CS5014 Datasheet | Cirrus Logic

Features z Description The CS5012A/14/16 are 12-, 14-, and 16-bit monolithic analog to digital converters with conversion times of 7.2 µs, 14.25 µs and 16.25 µs. Unique selfcalibration circuitry ensures 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 patible CS5012A/14/16 consist of a DAC, conversion and calibration microcontroller, oscillator, parator, microprocessor-patible 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 k Sps(CS5012A), 56 k Sps (CS5014), and 50 k Sps (CS5016). ORDERING INFORMATION See “Ordering Information” on page39. Monolithic CMOS A/D Converters - Microprocessor patible - Parallel & Serial Output - Inherent Track/Hold Input z z True 12-bit, 14-bit, and 16-bit Precision Conversion Times - CS5016: 16.25 µs - CS5014: 14.25 µs - CS5012A: 7.20 µs z Linearity Error: ±0.001% FS - Guaranteed No Missing Codes z Self-calibration Maintains Accuracy - Accurate Over Time & Temperature z Low Power Consumption - 150 m W z Low Distortion HOLD CS 1 23 32 31 + + + 24 RD 25 A0 BP/UP RST BW INTRLV CAL 26 27 36 37 38 39 EOT EOC SCLK SDATA 41 42 43 44 2 3 4 5 6 7 8 10 14 16 17 18 19 20 21 22 D0 (LSB) CS5016 D1 D2 (LSB) CS5014 D3 D4 (LSB) CS5012A D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 (MSB) CLKIN REFBUF VREF Clock Generator Control Calibration Memory Microcontroller Charge Redistribution DAC + parator Status Register AGND 28 VA+ 34 VA- 12 VD+ 40 VD- 11 DGND 35 TST http://.cirrus....