The TP5089 is a low threshold voltage field-implanted metal gate CMOS integrated circuit It interfaces directly to a standard telephone keypad and generates all dual tone multi-frequency pairs required in tone-dialing systems The tone synthesizers are locked to an on-chip reference oscillator using an inexpensive 3 579545 MHz crystal for high tone accuracy T.
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 High group pre-emphasis Low harmonic distortion Open emitter-follower low-impedance output SINGLE TONE INHIBIT pin
Block Diagram
TL H 5057
– 1
FIGURE 1
C1995 National Semiconductor Corporation
TL H 5057
RRD-B30M115 Printed in U S A
Absolute Maximum Ratings
If Military Aerospace specified devices are required please contact the National Semicon.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | TP508 |
Total Power International |
(TP501 - TP525) Single and Dual Output DC-DC Converters | |
2 | TP5088 |
National Semiconductor |
TP5088 DTMF Generator for Binary Data | |
3 | TP5000 |
ETC |
2A Switching 4.2V lithium battery lithium iron / 3.6V Battery charger | |
4 | TP5002 |
HGSemi |
HG RF POWER TRANSISTOR | |
5 | TP501 |
Total Power International |
(TP501 - TP525) Single and Dual Output DC-DC Converters | |
6 | TP502 |
Total Power International |
(TP501 - TP525) Single and Dual Output DC-DC Converters | |
7 | TP503 |
Total Power International |
(TP501 - TP525) Single and Dual Output DC-DC Converters | |
8 | TP504 |
Total Power International |
(TP501 - TP525) Single and Dual Output DC-DC Converters | |
9 | TP505 |
Total Power International |
(TP501 - TP525) Single and Dual Output DC-DC Converters | |
10 | TP506 |
Total Power International |
(TP501 - TP525) Single and Dual Output DC-DC Converters | |
11 | TP507 |
Total Power International |
(TP501 - TP525) Single and Dual Output DC-DC Converters | |
12 | TP509 |
Total Power International |
(TP501 - TP525) Single and Dual Output DC-DC Converters |