TIPD159 Reference Design

Texas Instruments

Voltage-Mode Multiplying DAC Reference Design

Description

This multiplying DAC (MDAC) circuit creates a unipolar voltage output from 0 V to 2.5 V. This design does not require dual supplies to realize a unipolar: positive output voltage as with typical MDAC circuits. This design removes the need for a negative rail by using the MDAC in “reverse” to form a binary weighted voltage divider.

Features
  •  12-bit: 0-2.5 V output  Multiplying DAC with single supply  
Applications
  • Oscilloscopes & digitizers
  • Full authority digital engine control (FADEC)
  • Lab & field Instrumentation
  • Data acquisition (DAQ)
  • Weigh scale
Product Categories
  • Data converters

Parts

Part Number Name Companion Part
DAC7811 DAC7811 Buy Datasheet
OPA192 OPA192 Buy Datasheet
REF5025 REF5025 Buy Datasheet

Software

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
TIPD159 BOM 21 Sep 2015 PDF 107
TIPD159 Schematic 21 Sep 2015 PDF 240