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

Product Details


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
  • FEATURES and BENEFITS

    • 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
    • Digital offset and gain adjustment
    • Logic output control pins
    • DSP-/microcontroller-compatible serial interface
    • Temperature range: −40°C to +105°C
    • iCMOS® process technology

    AD5765 Functional Block Diagram

    Overview of other products within this family

    For an overview of other products within this family, view the Selection Guide for Multi-channel Bipolar Family AD57X2 & AD57X4.

    Evaluation Kits & Symbols & Footprints

    Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

    Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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    Price, packaging, availability

    AD5765 Model Options
    Model Package Pins Temp.
    Range
    Packing,
    Qty
    Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    AD5765BSUZ Status: Production 32 ld LQFP (7x7mm) 32 Ind Tray, 250 $20.13 $16.50 Y  Material Info PCN Purchase Sample
    AD5765BSUZ-REEL7 Status: Production 32 ld LQFP (7x7mm) 32 Ind Reel, 500 - $16.50 Y  Material Info PCN Purchase
    AD5765CSUZ Status: Production 32 ld LQFP (7x7mm) 32 Ind Tray, 250 $23.12 $18.95 Y  Material Info PCN Purchase Sample
    Price Table Help

    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.

    AD5765 Evaluation Board
    Model Description Price RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    EVAL-AD5765EBZ Status: Last Time Buy Evaluation Board - Yes - Contact ADI

    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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