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 ...More

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

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

    Features

    • 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

    Diagrams

    AD5320 Diagram
    Functional Block Diagram for AD5320

    Specifications

    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 (Max) 345µW
    Package SOP,SOT

    AD5045 - Fully Accurate 14-Bit VOUT DAC SPI Interface 2.7 V to 5.5 V in a TSSOP

    AD5025 - Fully Accurate 12-Bit VOUT DAC SPI Interface 2.7 V to 5.5 V in a TSSOP

    AD5821A - 120 mA, Current Sinking, 10-Bit, I2C DAC

    AD5398A - 120 mA, Current Sinking, 10-Bit, I2C DAC

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    Part# Res (bits) Update Rate Settling Time # Outputs
    AD7945 12 1.7MSPS 600ns 1
    AD7948 12 1.7MSPS 600ns 1
    AD9706 12 175MSPS 11ns 1
    AD9742 12 210MSPS 11ns 1
    AD7845 12 200KSPS 5µs 1
    AD5620 12 125KSPS 8µs 1
    AD9752 12 125MSPS 35ns 1