

GAIN REG D

DAC 14

REG A

DAC A

DAC 14

REG B

DAC B

DAC 14

REG C

DAC C

DAC 14

REG D

DAC D

REFERENCE

BUFFERS

G1

G2

G1

G2

G1

G2

G1

G2

TEMP

SENSOR

VOUTA

AGNDA

VOUTB

AGNDB

VOUTC

AGNDC

VOUTD

AGNDD

LDAC

Figure 1.

REFCD

TEMP

Rev. A | Page 3 of 32

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