參數(shù)資料
型號(hào): LV25700PM
廠商: SANYO SEMICONDUCTOR CO LTD
元件分類(lèi): 調(diào)諧器
英文描述: AUDIO TUNER, PQFP80
封裝: 20 X 14 MM, QIP-80
文件頁(yè)數(shù): 5/22頁(yè)
文件大?。?/td> 746K
代理商: LV25700PM
LV25700PM
No.A1709-13/68
Continued from preceding page.
Pin name
Function
Discription
Internal Equivalent Circuit
13
Antenna Damping
Drive pin
Pin 13: Antenna damping current flows
when the RF AGC voltage becomes VCC-
Vbe.
13
300
Ω
300
Ω
75k
Ω
RF_VCC(PIN2)
RF_GND(PIN12)
14
VCO_GND
GND
15
OSC VCC
(OSC)
VCC = 8V
16
17
OSC1
OSC2
OSC pin
17
16
0.5k
Ω
0.8k
Ω
100k
Ω
DAC
IRR_SW
200k
Ω
0.5k
Ω
0.5k
Ω
5k
Ω
5k
Ω
RF_GND(PIN12)
OSC_VCC(PIN15)
18
SIGNAL QUARITY
(UNDESIRE DET)
DC smoothing is performed by the output
impedance and external capacity.
Note that too large capacity will reduce the
responsiveness of the IF filter as the
voltage of this pin is also used to control the
IF filter.
33k
Ω
0.5k
Ω
18
1k
Ω
22k
Ω
0.5k
Ω
IF_GND(PIN72)
IF_VCC(PIN74)
3mA
Continued on next page.
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