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HT7135A - 4 1/2-DIGIT PRECISION ANALOG-TO-DIGITAL CONVERTERS

General Description

The HT7135A and TLC7135A converters are manufactured with Htcsemi Instruments highly efficient CMOS technology.

These 4 1/2-digit, dual-slope-integrating, analog-to-digital converters (DACs) are designed to provide interfaces to both a microprocessor and a visual display.

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Datasheet Details

Part number HT7135A
Manufacturer HTCSEMI
File Size 165.23 KB
Description 4 1/2-DIGIT PRECISION ANALOG-TO-DIGITAL CONVERTERS
Datasheet download datasheet HT7135A Datasheet

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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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HT7135A TLC7135A 4 1/2-DIGIT PRECISION ANALOG-TO-DIGITAL CONVERTERS D Zero Reading for 0-V Input D Precision Null Detection With True Polarity at Zero D 1-pA Typical Input Current D True Differential Input D Multiplexed Binary-Coded-Decimal (BCD) Output D Low Rollover Error: ± 1 Count Max D Control Signals Allow Interfacing With UARTs or Microprocessors D Autoranging Capability With Over- and Under-Range Signals D TTL-Compatible Outputs D Direct Replacement for Teledyne TSC7135, Intersil ICL7135, Maxim ICL7135, and Siliconix Si7135 D CMOS Technology DW OR N PACKAGE (TOP VIEW) VCC – 1 REF 2 ANLG COMMON 3 INT OUT 4 AUTO ZERO 5 BUFF OUT 6 Cref – 7 Cref + 8 IN – 9 IN + 10 VCC + 11 D5 12 B1 13 B2 14 28 UNDER RANGE 27 OVER RANGE 26 STROBE 25 RUN/HOLD 24 DGTL GND 23 POLARITY 22 CLK 21 BUSY 2