LA8519M Datasheet, PDF (10/29 Pages) Sanyo Semicon Device – I/O Switch/Voice Signal-Processing IC for Cordless Telephones

Pin Functions
Pin No.
Pin
LA8519M
Notes
1
RF1-OUT
2
RF2-OUT
3
DOOR-OUT
• These are the IC outputs.
4
CDC1-OUT
5
CDC2-OUT
V_REF
CP-SW
Equivalent circuit
V_CC
10 kΩ
10 kΩ
12
3
4
5
V_CC
6
• Adjusts the ALC time constants
6
ALC-CNT
This pin can be used to adjust the ALC attack time
and recovery time.
7
BEEP-IN
• Beep tone amplifier input
8
OSC-IN
• Oscillator amplifier input
58
RF1-IN
• Compander 1 input
59
RF2-IN
• Compander 2 input
63
CDC2-IN
• CDC2 amplifier input
V_CC
V_REF
87
58
59
63
30 kΩ
30 kΩ
9
GND
Signal-processing system ground
V_CC
V_REF
• ALC input. The PRE output (pin 11) is input to this
10
ALC-IN
pin through a coupling capacitor. The ALC level
can be adjusted by inserting a resistor in series.
24 kΩ
10
10 kΩ
Continued on next page.
No. 6471-10/29