ADT7317 データシートの表示（PDF） - Analog Devices

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ADT7317

±0.5°C Accurate Digital Temperature Sensor and Quad Voltage Output 12-/10-/8-Bit DACs

Analog Devices 

ADT7316/ADT7317/ADT7318

FUNCTIONAL BLOCK DIAGRAM

ON-CHIP

TEMPERATURE

SENSOR

INTERNAL TEMPERATURE

VALUE REGISTER

D+ 7

D– 8

ANALOG

MUX

A-TO-D

CONVERTER

VDD

VALUE

REGISTER

VDD

SENSOR

EXTERNAL TEMPERATURE

VALUE REGISTER

ADT7316/

ADT7317/

ADT7318

6

5

VDD

GND

LIMIT

COMPARATOR

STATUS

REGISTERS

ADDRESS POINTER

REGISTER

THIGH LIMIT

REGISTERS

TLOW LIMIT

REGISTERS

VDD LIMIT

REGISTERS

CONTROL CONFIG. 1

REGISTER

CONTROL CONFIG. 2

REGISTER

CONTROL CONFIG. 3

REGISTER

DAC CONFIGURATION

REGISTER

LDAC CONFIGURATION

REGISTER

INTERRUPT MASK

REGISTERS

SMBus/SPI INTERFACE

4

13

12

11

CS SCL/SCLK SDA/DIN DOUT/ADD

Figure 8.

DAC A

REGISTERS

STRING

DAC A

2 VOUT-A

DAC B

REGISTERS

STRING

DAC B

DAC C

REGISTERS

STRING

DAC C

1 VOUT-B

16 VOUT-C

DAC D

REGISTERS

STRING

DAC D

15 VOUT-D

GAIN POWER-

SELECT DOWN

LOGIC LOGIC

10 INT/INT

INTERNAL

REFERENCE

9

3

LDAC VREF-AB

14

VREF-CD

Rev. B | Page 8 of 44

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