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The CS5540 is a low-power, low-voltage Delta-Sigma analog-to-digital (A/D) converter that achieves highly accurate conversions using a simple non-programmable interface that is easy to understand and use. It is optimized to convert analog signals in DC measurement applications such as temperature and pressure measurement, as well as various portable devices for which low-power consumption is required. To accommodate these applications, the A/D converter integrates analog input and reference buffers for increased input impedance and a 2-channel multiplexer. The CS5540 includes a digital filter, which achieves simultaneous rejection of 50 Hz/60 Hz signals and provides single-conversion settling at 6.7 samples per second (SPS) throughput. Absolute accuracy is achieved via continuous internal self-calibration. The device draws a nominal 330 µA. Low power, low-voltage operation and a simple serial interface make the CS5540 an ideal device for low-cost, power-conscious DC measurement applications. |
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| Status: Not Recommended for New Designs |
The CS5540 is a low-power, low-voltage Delta-Sigma analog-to-digital (A/D) converter that achieves highly accurate conversions using a simple non-programmable interface that is easy to understand and use. It is optimized to convert analog signals in DC measurement applications such as temperature and pressure measurement, as well as various portable devices for which low-power consumption is required.
To accommodate these applications, the A/D converter integrates analog input and reference buffers for increased input impedance and a 2-channel multiplexer.
The CS5540 includes a digital filter, which achieves simultaneous rejection of 50 Hz/60 Hz signals and provides single-conversion settling at 6.7 samples per second (SPS) throughput. Absolute accuracy is achieved via continuous internal self-calibration. The device draws a nominal 330 µA.
Low power, low-voltage operation and a simple serial interface make the CS5540 an ideal device for low-cost, power-conscious DC measurement applications.
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