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CS5014 Folha de dados(PDF) 1 Page - Cirrus Logic |
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CS5014 Folha de dados(HTML) 1 Page - Cirrus Logic |
1 / 40 page Copyright © Cirrus Logic, Inc. 2005 (All Rights Reserved) http://www.cirrus.com CS5012A CS5014 CS5016 16-, 14-, & 12-bit Self-calibrating A/D Converters Features Monolithic CMOS A/D Converters – Microprocessor Compatible – Parallel & Serial Output – Inherent Track/Hold Input True 12-bit, 14-bit, and 16-bit Precision Conversion Times – CS5016: 16.25 µs – CS5014: 14.25 µs – CS5012A: 7.20 µs Linearity Error: ±0.001% FS – Guaranteed No Missing Codes Self-calibration Maintains Accuracy – Accurate Over Time & Temperature Low Power Consumption –150 mW Low Distortion Description The CS5012A/14/16 are 12-, 14-, and 16-bit mono- lithic analog to digital converters with conversion times of 7.2 µs, 14.25 µs and 16.25 µs. Unique self- calibration circuitry ensures excellent linearity and differential nonlinearity, with no missing codes. Off- set and full-scale errors are kept within 1/2 LSB (CS5012A/14) and 1 LSB (CS5016), eliminating the need for calibration. Unipolar and bipolar input ranges are digitally selectable. The pin compatible CS5012A/14/16 consist of a DAC, conversion and calibration microcontroller, oscillator, comparator, microprocessor-compatible 3-state I/O, and calibration circuitry. The input track-and-hold, inherent to the devices’ sampling architecture, acquires the input signal after each conversion using a fast-slewing, on-chip buffer am- plifier. This allows throughput rates up to 100 kSps(CS5012A), 56 kSps (CS5014), and 50 kSps (CS5016). ORDERING INFORMATION See “Ordering Information” on page 39. I CLKIN REFBUF VREF AIN AGND HOLD CS RD A0 BP/UP RST BW INTRLV CAL EOT EOC SCLK SDATA D0 (LSB) CS5016 D1 D2 (LSB) CS5014 D3 D4 (LSB) CS5012A D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 (MSB) TST DGND VD- VD+ VA- VA+ 1 24 2526 27 36 37 3839 41 4243 44 23 32 31 29 30 28 34 12 40 11 35 22 21 20 19 18 17 16 14 10 8 7 6 5 4 3 2 - + - + - + - + Clock Generator Control Calibration Microcontroller Status Register Comparator Charge Memory Redistribution DAC AUG ‘05 DS14F9 |
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Descrição semelhante - CS5014 |
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