AD5370:  40-Channel, 16-Bit, Serial Input, Voltage-Output DACs

The AD5370* contains forty 16-bit DACs in a single 64-lead LFCSP and a 64-lead LQFP. The device provides buffered voltage outputs with a span that is 4× the reference voltage. The gain and offset of ...More

For an overview of the AD536x and AD537x products, view the AD536x, AD537x Family Selection Table.

AD5370:  40-Channel, 16-Bit, Serial Input, Voltage-Output DACs

Product Description

The AD5370* contains forty 16-bit DACs in a single 64-lead LFCSP and a 64-lead LQFP. The device provides buffered voltage outputs with a span that is 4× the reference voltage. The gain and offset of each DAC channel can be independently trimmed to remove errors. For even greater flexibility, the device is divided into five groups of eight DACs. Three offset DAC channels allow the output range of blocks to be adjusted. Group 0 can be adjusted by Offset DAC 0, Group 1 can be adjusted by Offset DAC 1, and Group 2 to Group 4 can be adjusted by Offset DAC 2.

The AD5370 offers guaranteed operation over a wide supply range, with VSS from −16.5 V to −4.5 V and VDD from +9 V to +16.5 V. The output amplifier headroom requirement is 1.4 V operating with a load current of 1 mA.

The AD5370 has a high speed serial interface that is compatible with SPI, QSPI™, MICROWIRE™, and DSP interface standards and can handle clock speeds of up to 50 MHz.

The DAC registers are updated on receipt of new data. All the outputs can be updated simultaneously by taking the LDAC input low. Each channel has a programmable gain and an offset adjust register to allow removal of gain and offset errors.

Each DAC output is gained and buffered on chip with respect to an external SIGGNDx input. The DAC outputs can also be switched to SIGGNDx via the CLR pin.

Applications

  • Level setting in automatic test equipment (ATE)
  • Variable optical attenuators (VOA)
  • Optical switches
  • Industrial control systems
  • Instrumentation
  • * Protected by U.S. Patent No. 5,969,657; other patents pending.

    Data Sheet, Rev. 0, 4/08

    Features

    • 40-channel DAC in 64 Lead LFCSP and LQFP
    • Guaranteed monotonic to 16 bits
    • Maximum output voltage span of 4 × VREF
      (20 V)
    • Nominal output voltage range of -4 V to +8 V
    • Multiple, independent output span available
    • System calibration function allowing user-programmable offset and gain
    • See Data Sheet for Additional Information

    Diagrams

    AD5370 Diagram
    Functional Block Diagram for AD5370

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    Part# Configuration Channels Watts Per Channel (W) Vmin Vmax Reflection Clamps Comparator BW (MHz) Package Price* (1000-4999)
    AD53040G D 1 1.15 -3 8 - - 20-Lead PSOP $23.00
    ADATE205 DCL 2 1.15 -1.5 6.5 X 1000 100-Lead TQFP -
    ADATE206 DCL 2 1.4 -1.5 6.5 X 1000 100-Lead TQFP -
    ADATE209 D 2 0.5 -1.5 3.5 - - 49-Ball FCBGA -
    ADATE302 DAC, DCL, PMU 2 1.65 -2 6 X 1000 100-Lead TQFP, 84-Ball FCBGA -
    ADATE304 DAC, DCL, PMU 2 0.8 -2/-1.5 6/6.5 X 500 84-Ball FCBGA -
    ADATE305 DAC, DCL, PMU 2 0.85 -2/-1.5 6/6.5 X 500 100-Lead TQFP -

    * The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    ** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

    Pricing, Packaging & Availability

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    For detailed drawings and chemical composition please consult our  Package Site

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    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.

    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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