29577_CS5466 5/24/05 2:59 PM Page 1 CS5466 CS5466 8.2 mm 8.5 mm IC Dimensions (maximum—pins included) Residential Power-Meter Designers Impressed with New IC’s Features and Performance Accurate Performance & Long-Life Operation • Energy data linearity: ±0.1% of reading over 1000:1 dynamic range • On-chip functions: measures energy and performs energy-to-pulse conversions • Meets accuracy spec for IEC-687/1036 • Current Channel Features • 24-bit, fourth-order, Delta-Sigma A/D converter for precise measurements • High-pass filter • Four input gain range options • On-chip 2.5 V reference (tempco 25 ppm/°C typ) Cirrus Logic CS5466 The Cirrus Logic® CS5466 is an ideal Proven Technology Ensures Accuracy and Reliability low-cost solution for electronic resi- The CS5466 includes a 2.5 V on-chip dential power-meter applications. reference that is optimized for simple- The new IC provides multiple gain function meters. A superior 24-bit, ranges, an energy-to-frequency con- fourth-order, Delta-Sigma A/D con- verter, energy-pulse outputs, and verter delivers accurate readings. configurable-pulse outputs for a step- The CS5466 also provides excellent per motor or mechanical counter. This energy data linearity (1000:1 dynamic impressive single-chip integration range, ±0.1% of reading). Outstanding eliminates the inconvenience and temperature stability results in long-life expense of a separate microproces- operation, which improves end-user sor or EEPROM—which saves BOM satisfaction and minimizes warranty costs, reduces design time and results expenditures. High Integration Delivers Big Savings • On-chip energy direction indicator in improved power-meter product • 24-pin SSOP package margins. Accurate performance and long-life operation in a low-cost design—the CS5466 delivers precisely what is needed to succeed in the electronic residential power meter market. www.cirrus.com C i r r u s L o g i c , I n c . · 2 9 0 1 V i a F o r t u n a · A u s t i n T X 7 8 74 6 U S A · T 5 1 2 - 8 5 1 - 4 0 0 0 · T 8 0 0 - 8 8 8 - 5 0 1 6 · F 5 1 2 - 8 5 1 - 4 9 7 7 Product Bulletin 0146-0904-PB-LP © 2004 Cirrus Logic, Inc. All rights reserved. Product information is subject to change without notice. Cirrus Logic is a trademark of Cirrus Logic, Inc. Other brand and product names may be trademarks or service marks of their respective owners.