Title :
A 12-bit Multi-Channel Non-Calibrating Dual-Mode Successive Approximation ADC for Power Management Bus (PMBus) Devices
Author :
Chiang, Cheng-Ta ; Huang, Yu-Chung
Author_Institution :
Mixed Signal Design Technol. Div., Ind. Technol. Res. Inst., Hsinchu
Abstract :
In this paper, 12-bit multi-channel non-calibrating dual-mode successive approximation ADC for PMBus devices is newly proposed. The proposed dual-mode data converter is attractive due to that all the requirements of the PMBus devices, which are high resolution, low-cost, dual-mode, multi-channel, and low power consumption for portable products, are successfully matched. Based upon the device parameters of 0.25 mum 1P5M CMOS technology with 3.3/2.5 V power supply, all the functions and performance of the proposed dual-mode data converter for PMBus are successfully tested and proven through SPICE simulations and verified in the measurements. The area of this chip is 1.64 times 1.56 mm2 and the measured power consumption is 1.683 mW. The proposed dual-mode data converter is suitable for power monitoring systems, such as PMBus devices.
Keywords :
CMOS integrated circuits; SPICE; analogue-digital conversion; power consumption; power system measurement; ADC; CMOS technology; PMBus; SPICE simulations; analogue-digital conversion; dual-mode data converter; power consumption; power management bus devices; power monitoring systems; Area measurement; CMOS technology; Energy consumption; Energy management; Monitoring; Power measurement; Power supplies; SPICE; Semiconductor device measurement; Testing; HSPICE; PMBus; data converter; power management; successive approximation ADC;
Conference_Titel :
Instrumentation and Measurement Technology Conference Proceedings, 2008. IMTC 2008. IEEE
Conference_Location :
Victoria, BC
Print_ISBN :
978-1-4244-1540-3
Electronic_ISBN :
1091-5281
DOI :
10.1109/IMTC.2008.4547101
