A simple digital thermometer circuit with out a micro controller and having a seven segment LED read out is shown here. The IC has an internal timing circuitry and hold function. When the hold function is enables, the output IC latches itself to the present state. It can directly drive a seven segment display and there is no need for current limiting resistors. LM35 is a three terminal precision temperature sensor IC from National semiconductors.
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The CA is supplied in the fead dual-in-line plastic package E suffix. The CA is also. Abstract: No abstract text available Text: Levels The CAE is a monolithic integrated circuit that performs the BCD to seven segment decoding , CAE provides a complete digital readout system with a minimum number of external parts. The CA is supplied in the 16 lead dual in line plastic package E suffix. August , Standby Power Dissipation. When , that provide a 3 digit multiplexed BCD output. This capacitor should be placed as close as possible to the power and ground Pins of the CA E.
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