參數(shù)資料
型號: LA8519M
廠商: Sanyo Electric Co.,Ltd.
英文描述: I/O Switch/Voice Signal-Processing IC for Cordless Telephones
中文描述: I / O交換/語音信號處理集成電路無繩電話
文件頁數(shù): 13/29頁
文件大?。?/td> 317K
代理商: LA8519M
No. 6471-13/29
LA8519M
Continued from preceding page.
Continued on next page.
Pin No.
Pin
Notes
Equivalent circuit
Chip enable input
Data input
Clock input
Reset
Power on reset.
30
31
32
33
CE
DATA
CLOCK
RESET
30
31
32
33
V
CC
100 k
1 k
1.5 V
Logic
Pad control. The gain control based on line
current and the BN switching operating current
can be controlled by connecting this pin through a
resistor to either ground or S-V
CC
(pin 47).
34
PAD C
34
S-V
CC
22 k
4.7 k
Muting control. This pin switches the transmitted
audio and DTMF signals in the transmitter system
and the KT and received signals in the receiver
system. (Switches SW2 and SW3 in the block
diagram.) When low, the DTMF and KT signals
are enabled.
35
MUTE
35
V
SP
50 k
1 k
REF
Receiver amplifier noise figure connection
Receiver amplifier 1 output
Receiver amplifier 2 output
36
37
38
RV-NF
RV-OUT1
RV-OUT2
36
V
SP
37
10 k
10 k
REF
38
V
SP
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