HT8870A Datasheet - HTCSEMI

Dual Tone Multi Frequency

HT8870A General Description

Operational amplifier non-inverting input Operational amplifier inverting input Operational amplifier output terminal Reference voltage output terminal “1633 Hz signal detection disable” input Power down mode input Clock oscillator input Clock oscillator output Common “Output enable” input Three-sta.

HT8870A Datasheet (142.23 KB)

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Datasheet Details

Part number:

HT8870A

Manufacturer:

HTCSEMI

File Size:

142.23 KB

Description:

Dual tone multi frequency.
HT8870A Dual Tone Multi Frequency (DTMF) Microcircuit is purposed for receiving and decoding of tone pairs from tone-pulse dialers in frequency dial.

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HT8870A Dual Tone Multi Frequency HTCSEMI

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HT8870A General Description

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