Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol VL CI CO BIAS MF MUTE VR GND TOF MIC + MIC GC RXI ROF RXO VCC Description Positive power line and TX Amp Output. Current input. Current output. If the line current is large, this pin dissipates excess power (current) AC signal reference voltage terminal. DTMF input. When the mute pin is “H” level, this pin.
• Low line current operation
• Mute function
• DTMF signal interface
• Easy gain control
ORDERING INFORMATION
Device KA8504 Package 16-DIP-300A Operating Temperature - 40°C ~ + 85°C
BLOCK DIAGRAM
ROF 14
RXI 13
RX INPUT AMP
RX GAIN CONTROL
RX OUTPUT AMP
15
RXO
GC 12
GAIN CONTROLLER
5
MF
10 VL 1
TX AMP
MIC+
TX GAIN CONTROL
TX AMP
11
MIC-
2 CI
3 CO
6 MUTE
9 TOF
Fig. 1
KA8504
SPEECH NETWORK WITH DIALER INTERFACE
PIN CONFIGURATION
VL CI CO BIAS MF MUTE VR GND
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
Vcc RXO ROF RXI GC MICMIC+ TOF
Fig. 2
PIN DESCRIPTION
Pin No 1 2 3 4 5.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | KA8501A |
Samsung |
SPEECH NETWORK WITH DIALER INTERFACE | |
2 | KA8503 |
Samsung Semiconductor |
Low Voltage Speech Network | |
3 | KA8507B |
Samsung |
COMPANDER | |
4 | KA8509 |
Samsung |
FM RECEIVER | |
5 | KA8512 |
Samsung |
COMPANDOR | |
6 | KA8514 |
Samsung |
FM IF RECEIVER WITH RSSI | |
7 | KA8515 |
Samsung |
FM IF RECEIVER FOR FLEX PAGER | |
8 | KA8516 |
Samsung |
FM IF RECEIVER FOR FLEX PAGER | |
9 | KA8301 |
Samsung |
MOTOR DRIVER FOR VTR | |
10 | KA8301 |
Fairchild |
Bi-Directional DC Motor Driver | |
11 | KA8304 |
Samsung |
2-PHASE DD MOTOR DRIVER | |
12 | KA8306 |
Samsung |
DUAL BRIDGE DRIVER |