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AD5765 Datasheet(PDF) 1 Page - Analog Devices

No. de pieza AD5765
Descripción Electrónicos  Complete Quad, 16-Bit, High Accuracy, Serial Input, 짹5V DACs
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

AD5765 Datasheet(HTML) 1 Page - Analog Devices

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Complete Quad, 16-Bit, High Accuracy,
Serial Input, ±5V DACs
Preliminary Technical Data
AD5765
Rev. PrA
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
©2007 Analog Devices, Inc. All rights reserved.
FEATURES
Complete quad, 16-bit digital-to-analog
converters (DACs)
Programmable output range:
±4.096 V, ±4.201 V, or ±4.311 V
±1 LSB maximum INL error, ±1 LSB maximum DNL error
Low noise: 60 nV/√Hz
Settling time: 10 µs maximum
Integrated reference buffers
On-chip die temperature sensor
Output control during power-up/brownout
Programmable short-circuit protection
Simultaneous updating via LDAC
Asynchronous CLR to zero code
Digital offset and gain adjust
Logic output control pins
DSP-/microcontroller-compatible serial interface
Temperature range: −40°C to +105°C
iCMOS
® process technology1
APPLICATIONS
Industrial automation
Open-/closed-loop servo control
Process control
Data acquisition systems
Automatic test equipment
Automotive test and measurement
High accuracy instrumentation
GENERAL DESCRIPTION
The AD5765 is a quad, 16-bit, serial input, bipolar voltage
output digital-to-analog converter that operates from supply
voltages of ±4.75 V up to ±5.25 V. Nominal full-scale output
range is ±4.096 V. The AD5765 provides integrated output
amplifiers, reference buffers and proprietary power-up/power-
down control circuitry. The part also features a digital I/O port,
which is programmed via the serial interface. The parts
incorporate digital offset and gain adjust registers per channel.
The AD5765 is a high performance converter that offers
guaranteed monotonicity, integral nonlinearity (INL) of ±1 LSB,
low noise, and 10 µs settling time. During power-up (when the
supply voltages are changing), the outputs are clamped to 0 V
via a low impedance path.
The AD5765 uses a serial interface that operates at clock rates of up
to 30 MHz and is compatible with DSP and microcontroller
interface standards. Double buffering allows the simultaneous
updating of all DACs. The input coding is programmable to either
twos complement or offset binary formats. The asynchronous clear
function clears all DAC registers to either bipolar zero or zero scale
depending on the coding used. The AD5765 is ideal for both
closed-loop servo control and open-loop control applications. The
AD5765 is available in a 32-lead TQFP, and offers guaranteed
specifications over the −40°C to +105°C industrial temperature
range. See Figure 1, the functional block diagram.
Table 1. Related Devices
Part No.
Description
AD5764
Complete quad, 16-bit, high accuracy, serial
input, ±10V output DAC
AD5763
Complete dual, 16-bit, high accuracy, serial
input, ±5V DAC
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, allowing dramatic reductions in power
consumption and package size, and increased ac and dc performance.


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