Datasheet

ADT7316/ADT7317/ADT7318
Rev. B | Page 8 of 44
FUNCTIONAL BLOCK DIAGRAM
V
DD
VALUE
REGISTER
EXTERNAL TEMPERATURE
VALUE REGISTER
A-TO-D
CONVERTER
INTERNAL TEMPERATURE
VALUE REGISTER
ON-CHIP
TEMPERATURE
SENSOR
ANALOG
MUX
D
IG
IT
A
L
M
U
X
LIMIT
COMPARATOR
D
IG
IT
A
L
M
U
X
DAC A
REGISTERS
DAC B
REGISTERS
DAC C
REGISTERS
DAC D
REGISTERS
GAIN
SELECT
LOGIC
POWER-
DOWN
LOGIC
D+
D–
SMBus/SPI INTERFACE
CS SCL/SCLK SDA/DIN DOUT/ADD
INT/INT
STATUS
REGISTERS
V
DD
SENSOR
V
DD
GND
INTERNAL
REFERENCE
V
REF
-AB V
REF
-CDLDAC
7
8
6 5
4 13 12 11
9 3 14
10
V
OUT
-D
15
V
OUT
-C
16
V
OUT
-B
1
V
OUT
-A
2
STRING
DAC A
STRING
DAC B
STRING
DAC C
STRING
DAC D
ADT7316/
ADT7317/
ADT7318
ADDRESS POINTER
REGISTER
T
HIGH
LIMIT
REGISTERS
T
LOW
LIMIT
REGISTERS
V
DD
LIMIT
REGISTERS
CONTROL CONFIG. 1
REGISTER
CONTROL CONFIG. 3
REGISTER
CONTROL CONFIG. 2
REGISTER
DAC CONFIGURATION
REGISTER
LDAC CONFIGURATION
REGISTER
INTERRUPT MASK
REGISTERS
02661-001
Figure 8.