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CS5321 数据表(PDF) 1 Page - Cirrus Logic |
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CS5321 数据表(HTML) 1 Page - Cirrus Logic |
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1 / 38 page  Preliminary Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. 1 Copyright © Cirrus Logic, Inc. 1999 (All Rights Reserved) P.O. Box 17847, Austin, Texas 78760 (512) 445 7222 FAX: (512) 445 7581 http://www.cirrus.com CS5320/21/22 24-Bit Variable Bandwidth A/D Converter Chipset Features l CMOS A/D Converter Chipset l Dynamic Range - 130 dB @ 25 Hz Bandwidth - 121 dB @ 411 Hz Bandwidth l Delta-Sigma Architecture - Fourth-Order Modulator - Variable Oversampling: 64X to 4096X - Internal Track-and-Hold Amplifier l CS5321 Signal-to-Distortion: 115 dB l Clock Jitter Tolerant Architecture l Input Voltage Range: +4.5 V l Flexible Filter Chip - Hardware or Software Selectable Options - Seven Selectable Filter Corners (-3 dB) Frequencies: 25, 51, 102, 205, 411, 824 and 1650 Hz l Low Power Dissipation: <100 mW Description The CK5320 and CK5321 Chipsets function as a unique A/D converter intended for very high resolution measure- ment of signals below 1500 Hz. The CK5320 Chipset is a cost effective commercial grade solution for applica- tions which require a high dynamic range A/D converter. The chipsets perform sampling, A/D conversion, and anti-alias filtering. The CS5320 and CS5321 use Delta-Sigma modulation to produce highly accurate conversions. The ∆Σ modula- tor oversamples, virtually eliminating the need for external analog anti-alias filters. The CS5322 linear- phase FIR digital filter decimates the output to any one of seven selectable update periods: 16, 8, 4, 2, 1, 0.5 and 0.25 milliseconds. Data is output from the digital fil- ter in a 24-bit serial format. ORDERING INFORMATION* * Refer to Table 5 Chip Sets Kits CS5320-KL & CS5322-KL CK5320-KL1 CS5321-BL & CS5322-KL CK5321-KL1 CS5321-BL & CS5322-BL CK5321-BL1 RSEL Vdd1 AINR AIN+ AIN- Vss1 AGND Analog Modulator MDATA MCLK MFLG RESET R/W H/S SCLK SID SOD ERROR DRDY ORCAL DECA DECB DECC CS CLKIN SYNC VD+ TDATA PWDN USEOR DGND VD+ DGND CSEL Digital Filter CS5320/21 CS5322 Vss2 DGND Vdd2 LPWR OFST MDATA HBR MSYNC VREF+ VREF- OCT ‘99 DS454PP1 |
类似零件编号 - CS5321 |
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类似说明 - CS5321 |
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