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 7.2μs, 14.25μs and 16.25μs. Unique self-calibration circuitry insures excellent linearity and differential nonlinearity, 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 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 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.

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