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(Datasheet) AD5516

16-Channel/ 12-Bit Voltage-Output DAC with 14-Bit Increment Mode

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AD5516 pdf
a 16-Channel, 12-Bit Voltage-Output DAC
with 14-Bit Increment Mode
AD5516*
FEATURES
High Integration:
16-Channel DAC in 12 mm ؋ 12 mm LFBGA
14-Bit Resolution via Increment/Decrement Mode
Guaranteed Monotonic
Low Power, SPITM, QSPITM, MICROWIRETM, and DSP-
Compatible
3-Wire Serial Interface
Output Impedance 0.5
Output Voltage Range
؎2.5 V (AD5516-1)
؎5 V (AD5516-2)
؎10 V (AD5516-3)
Asynchronous Reset-Facility (via RESET Pin)
Asynchronous Power-Down Facility (via PD Pin)
Daisy-Chain Mode
Temperature Range: –40؇C to +85؇C
GENERAL DESCRIPTION
The AD5516 is a 16-channel, 12-bit voltage-output DAC. The
selected DAC register is written to via the 3-wire serial interface.
DAC selection is accomplished via address bits A3–A0. 14-bit
resolution can be achieved by fine adjustment in Increment/
Decrement Mode (Mode 2). The serial interface operates at
clock rates up to 20 MHz and is compatible with standard SPI,
MICROWIRE, and DSP interface standards. The output volt-
age range is fixed at ± 2.5 V (AD5516-1), ± 5 V (AD5516-2),
and ± 10 V (AD5516-3). Access to the feedback resistor in each
channel is provided via RFB0 to RFB15 pins.
The device is operated with AVCC = 5 V ± 5%, DVCC = 2.7 V to
5.25 V, VSS = –4.75 V to –12 V, and VDD = +4.75 V to +12 V
and requires a stable 3 V reference on REF_IN.
PRODUCT HIGHLIGHTS
1. Sixteen 12-bit DACs in one package, guaranteed monotonic
APPLICATIONS
Level Setting
Instrumentation
Automatic Test Equipment
Optical Networks
Industrial Control Systems
Data Acquisition
Low Cost I/O
2. Available in a 74-lead LFBGA package with a body size of
12 mm ؋ 12 mm
FUNCTIONAL BLOCK DIAGRAM
RESET
BUSY
DACGND
AGND
DGND
DCEN
DVCC
AVCC
AD5516
ANALOG
CALIBRATION
LOOP
MODE1
INTERFACE
CONTROL
LOGIC
REF_IN
VBIAS
VDD
VSS
RO F F S
RFB
DAC
RO F F S
RFB
DAC
RO F F S
RFB
DAC
RO F F S
RFB
MODE2
7-BIT BUS
DAC
POWER-DOWN
LOGIC
RFB0
VOUT0
RFB1
VOUT1
RFB14
VOUT14
RFB15
VOUT15
SCLK DIN DOUT SYNC
*Protected by U.S. Patent No. 5,969,657; other patents pending
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corporation.
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
PD
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002
Analog Devices
Analog Devices


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