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ADT7318_15 Datasheet, PDF (8/44 Pages) Analog Devices – 0.5C Accurate Digital Temperature Sensor and Quad Voltage Output 12-/10-/8-Bit DACs
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