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LA8638V Datasheet(PDF) 11 Page - Sanyo Semicon Device

Part # LA8638V
Description  Low-voltage Compander IC for Cordless Telephones
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA8638V Datasheet(HTML) 11 Page - Sanyo Semicon Device

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No. 5776-11/16
LA8638V
Continued from preceding page.
Pin Number
Pin Name
Pin Voltage
Equivalent Circuit
Description
25
CMP-RCT
Full-wave rectifier output for compressor
block (AC smoothing)
Indeterminate
(when there is
no signal)
26
MIC-OUT
Microphone amplifier output
VCC/2
30
TX-LVL-ADj
Pin for setting amplification for transmitter
output level switching
VCC/2
27
MIC-IN2
Microphone amplifier negative input
VCC/2
28
MIC-IN1
Microphone amplifier positive input
VCC/2 power
supply
I/O Characteristics
Crosstalk Characteristics
Input level, VIN — dBV
Splatter Filter Frequency Characteristics
Input level, VIN — dBV
Current Drain —. VCC
Frequency, f — kHz
Power supply voltage, VCC — V
VCC = 2.4 V; resistance
TX-OUT
(pin
23)
RX → TX
(pin 23)
TX-MUTE
(pin 23)
TX
→ RX (pin 10)
RX-MUTE (pin
10)
BTL on
BTL off
Standby


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