LV23411V Datasheet, PDF (4/23 Pages) Sanyo Semicon Device – For Home Stereo Systems FM/AM Tuner IC

LV23411V
Pin descriptions
Pin
Pin name
I/O
1 AM-ANT
I
2 AM-REF
O
3 AM-CAP
I
Descriptions
AM antenna input
Reference voltage for AM part
AM capacitor bank
4 GND1
5 VREF1
6 MPX IN_OUT
7 AM RF-AGC
8 GND2
9 L-OUT
- AM antenna GND
O Reference voltage for analog
O Demodulato output
O AM RF AGC output
- Analog GND
O Audio Lch output
10 R-OUT
O Audio Rch output
11 VCC-Low
12 AM LCF
- Voltage supply pin at low voltage operation
mode
O AM low_cut filter
13 SD-OUT
O SD indicator output
14 ST-OUT
O ST indicator output
15 VCC
16 CLK_IN
- Voltage supply pin
I Reference clock input
17 IF AGC CAP
18 SD-ADJ
- IF-AGC monitor point (test)
- Adjustment for SD on level
19 NC
20 SCL
21 SDA
22 VREF2
I
I I²C interface CLK input
I/O I²C interface Data input/output
O Output voltage pin for VDD
23 GND3
24 L1
25 VREF3
26 L2
27 GND4
28 FLL-CAP
29 GND5
30 FM-ANT
- Digital GND for control part
- Local oscillator
O Reference voltage for local OSC part
- Local oscillator
- Analog GND for OSC part
- Oscillator tuning voltage output
- Analog GND for FMRF part
I FM antenna input 1
Remarks
Connect to pin2 through Matching coil or Ferrite antenna.
Connect to pin1 through Matching coil or Ferrite antenna.
Exteranal inductor (recommendation value) is connected
between this pin and GND.
Connected to GND
Capacitor of 1μF is connected between this pin and GND.
When RDS used, LC72725 is applicable
Capacitor of 1μF is connected between this pin and GND.
Connected to GND
According to the VCC_application, Reference Output_level
setting is cangeable by Register Bit.
Register 1Eh bit 1 (LEVSHIF) =1:
Register 1Eh bit 1 (LEVSHIF) =0:
When using VCC < 6V, Connect to Pin15 directly
DC voltage
-
2.2V
-
0V
4.3V
2.5V
-
0V
2.6V
(3.7V)
-
Capacitor of 0.047uF is connected between this pin and
GND.
Active low output
Active low output
32.768kHz crystal connected to GND.
It is Also applicable to input directly clock signals ( square
wave GND_reference)
Open
Incase of changing SD on level, put Resistor between this
pin and GND.
VDD output_pin of 3.0V.
This pin is applicable to supply the current other IC up to
10mA.
39nH connected to pin 25
39nH connected to pin 25
Connected to GND
Capacitor of 0.1μF is connected between this pin and
GND.
Connected to GND
Input impedance is 75Ω
2.2V
3.0V
(0.1V)
3.0V
(0.1V)
-
-
-
-
-
-
-
3.0V
0V
-
5.0V
-
0V
-
0V
0.8V
No.A1990-4/23