±10.5 v 16-channel programmable pulse generator using high-voltage BCD CMOS process

Chua Chin Wang, Deng Shian Wang, Tzu Chiao Sung, Yi Hong Wu, Doron Shmilovitz

Research output: Contribution to journalArticlepeer-review

Abstract

A ±10.5 V programmable pulse generator (PPG) fabricated by highvoltage (HV) BCD CMOS technology is demonstrated, where a charge pump composed of five cascaded voltage doublers is included to boost the voltage from 2.5 V to be higher than 10 V. A crossvoltage-domain operational amplifier is proposed to carry out voltage level conversion and amplification. HV analogue switches are also proposed to change the direction of output currents. The proposed 16- channel PPG is realised on silicon, where the die area is 5.43 mm2. Physical measurements justify that the maximum output current is 525 μA, and the largest voltage of the pulses is ±10.5 V.

Original languageEnglish
Pages (from-to)1797-1799
Number of pages3
JournalElectronics Letters
Volume50
Issue number24
DOIs
StatePublished - 1 Nov 2014

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