Current-sense amplifier offers power consumption and accuracy benefits
March 23, 2010 // Paul Buckley
Maxim Integrated Products has added to the company’sportfolio of high-side current-sense amplifiers (CSAs).
Designed for space-constrained portable applications, the 1 mm2 MAX9634 claims to set benchmarks for size, performance, and power consumption.
Combined with its wide (1.6 V to 28 V) input-voltage range, the features make the MAX9634 well suited for a broad selection of battery-powered devices, including smartphones, digital cameras, PDAs, MP3 cameras, and notebook computers.
The MAX9634 is optimized for compact designs that require precision monitoring. The device consumes an industry-low 1microamp of quiescent current (IQ) to conserve battery life, and it is offered in the smallest package-a tiny, 1 mm x 1 mm x 0.6 mm, 4-bump UCSP, which is 9x smaller than competing SOT23-housed devices. The device features an ultra-low ±250 microvolt (max) Vos and 0.5 percent (max) gain error. This high accuracy simplifies designs, and eliminates the need to worry about worst-case error tolerances.
The MAX9634 is fully specified over the -40 to +85 degrees Celsius extended temperature range, and is available in 4-bump UCSP and 6-pin SOT23 packages. Prices start at 0.69 US Dollars (1000-up, FOB USA).
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Internet of Things (IoT) manufacturer Ciseco has launched the Raspberry Pi ‘Wireless Inventors Kit’ (RasWIK), featuring 88 pieces to provide everything a Pi owner needs to follow a series of step-by-step projects or to create their own wireless devices, without the need for configuration or even writing code.
RasWIK has been designed to be highly accessible, demystifying the dark art of wireless and enabling anyone with basic computing skills to begin building wireless devices with a Raspberry Pi. You can create anything from a simple traffic light, to a battery monitor, or even a temperature gauge that sends data to the Xively IoT cloud so billions can access the data.This month, Ciseco is giving away twelve Raspberry Pi Wireless Inventors kits, worth £49.99 each for EETimes Europe's readers to win.
And the winners are...
In our previous reader offer, Farsens was giving away five kits for EEtimes Europe readers to evaluate its FenixVortex, Kineo and X1 wireless, battery free sensor tags.
Lucky winners include Mr A. Neil from the UK, Mr. E. Delvaux from Belgium, Mr Lengal from the Czech Republic, Mr H. Bijlsma from the Netherlands, and Mr G. Pfaff from Germany. All should be receiving their packages soon. Lets wish them some interesting findings with their projects.
December 15, 2011 | Texas instruments | 222901974
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