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Analog Devices Semiconductor Electronic Components Datasheet

AD5752 Datasheet

(AD57x2) Voltage Output DACs

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AD5752 pdf
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Complete, Dual, 12-/14-/16-Bit, Serial
Input, Unipolar/Bipolar, Voltage Output DACs
AD5722/AD5732/AD5752
FEATURES
Complete, dual, 12-/14-/16-bit digital-to-analog converter (DAC)
Operates from single/dual supplies
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
Simultaneous updating via LDAC
Asynchronous CLR to zero scale or midscale
DSP-/microcontroller-compatible serial interface
24-lead TSSOP
Operating temperature range: −40°C to +85°C
iCMOS process technology1
APPLICATIONS
Industrial automation
Closed-loop servo control, process control
Automotive test and measurement
Programmable logic controllers
GENERAL DESCRIPTION
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.
The parts offer guaranteed monotonicity, integral nonlinearity
(INL) of ±16 LSB maximum, low noise, and 10 µs typical
settling time.
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
output (depending on the state of Pin BIN/2sComp), and
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
AVSS AVDD
REFIN
DVCC
CLR
BIN/2sCOMP
SDIN
SCLK
SYNC
SDO
AD5722/AD5732/AD5752
REFERENCE
BUFFERS
INPUT SHIFT
REGISTER
AND
CONTROL
LOGIC
12/14/16
INPUT
REGISTER A
DAC
12/14/16
REGISTER A
DAC A
INPUT
REGISTER B
DAC
12/14/16
REGISTER B
DAC B
VOUTA
VOUTB
GND
LDAC
Figure 1.
DAC_GND (2) SIG_GND (2)
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
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2008 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

AD5752 Datasheet

(AD57x2) Voltage Output DACs

No Preview Available !

AD5752 pdf
AD5722/AD5732/AD5752
www.DataSheet4U.com
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
AC Performance Characteristics ................................................ 5
Timing Characteristics ................................................................ 5
Timing Diagrams.......................................................................... 6
Absolute Maximum Ratings............................................................ 8
ESD Caution.................................................................................. 8
Pin Configuration and Function Descriptions............................. 9
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 16
Theory of Operation ...................................................................... 18
Architecture................................................................................. 18
Serial Interface ............................................................................ 18
Load DAC (LDAC)..................................................................... 20
Asynchronous Clear (CLR)....................................................... 20
Configuring the AD5722/AD5732/AD5752 .......................... 20
REVISION HISTORY
10/08—Revision 0: Initial Version
Transfer Function....................................................................... 20
Input Shift Register .................................................................... 24
DAC Register .............................................................................. 25
Output Range Select Register ................................................... 25
Control Register ......................................................................... 26
Power Control Register.............................................................. 26
Design Features............................................................................... 27
Analog Output Control ............................................................. 27
Power-Down Mode .................................................................... 27
Overcurrent Protection ............................................................. 27
Thermal Shutdown .................................................................... 27
Applications Information .............................................................. 28
+5 V/±5 V Operation ................................................................ 28
Layout Guidelines....................................................................... 28
Galvanically Isolated Interface ................................................. 28
Voltage Reference Selection ...................................................... 28
Microprocessor Interfacing....................................................... 29
Outline Dimensions ....................................................................... 30
Ordering Guide .......................................................................... 30
Rev. 0 | Page 2 of 32


Part Number AD5752
Description (AD57x2) Voltage Output DACs
Maker Analog Devices
Total Page 30 Pages
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