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AD5765:  Complete Quad, 16-Bit, High Accuracy, Serial Input, ±5 V DAC

The AD5765 is a quad, 16-bit, serial input, bipolar voltage output, digital-to-analog converter (DAC) that operates from supply voltages of ±4.75 V to ±5.25 V. The 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 ...More

AD5765:  Complete Quad, 16-Bit, High Accuracy, Serial Input, ±5 V DAC

Product Description

The AD5765 is a quad, 16-bit, serial input, bipolar voltage output, digital-to-analog converter (DAC) that operates from supply voltages of ±4.75 V to ±5.25 V. The 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 part incorporates digital offset and gain adjustment 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 a twos complement or an offset binary format. 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. Figure 1 contains a functional block diagram of the AD5765.

Applications:

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

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    EVALUATION BOARDS & DEVELOPMENT KITS

    • Complete quad, 16-bit digital-to-analog converter (DAC)
    • 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: 70 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
    • See Data Sheet for additional features

    AD5765 Functional Block Diagram

    AD5765 Functional Block Diagram
    AD5765 Functional Block Diagram

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    Pricing, Packaging & Availability

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    Model
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    For detailed drawings and chemical composition please consult our  Package Site

    Pin Count
    Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

    Temperature Range
    This is the acceptable operating range of the device. The various ranges specified are as follows:
    • Commercial: 0 to +70 degrees Celsius
    • Military : -55 to +125 degrees Celsius
    • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
    • Automotive: -40 to +125 degrees Celsius
    Price
    The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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    Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.