S5T3170 receiver equivalent, low power dtmf receiver.
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* Detects all 16 standard tones. Low power consumption: 15mW (Typ) Single power supply: 5V Uses inexpensive 3.58MHz crystal Three .
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* PABX Central Office Paging Systems Remote Control Credit Card Systems
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Pin No 1 2 3 4 5 6 Symbol IN + IN − GS VREF IIN PDN Description Non inverting input of the internal amp. Inverting input of the internal amp. Gain Select. The output used for gain adjustment of analog input signal with a feedback resistor. Reference .
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