330nA Current Bias with Trimming Ultra Low Voltage, Ultra Low Power, 0.13μm TSMC

This macro-cell is a low power voltage reference and a current generator with precise temperature coefficient.

Trimming capability allows process variation compensation of the voltage reference level and current TC.

The CM1227hh has a voltage reference output at 1.2V ±5%, and three CTAT current outputs with TC of – 1.3m◦C−1, one source at 10nA and two sinks at 25nA and 50nA.

The IP provides a calibration word which serves to trim the current outputs TC and to calibrate the voltage output

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