Dual Polarity High-Voltage Differential Input Interface for Low-Voltage Comparators Reference Design TIPD130 (ACTIVE)

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Key Document

Description

This TI Verified Design provides the theory, component selection, simulation, schematic, PCB layout, BOM, and measured performance for a dual polarity (bipolar), high-voltage differential input interface for low-voltage comparators.  The design allows a comparator such as the TLV3201 to operate with a single +3.3 V supply and to compare two input voltages that not only exceed its normal input range, but can be of either (±) polarity. The design takes into account all the comparator and passive component errors and results in <10 mV, of dc input error. Worst-case analyses techniques are provided to determine the dc error contributed by limited resistor tolerance, for the resistors used in the comparator input networks.

Features

• TI Precision Designs: Verified Design includes Theory, Component Selection, TINA-TI Simulation, PCB Schematic & Layout, Bill of Materials, and Measured Performance
• DC error due to comparator and passive components less than +/-10 mV
• Input range +/-15 V, bipolar
• Single-Supply Solution
• Features TLV3201 comparator
• Design can also be used with TLV3011, TLV3012, TLV3401 and TLV3701 comparators to achieve alternate design goals


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Design Files

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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TLV3201  40ns, micro-Power, Rail-to-Rail Input, Single-Channel Comparator with Push-Pull Outputs  Amplifiers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TLV3201 Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 2080 10 Dec 2014
Design files (3)
Title Type Size (KB) Date
ZIP 379 10 Dec 2014
PDF 27 10 Dec 2014
PDF 133 10 Dec 2014
Related Tools & Software

Software (2)



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