ADT7517(RevA) 데이터 시트보기 (PDF) - Analog Devices

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ADT7517
(Rev.:RevA)

SPI/I2C Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output DAC

Analog Devices 

ADT7516/ADT7517/ADT7519

FUNCTIONAL BLOCK DIAGRAM

ON-CHIP

TEMPERATURE

SENSOR

D+/AIN1 7

D–/AIN2 8

LDAC/AIN3 9

AIN4 14

ANALOG

MUX

VDD

SENSOR

INTERNAL

TEMPERATURE

VALUE REGISTER

EXTERNAL

TEMPERATURE

VALUE REGISTER

A-TO-D

CONVERTER

VDD

VALUE REGISTER

AIN1

VALUE REGISTER

AIN2

VALUE REGISTER

AIN3

VALUE REGISTER

AIN4

VALUE REGISTER

6

VDD

5

GND

LIMIT

COMPARATOR

STATUS

REGISTERS

ADDRESS POINTER

REGISTER

THIGH LIMIT

REGISTERS

TLOW LIMIT

REGISTERS

VCC LIMIT

REGISTERS

AINHIGH LIMIT

REGISTERS

AINLOW LIMIT

REGISTERS

CONTROL CONFIG. 1

REGISTER

CONTROL CONFIG. 2

REGISTER

CONTROL CONFIG. 3

REGISTER

DAC CONFIGURATION

REGISTERS

LDAC CONFIGURATION

REGISTERS

INTERRUPT MASK

REGISTERS

SPI/SMBus INTERFACE

4

13

12

11

CS SCL

SDA ADD

Figure 6.

ADT7516/ADT7517/ADT7519

DAC A

STRING

REGISTERS DAC A

2 VOUT-A

DAC B

STRING

REGISTERS DAC B

1 VOUT-B

DAC C

STRING

REGISTERS DAC C

16 VOUT-C

DAC D

STRING

REGISTERS DAC D

15 VOUT-D

GAIN

SELECT

LOGIC

POWER-

DOWN

LOGIC

10 INT/INT

INTERNAL

REFERENCE

9

3

LDAC/AIN3 VREF-IN

Rev. A | Page 8 of 44

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