參數(shù)資料
型號: LA1787M
廠商: SANYO SEMICONDUCTOR CO LTD
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封裝: 14 X 14 MM, QFP-64
文件頁數(shù): 3/54頁
文件大?。?/td> 606K
代理商: LA1787M
No. 6655-11/54
LA1787M
Pin No.
Function
Description
Equivalent circuit
+
27
2
A
100
C2
VCC
Pin 28
A13571
28
VREF
A13572
+
32
1
F
29
VREF
A13573
Continued from preceding page.
Continued on next page.
The MRC detector time constant
27
MRC control voltage time
is determined by a 100
resistor
constant
and C2 when discharging and by
the 2-A current and C2 when
charging.
28
SNC control input
The sub-output is controlled by a
0 to 1-V input.
The high band frequency output is
controlled by a 0 to 1-V input.
It can also be controlled by the
29
HCC control input
MRC output.
Use a resistor of at least 100 k
when controlling with the pin 32
FM S-meter signal.
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PDF描述
LA1787M AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
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