| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
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National Semiconductor |
(TP5116A / TP5156A) Monolithic CODECs |
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National Semiconductor |
(TP5116A / TP5156A) Monolithic CODECs |
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National Semiconductor |
TP5088 DTMF Generator for Binary Data Y Y Y Y Y Y Y Y Y Y Direct microprocessor interface Binary data inputs with latches Generates 16 standard tone pairs On-chip 3 579545 MHz crystal-controlled oscillator Better than 0 64% frequency accuracy High group pre-emphasis Low harmonic distort |
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National Semiconductor |
TP5089 DTMF (TOUCH-TONE) Generator Y Y Y Y Y Y Y Y Y 3 5V – 10V operation when generating tones 2V operation of keyscan and MUTE logic Static sensing of key closures or logic inputs On-chip 3 579545 MHz crystal-controlled oscillator Output amplitudes proportional to supply voltage Hi |
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National Semiconductor |
Full Duplex Analog Front End for Consumer Applications Y Y Y Y Y Y Y Y Y Y Y Y Y Complete A D and D A with filter system including Serial Data Interface Encode high-pass and low-pass filter Decode low-pass filter with sin x x correction Active RC noise filters m-law compatible A D and D A Internal prec |
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