AD5757 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD5757

Quad Channel, 16-Bit, Serial Input, 4 mA to 20 mA Output DAC, Dynamic Power Control, HART Connectivity

Analog Devices 

AD5757

Data Sheet

DETAILED FUNCTIONAL BLOCK DIAGRAM

AVCC

5.0V

AVDD

AGND +15V

SWA

VBOOST_A

DVDD

DGND

LDAC

CLEAR

SCLK

SDIN

SYNC

SDO

FAULT

ALERT

REFOUT

REFIN

AD1

AD0

POWER-ON

RESET

INPUT

SHIFT

REGISTER

AND

16

CONTROL

STATUS

REGISTER

WATCHDOG

TIMER

(SPI ACTIVITY)

VREF

REFERENCE

BUFFERS

AD5757

INPUT

REG A

+

GAIN REG A

OFFSET REG A

DAC CHANNEL A

DAC CHANNEL B

DAC CHANNEL C

DAC CHANNEL D

DAC 16

REG A

DC-TO-DC

CONVERTER

POWER 7.4V TO 29.5V VSEN1

CONTROL

REG

VSEN2

R2

R3

DAC A

IOUT_A

R1

RSET_A

CHARTA

IOUT_B, IOUT_C, IOUT_D

RSET_B, RSET_C, RSET_D

CHARTB, CHARTC, CHARTD

SWB, SWC, SWD

Figure 2.

VBOOST_B, VBOOST_C, VBOOST_D

Rev. G | Page 4 of 45

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