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AD7392 Datasheet(PDF) 1 Page - Analog Devices

Part # AD7392
Description  3 V, Parallel Input Micropower 10-/12-Bit DACs
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7392 Datasheet(HTML) 1 Page - Analog Devices

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3 V, Parallel Input
Micropower 10-/12-Bit DACs
AD7392/AD7393
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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
©1996–2007 Analog Devices, Inc. All rights reserved.
FEATURES
Micropower: 100 μA
0.1 μA typical power shutdown
Single-supply 2.7 V to 5.5 V operation
AD7392: 12-bit resolution
AD7393: 10-bit resolution
0.9 LSB differential nonlinearity error
APPLICATIONS
Automotive 0.5 V to 4.5 V output span voltage
Portable communications
Digitally controlled calibration
PC peripherals
FUNCTIONAL BLOCK DIAGRAM
12
12
12-BIT
DAC
DAC REGISTER
VREF
SHDN
AGND
RS
D0 TO D11
CS
DGND
AD7392
VDD
VOUT
Figure 1.
GENERAL DESCRIPTION
The AD7392/AD7393 comprise a set of pin-compatible
10-/12-bit voltage output, digital-to-analog converters. The
parts are designed to operate from a single 3 V supply. Built
using a CBCMOS process, these monolithic DACs offer low
cost and ease of use in single-supply 3 V systems. Operation is
guaranteed over the supply voltage range of 2.7 V to 5.5 V,
making this device ideal for battery-operated applications.
The full-scale voltage output is determined by the external ref-
erence input voltage applied. The rail-to-rail REFIN to DACOUT
allows a full-scale voltage equal to the positive supply VDD or
any value in between. The voltage outputs are capable of sourc-
ing 5 mA.
A data latch load of 12 bits with a 45 ns write time eliminates
wait states when interfacing to the fastest processors. Addition-
ally, an asynchronous RS input sets the output to a zero scale at
power-on or upon user demand.
Both parts are offered with similar pinouts, which allows users
to select the amount of resolution appropriate for their applica-
tions without changing the circuit card.
The AD7392/AD7393 are specified for operation over the
extended industrial temperature range of −40°C to +85°C.
The AD7393AR is specified for the automotive temperature
range of −40°C to +125°C. The AD7392/AD7393 are available
in 20-lead PDIP and 20-lead SOIC packages.
For serial data input, 8-lead packaged versions, see the AD7390
and AD7391.


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