LA8519M Datasheet, PDF (12/29 Pages) Sanyo Semicon Device – I/O Switch/Voice Signal-Processing IC for Cordless Telephones

LA8519M
Continued from preceding page.
Pin No.
Pin
Notes
Equivalent circuit
V_CC
V_RE
18
MIC-OUT
• Microphone amplifier output
100 kΩ
19
MIC-NF
• Microphone amplifier minus input
20
19
20
MIC-IN
• Microphone amplifier plus input
18
21
NC
• Unused.
22
EVR-OUT
• EVR amplifier output
22
23
PWR-IN
• Power amplifier plus input
24
P-VREF
• Power amplifier reference voltage
(about 4/9 × P-V_CC)
25
PWR-NF
• Power amplifier minus input
27
PWR-OUT
• Power amplifier output
26
P-GND
• Power system ground
28
P-V_CC
• Power system power supply
• VOX output
29
VOX-OUT
This is an open-collector output.
P.V_CC
50 kΩ
15 kΩ
24
27
23
25
40 kΩ
V_CC
29
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