DS1843 Industry's smallest

DS1843 Industry's smallest fast sample-and-hold IC enables burst-mode RSSI measurements in small GPON OLTs

Highly accurate, fast sample-and-hold circuit in a 2mm x 2mm package.

SUNNYVALE, CA—October 8, 2009—Maxim Integrated Products (NASDAQ: MXIM) introduces the DS1843 fast sample-and-hold circuit in a 2mm x 2mm µDFN package. This device can capture signals of less than 300ns on its differential inputs and hold them at the output for up to 100µs. A low input offset voltage (~5mV) ensures accurate measurements. The DS1843 includes a differential, high-speed, switched-capacitor input sample stage; offset-nulling circuitry; and an output buffer. Through this integration, the IC saves considerable board space as compared to discrete approaches. The DS1843 is optimized for burst-by-burst RSSI measurement in GPON OLT systems in conjunction with an external sense resistor.

The DS1843 is fully specified over the -40°C to +85°C extended temperature range, and is packaged in a tiny, 2mm x 2mm, 8-pin µDFN. Pricing begins at $0.70 (1000-up, FOB USA).

Maxim Integrated Products is a publicly traded company that designs, manufactures, and sells high-performance semiconductor products. The Company was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. To date, it has developed over 6100 products serving the industrial, communications, consumer, and computing markets.

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