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GENERAL DESCRIPTION

The TC520A Serial Interface Adapter provides logic control for TelComs TC500/500A/510/514 family of dual slope, integrating A/D converters. It directly manages TC500 converter phase control signals A, B, and CMPTR thereby reducing host processor task loading and software complexity. Communication with the TC520A is accomplished over a 3 wire serial port. Key converter operating parameters are programmable for complete user flexibility.

FEATURES

■ Converts TC500/500A/510/514 to Serial Operation

■ Programmable Conversion Rate and Resolution for Maximum Flexibility

■ Supports up to 17 Bits of Accuracy Plus Polarity Bit

■ Low Power Operation: Typically 7.5mW

■ 14-Pin DIP or 16-Pin SOIC Packages

■ Polled or Interrupt Mode Operation