16-Channel, 16-/14-Bit,
Serial Input, Voltage-Output DAC
AD5360/AD5361
SPI-compatible serial interface
FEATURES
2.5 V to 5.5 V digital interface
16-channel DAC in 52-lead LQFP and 56-lead LFCSP
packages
RESET
Digital reset (
)
Clear function to user-defined SIGGNDx
Simultaneous update of DAC outputs
Guaranteed monotonic to 16/14 bits
Nominal output voltage range of −10 V to +10 V
Multiple output spans available
Temperature monitoring function
Channel monitoring multiplexer
GPIO function
System calibration function allowing user-programmable
offset and gain
Channel grouping and addressing features
Data error checking feature
APPLICATIONS
Instrumentation
Industrial control systems
Level setting in automatic test equipment (ATE)
Variable optical attenuators (VOA)
Optical line cards
FUNCTIONAL BLOCK DIAGRAM
DVCC
VDD
VSS
AGND DGND
LDAC
TEMP
VREF0
TEMP_OUT
PEC
n = 16 FOR AD5360
n = 14 FOR AD5361
SENSOR
GROUP 0
BUFFER
8
CONTROL
REGISTER
14
n
14
n
OFFSET
DAC 0
OFS0
REGISTER
VOUT0 TO
VOUT15
8
n
8
A/B SELECT
REGISTER
TO
MON_IN0
MON_IN1
BUFFER
MUX 2s
6
OUTPUT BUFFER
AND POWER-
DOWN CONTROL
VOUT0
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
VOUT7
n
X2A REGISTER
X2B REGISTER
DAC 0
REGISTER
MUX
n
A/B
MUX
MUX
2
DAC 0
X1 REGISTER
n
n
n
·
·
·
·
·
·
·
·
·
·
·
·
M REGISTER
C REGISTER
·
·
·
·
·
·
MON_OUT
n
n
n
·
·
·
·
·
·
·
·
·
2
GPIO
REGISTER
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
GPIO
BIN/2SCOMP
·
OUTPUT BUFFER
AND POWER-
n
n
n
X2A REGISTER
n
n
A/B
MUX
2
DAC 7
SYNC
SDI
X1 REGISTER
DOWN CONTROL
DAC 7
MUX
REGISTER
SIGGND0
VREF1
X2B REGISTER
n
n
n
SERIAL
INTERFACE
M REGISTER
C REGISTER
SCLK
SDO
GROUP 1
14
n
n
n
OFFSET
DAC 1
OFS1
REGISTER
BUSY
8
8
TO
MUX 2s
A/B SELECT
REGISTER
BUFFER
RESET
CLR
OUTPUT BUFFER
AND POWER-
DOWN CONTROL
VOUT8
n
n
X2A REGISTER
DAC 0
REGISTER
n
A/B
MUX
MUX
2
DAC 0
X1 REGISTER
VOUT9
X2B REGISTER
n
n
n
VOUT10
VOUT11
VOUT12
VOUT13
VOUT14
VOUT15
·
·
·
·
·
·
·
·
·
·
·
·
·
M REGISTER
C REGISTER
·
·
·
·
·
·
STATE
MACHINE
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
n
·
OUTPUT BUFFER
AND POWER-
n
n
n
n
X2A REGISTER
n
DAC 7
A/B
MUX
2
X1 REGISTER
DAC 7
DOWN CONTROL
REGISTER
MUX
SIGGND1
X2B REGISTER
AD5360/
AD5361
n
n
n
M REGISTER
C REGISTER
n
Figure 1.
Rev. A
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