Datasheet Details
| Part number | HT8870A |
|---|---|
| Manufacturer | HTCSEMI |
| File Size | 142.23 KB |
| Description | Dual Tone Multi Frequency |
| Datasheet |
 HT8870A Datasheet
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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
Key Features
- - Supply voltage UCC = (2,5.
- 5,5) V - No external filter is required - Low-cost 3,58 MHz resonator is used - 1633 Hz signal detection inhibit - 3 state data output - Power down mode - Temperature range -20 …+ 75 °C - Permissible electrostatic discharge potential 500V 18 18 1 DIP18 WSOP18 Rev. 00 HT8870A Pin number 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 Symbol VP VN GS VREF INH PWDN X1 X2 VSS OE DO D1 D2 D3 DV EST RT/GT VCC.