Complete, Dual, 12-/14-/16-Bit, Serial
Input, Unipolar/Bipolar, Voltage Output DACs
AD5722/AD5732/AD5752
GENERAL DESCRIPTION
FEATURES
Complete, dual, 12-/14-/16-bit digital-to-analog converter (DAC)
Operates from single/dual supplies
The AD5722/AD5732/AD5752 are dual, 12-/14-/16-bit, serial
input, voltage output, digital-to-analog converters. They operate
from single-supply voltages from +4.5 V up to +16.5 V or dual-
supply voltages from 4.5 V up to 16.5 V. Nominal full-scale
output range is software-selectable from +5 V, +10 V, +10.8 V,
5 V, 10 V, or 10.8 V. Integrated output amplifiers, reference
buffers, and proprietary power-up/power-down control circuitry
are also provided.
Software programmable output range
+5 V, +10 V, +10.8 V, 5 V, 10 V, 10.8 V
INL error: 16 LSB maximum, DNL error: 1 LSB maximum
Total unadjusted error (TUE): 0.1% FSR maximum
Settling time: 10 µs typical
Integrated reference buffers
Output control during power-up/brownout
The parts offer guaranteed monotonicity, integral nonlinearity
(INL) of 16 LSB maximum, low noise, and 10 µs typical
settling time.
Simultaneous updating via
LDAC
Asynchronous
to zero scale or midscale
CLR
DSP-/microcontroller-compatible serial interface
24-lead TSSOP
Operating temperature range: −40°C to +85°C
iCMOS process technology1
The AD5722/AD5732/AD5752 use a serial interface that
operates at clock rates up to 30 MHz and are compatible with
DSP and microcontroller interface standards. Double buffering
allows the simultaneous updating of all DACs. The input coding
is user-selectable twos complement or offset binary for a bipolar
APPLICATIONS
Industrial automation
2sComp
output (depending on the state of Pin BIN/
), and
Closed-loop servo control, process control
Automotive test and measurement
Programmable logic controllers
straight binary for a unipolar output. The asynchronous clear
function clears all DAC registers to a user-selectable zero-scale
or midscale output. The parts are available in a 24-lead TSSOP
and offer guaranteed specifications over the −40°C to +85°C
industrial temperature range.
The AD5722/AD5732/AD5752 are pin compatible with the
AD5724/AD5734/AD5754, which are complete, quad, 12-/14-/
16-bit, serial input, unipolar/bipolar voltage output DACs.
FUNCTIONAL BLOCK DIAGRAM
AV
DD
AV
REFIN
SS
DV
CC
AD5722/AD5732/AD5752
REFERENCE
BUFFERS
CLR
BIN/2sCOMP
12/14/16
12/14/16
12/14/16
INPUT
REGISTER A
DAC
REGISTER A
DAC A
DAC B
SDIN
SCLK
SYNC
SDO
V
V
A
B
OUT
INPUT SHIFT
REGISTER
AND
CONTROL
LOGIC
INPUT
REGISTER B
DAC
REGISTER B
OUT
DAC_GND (2)
SIG_GND (2)
GND
LDAC
Figure 1.
1 For analog systems designers within industrial/instrumentation equipment OEMs who need high performance ICs at higher voltage levels, iCMOS® is a technology
platform that enables the development of analog ICs capable of 30 V and operating at 15 V supplies while allowing dramatic reductions in power consumption and
package size, as well as increased ac and dc performance.
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
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
rightsof third parties that may result fromits use. Specifications subject to change without notice. No
Tel: 781.329.4700
Fax: 781.461.3113
www.analog.com
©2008 Analog Devices, Inc. All rights reserved.
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks andregisteredtrademarks are the property of their respective owners.
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