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AD5320:  2.7 V to 5.5 V, 140 µA, Rail-to-Rail Voltage Output 12-Bit DAC in SOT-23 and MicroSOIC Packages

The AD5320 is a single, 12-bit buffered voltage out DAC that operates from a single +2.7 V to +5.5 V supply consuming 115 µA at 3 V. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The AD5320 utilizes a versatile three-wire serial interface that operates at clock rates up to 30 MHz and is compatible with standard SPI ™,QSPI ™, MICROWIRE ™ and DSP ...More

AD5320:  2.7 V to 5.5 V, 140 µA, Rail-to-Rail Voltage Output 12-Bit DAC in SOT-23 and MicroSOIC Packages

Product Description

The AD5320 is a single, 12-bit buffered voltage out DAC that operates from a single +2.7 V to +5.5 V supply consuming 115 µA at 3 V. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The AD5320 utilizes a versatile three-wire serial interface that operates at clock rates up to 30 MHz and is compatible with standard SPI ™,QSPI ™, MICROWIRE ™ and DSP interface standards.

Product Highlights

  • Available in 6-lead SOT-23 and 8-lead MicroSOIC packages
  • Low power, single supply operation from 2.7 V to 5.5 V
  • Consumes 0.35 mW at 3 V and 0.7 mW at 5 V
  • Rail-to-Rail output with a slew rate of 1 V/µs
  • Reference derived from the power supply
  • High speed serial interface with clock speeds up to 30 MHz
  • Pin and Software Compatible with the AD5300 (8-Bit) and the AD5310 (10-bit)

    • Related Products
    AD5621 2.7 V to 5.5 V, <100 µA, 12-Bit nanoDAC™ D/A Converter, SPI Interface, SC70 Package
    AD5641 2.7 V to 5.5 V, <100 µA, 14-Bit nanoDAC™ D/A Converter, SPI Interface, SC70 Package

    RESOURCES & TOOLS

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    • Micropower: 140 µA @ 5 V, 115 µA @ 3 V
    • Power-Down to 200 nA @ 5 V, 50 nA @ 3 V
    • Guaranteed Monotonic by design
    • Power-On-Reset to Zero Volts
    • Three Power-Down Functions
    • SYNC(active low) Interrupt Facility
    • Low Power, SPI™, QSPI™, MICROWIRE™ and DSP-Compatible 3-Wire Serial Interface
    • Output Buffer Amplifier with Rail-to-Rail Operation
    • Temperature Range: -40°C to 105°C
    • Three Power-Down Functions
    • Resolution (Bits): 12bit
    • DAC Update Rate: 125kSPS
    • DAC Settling Time: 8µs
    • # DAC Outputs: 1
    • DAC Type: Voltage Out
    • DAC Input Format: Ser,SPI
    • Output FSR: (Uni Vdd)
    • Ref Int/Ext: Int
    • Supply Vnom: Single(+2.7),Single(+3),Single(+3.3),Single(+5)
    • Pwr Diss: 345µW
    • Package: SOP,SOT

    Functional Block Diagram for AD5320

    Of Note ...

    For additional information, please see also AD5321 with a 2-Wire Interface.