LV23411V Datasheet, PDF (6/23 Pages) Sanyo Semicon Device – For Home Stereo Systems FM/AM Tuner IC

Continued from preceding page.
Pin No.
Pin name
11 VCC-Low
LV23411V
Pin voltage (V)
-
Description
when using with VCC < 6.0V, 11Pin-15 Pin is
shorted.
12 AM LCF
2.2
Terminal for AM Low-cut Filter.
R1 = 250Ω
R2 = 100kΩ
R3 = 100kΩ
R4 = 50kΩ
R5 = 50kΩ
Internal equivalent circuit
15
5V
Regulator
11
4.3V
Regulator
R4
R1
12
R2
R3
R5
13 SD-OUT
3.0
(less than 0.1)
SD indicator output pin.
Active Low output.
R = 100kΩ
14 ST-OUT
3.0
(less than 0.1)
FM stereo indicator output pin
Active Low output
R = 100kΩ
15 VCC
16 CLK_IN
17 IF AGC CAP
VCC
2.1
(OSC mode)
-
Analogue part power supply pin.
When using 8.5 to 9.5V, set to Register 1Eh Bit 1
(LEVSHIF) = 1
When using with VCC < 6.5V, set to Register 1Eh
Bit 1 (LEVSHIF) = 0
And 11Pin-15Pin must be shorted “
For internal reference clock.
32.768kHz crystal connected to GND. It is Also
applicable to input directly clock signals ( square
wave GND_reference)
R = 100Ω
This pin is for test.
Open
R1 = 1.5kΩ, R2 = 1kΩ, R3 = 500Ω
22
R
13
SD
SW
22
R
14
ST
SW
R
16
Crystal
oscillator
R1 R2 R3
18 SD-ADJ
17
-
Open normally.
Adjust pin for SD sensitivity with to kΩ resistor
connected to GND
COMP
R
18
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No.A1990-6/23