AD5764

PRODUCTION

Complete Quad, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC

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Overview

  • Complete quad, 16-bit digital-to-analog converter (DAC)
  • Programmable output range ±10 V, ±10.2564 V, or ±10.5263 V
  • ±1 LSB maximum INL error,
    ±1 LSB maximum DNL error
  • Low noise: 60 nV/√Hz
  • Settling time: 10 μs maximum
  • Integrated reference buffers
  • Output control during power-up/brownout
  • Programmable short-circuit protection
  • See Data Sheet for Additional Information

Supports Defense and Aerospace Applications (AQEC Standard)


NEWER ALTERNATIVES:

  • AD5764R Quad, 16-Bit, 1LSB INL, Bipolar Voltage Output DAC with Internal Reference
  • AD5754R Complete, Quad, 16-Bit, Unipolar/Bipolar Voltage Output DAC with Internal Reference
  • AD5754 Complete, Quad, 16-Bit, Unipolar/Bipolar Voltage Output DAC

The AD5764 is a quad, 16-bit, serial input, bipolar voltage output DAC that operates from supply voltages of ±11.4 V to ±16.5 V. Nominal full-scale output range is ±10 V. The AD5764 provides integrated output amplifiers, reference buffers, and proprietary power-up/power-down control circuitry. The part also features a digital I/O port that is programmed via the serial interface. The part incorporates digital offset and gain adjust registers per channel.

The AD5764 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), VOUTx is clamped to 0 V via a low impedance path.

The AD5764 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 the data register to either bipolar zero or zero scale depending on the coding used. The AD5764 is ideal for both closed-loop servo control and open-loop control applications. The AD5764 is available in a 32-lead TQFP, and offers guaranteed specifications over the −40°C to +85°C industrial temperature range. See Figure 1 for the functional block diagram.

APPLICATIONS

  • Industrial automation
  • Open-loop/closed-loop servo control
  • Process control
  • Data acquisition systems
  • Automatic test equipment
  • Automotive test and measurement
  • High accuracy instrumentation

AD5764
Complete Quad, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC
AD5764 Functional Block Diagram AD5764 Pin Configuration
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Software Resources


Hardware Ecosystem

Parts Product Life Cycle Description
Interface Transceivers & Isolators 4
ADUM5401 PRODUCTION Quad-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter (3/1 channel directionality)
ADUM4160 PRODUCTION Full/Low Speed USB Digital Isolator
ADUM1401 PRODUCTION Quad-Channel Digital Isolator (3/1 Channel Directionality)
ADUM7441 PRODUCTION 1 kV RMS Quad-Channel Digital Isolator
Voltage References 6
ADR435 PRODUCTION Ultralow Noise XFET® Voltage References with Current Sink and Source Capability
ADR4550 PRODUCTION Ultra-Low-Noise, High-Accuracy 5.0V Voltage Reference
ADR431 PRODUCTION Ultralow Noise XFET® Voltage References with Current Sink and Source Capability
ADR425 PRODUCTION Ultraprecision, Low Noise, 5.00 V XFET® Voltage Reference
REF192 PRODUCTION 2.5V Precision Micropower, Low Dropout, Low Voltage Reference
ADR395 PRODUCTION 5.0 V Micropower, Low Noise Precision Voltage Reference with Shutdown
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Tools & Simulations

Precision DAC Error Budget Tool

The Precision DAC Error Budget Tool is a web application that calculates the DC Accuracy of precision DAC signal chains. It shows how the static errors accumulate throughout your signal chain to quickly evaluate the design tradeoffs. Calculations include the DC errors introduced by Voltage References, Operation Amplifiers and Precision DACs.

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Evaluation Kits

eval board
EVAL-AD5764

AD5764 Evaluation Board

Product Details

The evaluation board for the AD5764 uses a USB connector to connect to a PC, using the software provided to control the part.

EVAL-AD5764
AD5764 Evaluation Board
EVAL-AD5764EBZANGLE-web EVAL-AD5764EBZBOTTOM-web EVAL-AD5764EBZTOP-web

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