CS5550 PRODUCT BULLETIN New Low-Cost IC Designed for Electronic Weigh-Scale Applications Delivers Precise Measurements at Mass-Market Prices CS5550 Features n Output word rate: 2.44 – 4 kSps n 24-bit A/D registers on both channels n Channel 1: 13 ENOBs n Channel 2: 10 ENOBs n Power consumption: <12 mW n Adjustable input range on channel 1 n Ground-referenced signals with single supply n On-chip 2.5 V reference: (typ 25 ppm / °C) n Simple 3-wire digital serial inter face n n Power supply configurations: n VA+ = +5 V n AGND = 0 V n VD+ = +3.3 V to +5 V CS5550 Benefits n Offset and gain calibrations on both channels n Package: 24-pin SSOP n CS5550 Price: $1.27 (100K) n Easy to design n Value priced n Highly integrated analog front end n Small footprint The CS5550 enables weigh-scale manufacturers to provide accurate, cost-effective solutions for their customers. This new IC from Cirrus Logic is an integrated device that combines two ∆Σ A/D converters, two amplifiers and a serial inter face on a single chip. Actual Size For communication with a micro-controller , the IC featur es a bidirectional serial inter face, which is initialized and fully functional upon reset. The device also offers excellent temperature stability for long-life operation. The CS5550 delivers precise measurements and is ideal for electronic weigh-scale applications. Cirrus Logic, Inc. 2901 Via Fortuna Austin, TX 78746 USA T (512) 851-4000 T (800) 888-5016 F (512) 851-4977 © 2003, Cirrus Logic, Inc. All rights reser ved. Cirrus, Cirrus Logic, and Leading the Digital Entertainment Revolution are trademarks of Cirrus Logic, Inc. Other brand and product names may be trademarks or ser vice marks of their respective owners. For more information, visit us at www.cirrus.com 0106-0903-PB-LP