AD5341

PRODUCTION

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

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Overview

  • Single 12-Bit DAC in 20-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

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

    AD5341
    2.5V to 5.5V, 115µA Parallel Interface Single Voltage Output 12-Bit DAC
    AD5341 Functional Block Diagram AD5341 Pin Configuration
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    Documentation

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    Software Resources

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    Hardware Ecosystem

    Parts Product Life Cycle Description
    AD5512A PRODUCTION 2.7 V to 5.5 V, Serial-Input, Voltage-Output, 12-Bit nanoDAC in 16-lead 3 mm × 3 mm LFCSP
    AD5681R PRODUCTION Tiny 12-Bit SPI nanoDAC+, with ±1 LSB INL and 2 ppm/°C Reference
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    Tools & Simulations

    Precision DAC Error Budget Tool

    The Precision DAC Error Budget Tool is a web application that calculates the DC Accuracy of precision DAC signal chains. It shows how the static errors accumulate throughout your signal chain to quickly evaluate the design tradeoffs. Calculations include the DC errors introduced by Voltage References, Operation Amplifiers and Precision DACs.

    Open Tool

    Evaluation Kits

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    EVAL-AD5341

    AD5341 Evaluation Board

    Features and Benefits

    • Full featured evaluation board (EVAL-AD5341DBZ) in conjunction with the nanoDAC motherboard (EVAL-MBnanoDAC-SDZ)
    • On-board references 
    • Various link options
    • PC control in conjunction with Analog Devices, Inc., system demonstration platform

    Product Details

    The EVAL-AD5341DBZ evaluation board helps users quickly prototype new AD5341 circuits and reduce design times. The AD5341 operates from a single 2.5 V to 5.5 V supply.


    For full data, see the AD5341 data sheet, which must be used in conjunction with user guide UG-982 when using the evaluation board. The EVAL-AD5341DBZ interfaces to the USB port of a PC via the SDP-B controller board. Software is available that allows users to program the AD5341.


    The EVAL-AD5341DBZ evaluation board requires the EVAL-SDP-CB1Z board (SDP-B controller board).

    EVAL-AD5341
    AD5341 Evaluation Board
    Eval-AD5341DBZ-Angle-web Eval-AD5341DBZ-Bottom-web Eval-AD5341DBZ-Top-web

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