32-Channel, 3 V/5 V, Single-Supply,
14-Bit, Voltage Output DAC
AD5382
FEATURES
Guaranteed monotonic
INL error: ±4 LSB max
On-chip 1.25 V/2.5 V, 10 ppm/°C reference
Temperature range: –40°C to +85°C
Rail-to-rail output amplifier
Power-down mode
Package type: 100-lead LQFP (14 mm × 14 mm)
User Interfaces:
Parallel
Serial (SPI®/QSPI™/MICROWIRE™/DSP compatible,
featuring data readback)
2
I C® compatible
INTEGRATED FUNCTIONS
Channel monitor
Simultaneous output update via LDAC
Clear function to user programmable code
Amplifier boost mode to optimize slew rate
User programmable offset and gain adjust
Toggle mode enables square wave generation
Thermal monitor
APPLICATIONS
Variable optical attenuators (VOA)
Level setting (ATE)
Optical micro-electro-mechanical systems (MEMS)
Control systems
Instrumentation
AGND (×4)
DAC GND (×4)
REFGND
REFOUT/REFIN
SIGNAL GND (×4)
FUNCTIONAL BLOCK DIAGRAM
DVDD (×3)
PD
SER/PAR
FIFO EN
CS/(SYNC/AD0)
WR/(DCEN/AD1)
SDO
DB13/(DIN/SDA)
DB12/(SCLK/SCL)
DB11/(SPI/I2C)
DB10
14
INPUT 14
REG 0
14
FIFO
+
STATE
MACHINE
+
CONTROL
LOGIC
14
m REG 0
c REG 0
R
14
INPUT 14
REG 1
14
14
m REG 1
c REG 1
R
VOUT4
14
POWER-ON
RESET
INPUT 14
REG 6
14
14
m REG 6
c REG 6
R
14
INPUT 14
REG 7
14
36-TO-1
MUX
14
m REG 7
c REG 7
R
03733-0-001
DGND (×3)
AVDD (×4)
AD5382
1.25V/2.5V
REFERENCE
14
DAC 14
REG 0
DAC 0
VOUT0
R
DB0
A4
A0
REG 0
REG 1
RESET
BUSY
CLR
INTERFACE
CONTROL
LOGIC
14
DAC 14
REG 1
DAC 1
VOUT1
VOUT2
R
VOUT3
14
DAC 14
REG 6
DAC 6
VOUT5
VOUT6
R
V
OUT
0………V
OUT
31
14
DAC 14
REG 7
DAC 7
VOUT7
VOUT8
R
VOUT31
MON_IN1
MON_IN2
MON_IN3
MON_IN4
×4
MON_OUT
LDAC
Figure 1.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
© 2004 Analog Devices, Inc. All rights reserved.
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