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LV23401V 데이터시트 PDF




ON Semiconductor에서 제조한 전자 부품 LV23401V은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 LV23401V 기능
기능 1-chip Tuner IC
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LV23401V 데이터시트, 핀배열, 회로
Ordering number : ENA1746
LV23401V
Bi-CMOS IC
1-chip Tuner IC with built-in FLL
for Home Stereo System
http://onsemi.com
Overview
The LV23401V is a AM/FM one-chip tuner IC for home stereo system.
Functions
AM tuner
FM tuner
MPX stereo decoder
FLL tuning system
Features
All the adjustment work of external parts is unnecessary.
CCB control with easy command base
External parts are reduced by LOW-IF frequency (FM=225kHz, AM=53kHz) adoption.
The high sensitivity reception is achieved in low noise MIX input circuit.
All bands of Japan-U.S.-Euro can be received by the soft program change (76MHz to 108MHz).
With built-in FLL(Frequency Locked Loop) tune function
Soft mute and stereo blend function (seven stages programmed control possible)
With built-in adjacent channel obstruction removal function
With built-in stereo pilot cancellation function
For EN55020-S1 standard (European immunity)
With built-in power save function
Semiconductor Components Industries, LLC, 2013
May, 2013
61610 SY 20100428-S00002 No.A1746-1/24




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

4페이지










LV23401V 전자부품, 판매, 대치품
Continued from preceding page.
No. Pin name
20 DI
Voltage (V)
LV23401V
Internal Equivalent Circuit
20
21 DO
21
22 VDD
23 GND3
24 L1
26 L2
3.3V
0V
4.3V
24 26
CAP
BANK
CAP
BANK
Remarks
Serial data input pin.
Input pin of the serial data transmitted by
controller.
Serial data output pin.
Serial data output pin to controller.
Logic area standard bias pin.
VDD = 3.3V
Digital area (control block) GND pin.
OSC coil connect pin.
33nH is connected between 25pin.
25 VREF2
27 SD-ADJ
28 FLL-CAP
29 GND4
30 FM-ANT
4.3V
0.1V
0V
0.9V
12
4.3V
Regulator
25
COMP
R
27
28
30
R
29
OSC area standard bias pin.
VREF2 = 4.3V
SD lighting sensitivity adjustment pin.
It connects it to GND through 22k.
R = 100
LPF pin for internal FLL control.
R = 80k
Analog (FMRF) GND pin.
FM antenna input pin.
R = 1.5k
RIN = 75
No.A1746-7/24

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