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參數(shù)資料
| 型號： | LA8638V |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Low-voltage Compander IC for Cordless Telephones |
| 中文描述： | 低電壓擴展器集成電路無繩電話 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大小： | 399K |
| 代理商： | LA8638V |
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
V
CC
/2
30
TX-LVL-ADj
Pin for setting amplification for transmitter
output level switching
V
CC
/2
27
MIC-IN2
Microphone amplifier negative input
V
CC
/2
28
MIC-IN1
Microphone amplifier positive input
V
CC
/2 power
supply
I/O Characteristics
Crosstalk Characteristics
Input level, V
IN
— dBV
Splatter Filter Frequency Characteristics
Input level, V
IN
— dBV
Current Drain —. V
CC
Frequency, f — kHz
Power supply voltage, V
CC
— V
O
O
—
R
C
C
C
—
m
V
CC
= 2.4 V; resistance
TX-OUT(pn23)
TXDTOUT(i 3
R-U i1)
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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