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TC7135 - 4-1/2 Digit A/D Converter

General Description

The TC7135 4-1/2 digit A/D converter (ADC) offers 50ppm (1 part in 20,000) resolution with a maximum nonlinearity error of 1 count.

An auto zero cycle reduces zero error to below 10µV and zero drift to 0.5µV/°C.

Source impedance errors are minimized by a 10pA maximum input current.

Key Features

  • Low Rollover Error: ±1 Count Max Nonlinearity Error: ±1 Count Max Reading for 0V Input True Polarity Indication at Zero for Null Detection Multiplexed BCD Data Output TTL-Compatible Outputs Differential Input Control Signals Permit Interface to UARTs and Microprocessors Blinking Display Visually Indicates Overrange Condition Low Input Current: 1pA Low Zero Reading Dri.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TC7135 4-1/2 Digit A/D Converter Features • • • • • • • • • • • • • Low Rollover Error: ±1 Count Max Nonlinearity Error: ±1 Count Max Reading for 0V Input True Polarity Indication at Zero for Null Detection Multiplexed BCD Data Output TTL-Compatible Outputs Differential Input Control Signals Permit Interface to UARTs and Microprocessors Blinking Display Visually Indicates Overrange Condition Low Input Current: 1pA Low Zero Reading Drift: 2µV/°C Auto-Ranging Supported with Overrange and Underrange Signals Available in PDIP and Surface-Mount Packages General Description The TC7135 4-1/2 digit A/D converter (ADC) offers 50ppm (1 part in 20,000) resolution with a maximum nonlinearity error of 1 count. An auto zero cycle reduces zero error to below 10µV and zero drift to 0.5µV/°C.