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CS5016-AL16 Datasheet(PDF) 1 Page - Cirrus Logic |
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CS5016-AL16 Datasheet(HTML) 1 Page - Cirrus Logic |
1 / 46 page Features •• Monolithic CMOS A/D Converters Microprocessor Compatible Parallel and Serial Output Inherent Track/Hold Input •• True 12, 14 and 16-Bit Precision •• Conversion Times: CS5016 16.25 µs CS5014 14.25 µs CS5012A 7.20 µs •• Self Calibration Maintains Accuracy Over Time and Temperature •• Low Power Dissipation: 150 mW •• Low Distortion General Description The CS5012A/14/16 are 12, 14 and 16-bit monolithic analog to digital converters with conversion times of 7.2 µs, 14.25µs and 16.25µs. Unique self-calibration cir- cuitry insures excellent linearity and differential non- linearity, with no missing codes. Offset 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 select- able. 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, in- herent to the devices’ sampling architecture, acquires the input signal after each conversion using a fast slewing on-chip buffer amplifier. This allows throughput rates up to 100 kHz (CS5012A), 56 kHz (CS5014) and 50 kHz (CS5016). An evaluation board (CDB5012/14/16) is available which allows fast evaluation of ADC performance. ORDERING INFORMATION: Pages 2-45, 2-46, & 2-47 MAR ’95 DS14F6 2-7 Crystal Semiconductor Corporation P.O. Box 17847, Austin, TX 78760 (512) 445 7222 FAX: (512) 445 7581 16, 14 & 12-Bit, Self-Calibrating A/D Converters Semiconductor Corporation CS5016 CS5014 CS5012A D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 (MSB) D4 (LSB) CS5012A 6 7 8 9 12 13 14 15 16 17 18 19 D2 (LSB) CS5014 D0 (LSB) CS5016 D1 SCLK EOT EOC SDATA 2 3 4 5 37 38 39 40 D3 CLKIN CLOCK GENERATOR 20 INTRLV 34 RST 32 21 A0 23 RD 22 HOLD 1 BW 33 24 CAL 35 CS BP/UP REFBUF AGND 29 VREF 28 AIN 26 27 CHARGE REDISTRIBUTION DAC COMPARATOR VA+ VA- VD+ VD- DGND TST 25 30 11 36 10 31 + - + - + - + - CONTROL CALIBRATION MEMORY MICROCONTROLLER STATUS REGISTER Copyright © Crystal Semiconductor Corporation 1995 (All Rights Reserved) |
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