KA8503
KA8503 is Low Voltage Speech Network manufactured by Samsung Semiconductor.
FEATURES
- Adjust Sending and Receiving Attenuation Length
- Mute Function
- Side Tone Balance Network Constitution
- Low Voltage Operating
- AC Impedance Matching
- Uses in Inexpensive ponents (5 Capacitors & 10 Resistors)
- Uses a minimum of external ponents
ORDERING INFORMATION
Device KA8503 Package 18-DIP-300A Operating Temperature
- 40°C ~ + 70°C
BLOCK DIAGRAM
VDD MUTE V+ ST3 STO RXI
MIC 1 MIC 2
12 13
17 18
RXO2 RXO3
T XO
ST2
ST1
14 16
VRXO1
GR MICO TXI
Fig. 1
LOW VOLTAGE SPEECH NETWORK
PIN CONFIGURATION
V+
1 2 3 4 5 6 7 8 9...
