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參數(shù)資料
| 型號： | LV25700PM |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | AUDIO TUNER, PQFP80 |
| 封裝： | 20 X 14 MM, QIP-80 |
| 文件頁數(shù)： | 7/22頁 |
| 文件大小： | 746K |
| 代理商： | LV25700PM |
LV25700PM
No.A1709-15/68
Continued from preceding page.
Pin name
Function
Discription
Internal Equivalent Circuit
29
30
RD_DA
RD_CL
RDS demodulator signal output pins
Output Low when the RDF is OFF.
1
2
3
29
RD_DA,RD_CL pin
33
RESET
System reset pin
A low-level to this pin resets the system and
PC starts executing the program from
address 0. When power is turned on, it is
necessary to apply low-level to this pin for
50ms or more after the 8V/5V power supply
is stabilized (leaving this pin open is
inhibited).
See the RESET timing diagrams.
12
33
34
35
37
BUS
D_VCC_5V
D_GND
Power/GND pins
BUS: Power supply for the main
microcontroller interface pins.
DVCC5V, GDND: Main operating power
supply
36
VREG_3V
Internal operating low-voltage output pin
Connect a bypass capacitor to this pin.
+
D_GND(PIN37)
10
μF
32
36
38
39
40
XTAL_OUT
XTAL_IN
XTAL_GND
Pins connected to the 20.5MHz oscillating
element
XTAL_GND: X'tal oscillator circuit GND
20.5MHz
XTALGND(PIN40)
39
38
40
1
2
41
RDS_LPF
Low pass filter for RDS VCO
Used to form an external low pass filter
D_GND(PIN37)
D_VCC_5V(PIN35)
3.9nF
68nF
3.3k
Ω
D_GND(PIN37)
41
44
AM/FM
S_METER (DC)
Current drive type S-meter output
Pin 44: Eliminates the AC component by
external capacity.
Pin 57: Leaves the AC components
(Pin for NC noise extraction and for
neighboring interfering noise extraction)
57
IF_VCC(PIN74)
RF_VCC(PIN2)
FM Vsm(AC)
FM Vsm(CC)
AM Vsm(AC)
AM Vsm
(DC)
Vsm(F11)
(DC)
IF_GND(PIN72)
4k
Ω
Ω
15k
Ω
5.3k
Ω
4k
Ω
300
Ω 333Ω
44
Continued on next page.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LV25700PM-MPB-E | 功能描述:調(diào)諧器 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| LV25700PM-TBM-E | 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Tape and Reel |
| LV25-800 | 制造商:LEM 制造商全稱:LEM 功能描述:Voltage Transducer LV 25-800 |
| LV25810EB-3H | 制造商:ON Semiconductor 功能描述:CAR RADIO TUNER - Trays 制造商:ON Semiconductor 功能描述:FTRAY / CAR RADIO TUNER |
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