LV23401V_11 Datasheet, PDF (4/24 Pages) Sanyo Semicon Device – For Home Stereo System 1-chip Tuner IC Incorporating PLL

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 180kΩ
It connects it to 22 pin through 10kΩ
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 22kΩ
It connects it to 25 pin through 0.1μF.
Connect to GND
Input impedance 75Ω.
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