8-Channel, 16-/14-Bit,
Serial Input, Voltage Output DAC
AD5362/AD5363
FEATURES
8-channel DAC in 52-lead LQFP and 56-lead LFCSP packages
Guaranteed monotonic to 16/14 bits
Nominal output voltage range of −10 V to +10 V
Multiple output voltage spans available
Thermal shutdown function
2.5 V to 5.5 V digital interface
Digital reset (RESET)
Clear function to user-defined SIGGNDx
Simultaneous update of DAC outputs
APPLICATIONS
Channel monitoring multiplexer
GPIO function
Instrumentation
Industrial control systems
Level setting in automatic test equipment (ATE)
Variable optical attenuators (VOA)
Optical line cards
System calibration function allowing user-programmable
offset and gain
Channel grouping and addressing features
Data error checking feature
SPI-compatible serial interface
FUNCTIONAL BLOCK DIAGRAM
DV
V
V
SS
CC
AGND DGND
LDAC
DD
TEMP
TEMP_OUT
PEC
VREF0
SENSOR
n = 16 FOR AD5362
n = 14 FOR AD5363
GROUP 0
BUFFER
8
CONTROL
REGISTER
14
n
14
n
OFFSET
DAC 0
OFS0
REGISTER
8
8
TO
VOUT0 TO
VOUT7
A/B SELECT
REGISTER
MON_IN0
MON_IN1
MUX 2s
BUFFER
6
OUTPUT BUFFER
AND POWER-
DOWN CONTROL
VOUT0
VOUT1
n
X2A REGISTER
X2B REGISTER
DAC 0
REGISTER
A/B
MUX
n
MUX
n
MUX
2
DAC 0
X1 REGISTER
n
n
n
M REGISTER
MON_OUT
n
·
·
·
·
·
·
·
·
·
·
·
·
C REGISTER
2
GPIO
REGISTER
GPIO
·
·
·
·
·
·
·
·
·
·
·
·
VOUT2
BIN/2SCOMP
OUTPUT BUFFER
AND POWER-
DOWN CONTROL
n
n
n
X2A REGISTER
X2B REGISTER
VOUT3
DAC 3
REGISTER
A/B
MUX
n
n
MUX
2
DAC 3
X1 REGISTER
SYNC
SDI
SIGGND0
n
n
n
n
M REGISTER
C REGISTER
SERIAL
INTERFACE
SCLK
SDO
VREF1
VOUT4
GROUP 1
BUFFER
14
n
n
n
OFFSET
DAC 1
OFS1
REGISTER
BUSY
8
n
8
n
TO
MUX 2s
A/B SELECT
REGISTER
BUFFER
RESET
CLR
OUTPUT BUFFER
AND POWER-
DOWN CONTROL
n
X2A REGISTER
X2B REGISTER
DAC 4
REGISTER
A/B
MUX
MUX
2
DAC 4
X1 REGISTER
n
n
n
n
M REGISTER
C REGISTER
VOUT5
VOUT6
STATE
MACHINE
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
n
·
n
n
OUTPUT BUFFER
AND POWER-
DOWN CONTROL
n
VOUT7
X2A REGISTER
X2B REGISTER
DAC 7
A/B
MUX
n
n
MUX
2
DAC 7
X1 REGISTER
REGISTER
SIGGND1
AD5362/
AD5363
n
n
n
n
M REGISTER
C REGISTER
Figure 1.
Rev. A
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