參數(shù)資料
型號: LA1781M
廠商: Sanyo Electric Co.,Ltd.
英文描述: Single-Chip Tuner IC for Car Radios
中文描述: 單芯片調(diào)諧器IC的汽車收音機
文件頁數(shù): 11/50頁
文件大小: 567K
代理商: LA1781M
No. 6038-11/50
LA1781M
Pin No.
Function
Description
Equivalent circuit
+
27
2
μ
A
100
C2
VCC
VCC
Pin 28
A11727
28
VREF
A11728
+
32
1
μ
F
29
VREF
A11729
Continued from preceding page.
Continued on next page.
The MRC detector time constant
is determined by a 100
resistor
and C2 when discharging and by
the 2-μA current and C2 when
charging.
27
MRC control voltage time
constant
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
MRC output.
29
HCC control input
Use a resistor of at least 100 k
when controlling with the pin 32
FM S-meter signal.
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