AD5340:  2.5 V to 5.5 V, 115 µA, Parallel Interface Single Voltage Output 12-Bit DAC

The AD5330/AD5331/AD5340/AD5341* are single 8-/10-/12-bit DACs. They operate from a 2.5 V to 5.5 V supply consuming just 115 μA at 3 V and feature a power-down mode that further reduces the current to ...More

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AD5340:  2.5 V to 5.5 V, 115 µA, Parallel Interface Single Voltage Output 12-Bit DAC

Product Description

The AD5330/AD5331/AD5340/AD5341* are single 8-/10-/12-bit DACs. They operate from a 2.5 V to 5.5 V supply consuming just 115 μA at 3 V and feature a power-down mode that further reduces the current to 80 nA. The devices incorporate an on-chip output buffer that can drive the output to both supply rails, but the AD5330, AD5340, and AD5341 allow a choice of buffered or unbuffered reference input.

The AD5330/AD5331/AD5340/AD5341 have a parallel interface. CS selects the device and data is loaded into the input registers on the rising edge of WR.

The GAIN pin allows the output range to be set at 0 V to VREF or 0 V to 2 × VREF.

Input data to the DACs is double-buffered, allowing simultaneous update of multiple DACs in a system using the LDAC pin.

An asynchronous CLR input is also provided, which resets the contents of the input register and the DAC register to all zeros. These devices also incorporate a power-on reset circuit that ensures that the DAC output powers on to 0 V and remains there until valid data is written to the device.

The AD5330/AD5331/AD5340/AD5341 are available in thin shrink small outline packages (TSSOP).

Applications

  • Portable battery-powered instruments
  • Digital gain and offset adjustment
  • Programmable voltage and current sources
  • Programmable attenuators
  • Industrial process control

    • * Protected by U.S. Patent Number 5,969,657; other patents pending.

    Data Sheet, Rev. A, 2/08

    Features

    • Single 12-Bit DAC in 24-Lead TSSOP
    • Low power operation: 115 μA @ 3 V, 140 μA @ 5 V
    • Power-down to 80 nA @ 3 V, 200 nA @ 5 V via PD Pin
    • 2.5 V to 5.5 V power supply
    • Double-buffered input logic
    • Guaranteed monotonic by design over all codes
    • Buffered/unbuffered reference input options
    • See Data Sheet for Additional Information

    Diagrams

    AD5340 Diagram
    Functional Block Diagram for AD5340

    Specifications

    Resolution (Bits) 12bit
    DAC Update Rate 125kSPS
    DAC Settling Time 8µs
    # DAC Outputs 1
    DAC Type Voltage Out
    DAC Input Format Par
    Output FSR (Uni 2Vref),(Uni Vref)
    Ref Int/Ext Ext
    Supply Vnom Single(+2.7),Single(+3),Single(+3.3),Single(+5)
    Pwr Diss 1.25mW
    Package SOP

    AD5763 - Complete Dual, 16-Bit High Accuracy, Serial Input, ±5 V DAC

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

    AD5422 - Single Channel, 16-Bit, Serial Input, Current Source & Voltage Output DAC

    AD5724R - Complete, Quad, 12-Bit, Serial Input, Unipolar/Bipolar Voltage Output DAC

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    Part# Bits Update Rate Settling Time # Outputs
    DAC8043A 12 4MSPS 250ns 1
    AD7845 12 200KSPS 5µs 1
    AD9752 12 125MSPS 35ns 1
    AD5441 12 5MSPS 500ns 1
    AD5443 12 2.47MSPS 90ns 1
    AD5444 12 2.7MSPS 40ns 1
    AD5445 12 20.4MSPS 80ns 1
    AD5452 12 2.7MSPS 160ns 1
    AD7245A 12 143KSPS 7µs 1
    AD667 12 500KSPS 2µs 1
    AD7248A 12 142KSPS 7µs 1
    AD7943 12 1.7MSPS 600ns 1
    AD9753 12 300MSPS 11ns 1
    AD5320 12 125KSPS 8µs 1
    AD5321 12 125KSPS 8µs 1
    AD7945 12 1.7MSPS 600ns 1
    AD5620 12 125KSPS 8µs 1
    AD5621 12 1.7MSPS 6µs 1
    AD5622 12 1.7MSPS 6µs 1
    AD7948 12 1.7MSPS 600ns 1
    AD9706 12 175MSPS 11ns 1
    AD5340 12 125KSPS 8µs 1
    AD5341 12 125KSPS 8µs 1
    AD9742 12 210MSPS 11ns 1
    AD9762 12 125MSPS 35ns 1
    Pricing, Packaging & Availability

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    • Automotive: -40 to +125 degrees Celsius
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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.

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