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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 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. ...More

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

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    • 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
    • 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

    Functional Block Diagram for AD5340

    OF NOTE ...

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    Pricing, Packaging & Availability

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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.