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AD5449 - Multiplying DACs

This page provides the datasheet information for the AD5449, a member of the AD5429 Multiplying DACs family.

Datasheet Summary

Description

The AD5429/AD5439/AD54491 are CMOS 8-, 10-, and 12-bit dual-channel current output digital-to-analog converters, respectively.

These devices operate from a 2.5 V to 5.5 V power supply, making them suited to battery-powered and other applications.

Features

  • 10 MHz multiplying bandwidth 50 MHz serial interface 2.5 V to 5.5 V supply operation ±10 V reference input Pin compatible 8-, 10-, and 12-bit DACs Extended temperature range:.
  • 40°C to +125°C 16-lead TSSOP package Guaranteed monotonic Power-on reset Daisy-chain mode Readback function 0.5 µA typical current consumption.

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Datasheet preview – AD5449

Datasheet Details

Part number AD5449
Manufacturer Analog Devices
File Size 895.96 KB
Description Multiplying DACs
Datasheet download datasheet AD5449 Datasheet
Additional preview pages of the AD5449 datasheet.

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Full PDF Text Transcription

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Dual 8-,10-,12-Bit High Bandwidth Multiplying DACs with Serial Interface AD5429/AD5439/AD5449 FEATURES 10 MHz multiplying bandwidth 50 MHz serial interface 2.5 V to 5.5 V supply operation ±10 V reference input Pin compatible 8-, 10-, and 12-bit DACs Extended temperature range: −40°C to +125°C 16-lead TSSOP package Guaranteed monotonic Power-on reset Daisy-chain mode Readback function 0.5 µA typical current consumption FUNCTIONAL BLOCK DIAGRAM VREFA AD5429/AD5439/AD5449 VDD SYNC SCLK SDIN SDO CLR INPUT REGISTER LDAC DAC REGISTER SHIFT REGISTER INPUT REGISTER DAC REGISTER 8-/10-/12-BIT R-2R DAC A RFB R RFBA IOUT1A IOUT2A POWER-ON RESET 8-/10-/12-BIT R-2R DAC B IOUT1B IOUT2B RFBB 04464-0-001 RFB R LDAC VREFB Figure 1.
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