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參數(shù)資料
| 型號(hào)： | LV23401V |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO30 |
| 封裝： | 0.275 INCH, SSOP-30 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大小： | 594K |
| 代理商： | LV23401V |
LV23401V
No.A1746-4/24
Pin function
pin
pin name
Description
Remark
DC_bias
1
AM ANT
AM antenna
It connects it to 2pin through the matching coil or the bar antenna.
2
AM ref
AM reference voltage
It connects it to 1pin through the matching coil or the bar antenna.
2.0V
3
AM CAP
AM capacitor bank
It connects it to GND through an external inductor of recommendation 240μH.
4
GND1
AM antenna GND
Connect to GND
5
Vref1
Analog reference voltage
It connects it to GND through the capacitor of 1μF.
6
MPX OUT
Detected output
LC72725 and connection when RDS is used
7
AM AGC
It connects it to GND through the capacitor of 4.7μF
8
GND2
Analog GND
Connect to GND
9
L OUT
L-ch audio output
10
R OUT
R-ch audio output
The DC level changes by setting Resistor 1Eh bit1 (LEVSHIF) to adjust the output level
according to the VCC potential.
11
VCC Low
Low voltage mode
It is short with 15pin when using it with VCC < 6.0V or less.
12
AM LCF
AM low cutting filter
It connects it to GND through the capacitor of 0.047μF
13
SD OUT
SD detecting phase output
14
ST OUT
ST detecting phase output
15
VCC
Supply voltage
16
CLK IN
Reference clock input
The crystal is recommended to be used.
It is also possible to input directly clock signals (square wave GND standard).
17
ST ADJ
Pilot margin adjustment pin
It connects it to GND through 180k
18
CE
address/data switching
timing
19
CL
Communication clock
20
DI
Data input
21
DO
Data output
It connects it to 22 pin through 10k
22
Vref2
VDD voltage output
3.3V voltage output pin.
It is also possible to supply the current to other IC up to 10mA.
23
GND3
Logic GND
Connect to GND
24
L1
Local oscillation circuit
It connects it to 25 pin through 33nF.
25
Vref3
Reference voltage for local
oscillation circuit
It connects it to GND through the capacitor of 100μF
26
L2
Local oscillation circuit
It connects it to 25 pin through 33nF.
27
SD ADJ
SD = ON sensitivity
adjustment pin
It connects it to GND through 22k
28
FLL CAP
FLL low pass filter
It connects it to 25 pin through 0.1μF.
29
GND4
FM antenna GND
Connect to GND
30
FM ANT
FM antenna
Input impedance 75.
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