The typical application circuit of low-power programmable sensor signal processor TSS400-S1/S2

Published:2011/6/28 7:51:00 Author:qqtang | Keyword: application circuit, low-power, signal processor | From:SeekIC

The typical application circuit of TSS400-S1/S2 is shown in the figure. This system is powered by the 3V LI battery(E), C1 and C2 is the decoupling capacitor of the power supply. The crystal frequency is 32.768KHz. The external storage is made of two pieces of 512 byte E2PROM of 24C04 type. In the dotted line frame is the silicon pressure sensor. With the temperature compensatory software, we can get the test precision and the 12-bit ADC pressure value. In the figure, all the analog wires are linked to USDD terminal, the sensor is powered only when it needs D/A conversion, by which the energy can be saved.



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