The CS5490 is part of the CS548x/9x family of high performance analog front end solutions for energy measurement with two (CS5490), three (CS5480) or four (CS5484) 24-bit analog to digital converters. It provides high-accuracy energy measurement at a very low price, and on-chip energy calculations and fast on-chip calibration speeds product development cycles. Flexibility in current sensors, serial communications and digital outputs ensures that the CS5490 is a fit for any application requiring high-accuracy energy measurement at a very low price.
| Part | ADC Converters | Current Sensor Options | Active Energy Accuracy | Reactive Energy Accuracy | IRMS Accuracy | SNR (dB) | Serial Comm | Digital Outputs | VREF Drift (ppm/°C) | Input Voltage (V) | Power Cons. (mW) |  Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CS5490 | 2 | Shunt / CT / Rogowski | 0.1% over 4000:1 dynamic range | 0.1% over 4000:1 dynamic range | 0.1% over 1000:1 dynamic range | 80 | UART | Single Configurable Output | 25 | 3.3 | 13 | 16 SOIC |
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