Typical application circuit of the TSS400-S1/S2

Published:2011/7/8 5:25:00 Author:Christina | Keyword: Typical application | From:SeekIC

The typical application circuit of the TSS400-S1/S2 is as shown in the figure. This system uses the 3V lithium battery (E) as the power supply, the C1 and C2 are the power-supply decoupling capacitance. The crystal frequency is 32.768kHz. The external memories uses two pieces of 512 bytes 24C04 type E2PROM. The silicon pressure sensor is in the range of dotted line. You can get the measurement accuracy that is equivalent with the voltage value of 12-bit ADC by using the temperature compensation software. The analog circuit of the figure is connected with the USDD port, and it supplies power to the sensor only when the circuit need the A/D conversion, this can save the power consumption of the whole system.



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