Electronic Design
CSA Abets Advanced Power Management

CSA Abets Advanced Power Management

The MAX9934 current-sense amplifier (CSA) includes a chip-select pin that enables multiple MAX9934s for monitoring and multiplexing different supplies onto a single ADC channel for advanced monitoring schemes. Offered in compact UCSP and microMAX packages, the device suits notebook computers, MP3 players, smartphones, and other portables. Its auto-zeroing techniques ensure an input-offset voltage of less than ±10 mV and a gain error of less than 0.25%. Operating over a temperature range from -40°C to +125°C, the MAX9934 measures 1 mm x 1.5 mm. Prices start at $0.95 each/1,000. MAXIM INTEGRATED PRODUCTS, Sunnyvale, CA. (800) 998-8800.


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