8-channel, 16-bit, 200mA current output DAC reference design

(ACTIVE) TIDA-01525

Description & Features

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Key Document

Description

This reference design combines the small size and high performance of the DAC80508 8-channel, 16-bit digital-to-analog converter (DAC) with precision op-amps to create a high-density and accurate current-source solution. The reference design has an maximum output current of 200 mA and allows for a minimal PVDD supply voltage to reduce power consumption for high efficiency. It also features a low current-noise output due to the low reference-voltage noise of the DAC80508 and low voltage and current noise of the OPA2376. 

Features
  • Eight channels of programmable current, 200-mA range
  • High channel density
  • <1.5% total unadjusted error
  • <120-µA offset error
  • 3.4-µA RMS bandwidth-limited current noise

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD13381F4  12V, N-Channel FemtoFET™MOSFET  MOSFETs  Sample & Buy Not Available
CSD23285F5  12V P-Channel FemtoFET MOSFET  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
DAC80508  8-channel, true 16-bit, SPI, voltage-output DAC with precision internal reference  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
OPA2376  Precision, Low Noise, Low Quiescent Current Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DAC80508 Download Download
OPA2376 Download Download
Download Download
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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1810 30 Nov 2018 0
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 1706 30 Nov 2018 0
ZIP 904 30 Nov 2018 0
PDF 657 30 Nov 2018 0
PDF 174 30 Nov 2018 0
PDF 45 30 Nov 2018 0
PDF 317 30 Nov 2018 0

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