A/D converter and level shifter

Details A/D converter and level shifter A/D converter and level shifter

1998-05-12

2000-07-18

Tokar, Michael

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

326 68, 326 81, H03M 112

Patent

active

060913517

ABSTRACT:
An analog section (4) including the selector for analog input terminals, ladder resistors, a decoder for decoding the output of the ladder resistors, a chopper amplifier, and a sample and hold circuit, is operated by 5 V power-supply system. A digital section (5) that generates a control signal for controlling the operation of the analog section 4 is operated by 3.3 V power-supply system. No design change of a sensor connected from outside a microcomputer is required.

REFERENCES:
patent: 5659258 (1997-08-01), Tanabe et al.

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