16-Channel, 16/14-Bit,
Serial Input, Voltage-Output DAC
Preliminary Technical Data
AD5360/AD5361
SPI compatible serial interface
2.5 V to 5.5 V digital interface
Power-on reset
FEATURES
16-channel DAC in 52-LQFP and 56-LFCSP
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
Digital reset (RESET)
Clear function to user-defined SIGGND (CLR pin)
Simultaneous update of DAC outputs (LDAC pin)
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 DNGD
LDAC
VREF0
TEMP
SENSOR
AD5360, n = 16
AD5361, n = 14
TEMP_OUT
PEC
GROUP 0
BUFFER
14
n
8
14
n
OFFSET
DAC 0
OFS0
REGISTER
CONTROL
REGISTER
8
8
A/B SELECT
TO
MUX 2's
BUFFER
REGISTER
MON_IN0
MON_IN1
VOUT0 -
VOUT15
OUTPUT BUFFER
AND POWER
DOWN CONTROL
n
VOUT0
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
VOUT7
n
n
X1A REGISTER
X2A REGISTER
DAC 0
REGISTER
MUX
2
MUX
1
DAC 0
n
n
6
2
X2B REGISTER
X1B REGISTER
M REGISTER
C REGISTER
n
MUX
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
n
n
MON_OUT
GPIO
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
GPIO
REGISTER
BIN/2SCOMP
SYNC
SDI
OUTPUT BUFFER
AND POWER
·
n
n
n
n
n
n
X1A REGISTER
X2A REGISTER
DAC 7
MUX
2
MUX
1
DAC 7
DOWN CONTROL
n
n
SIGGND0
REGISTER
X2B REGISTER
X1B REGISTER
M REGISTER
C REGISTER
SERIAL
INTERFACE
n
SCLK
n
VREF1
GROUP 1
SDO
14
n
14
n
OFFSET
DAC 1
OFS1
REGISTER
BUSY
8
8
TO
MUX 2's
A/B SELECT
REGISTER
BUFFER
RESET
CLR
OUTPUT BUFFER
AND POWER
DOWN CONTROL
n
VOUT8
n
n
n
X1A REGISTER
X2A REGISTER
DAC 0
REGISTER
MUX
2
MUX
1
DAC 0
VOUT9
n
n
X2B REGISTER
X1B REGISTER
M REGISTER
C REGISTER
VOUT10
VOUT11
VOUT12
VOUT13
VOUT14
VOUT15
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
STATE
MACHINE
n
n
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
n
OUTPUT BUFFER
AND POWER
·
n
n
n
n
n
n
POWER-ON
RESET
X1A REGISTER
X2A REGISTER
DAC 7
MUX
2
MUX
1
DAC 7
DOWN CONTROL
n
n
SIGGND1
REGISTER
X2B REGISTER
X1B REGISTER
M REGISTER
C REGISTER
5360-0001
n
AD5360/
AD5361
n
Figure 1.
AD5360/AD5361—Protected by U.S. Patent No. 5,969,657; other patents pending
Rev. PrF
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