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PDF LV24230LS Data sheet ( Hoja de datos )
| Número de pieza | LV24230LS | |
| Descripción | 1-Chip FM Tuner IC | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA1989
LV24230LS
Bi-CMOS LSI
Compact Portable Equipment
1-Chip FM Tuner IC
Overview
The LV24230LS is an I2C-controlled single-chip FM tuner IC that integrates external components which are necessary for
tuning in a compact VQLP package with dimensions of only 3.5×3.5×0.85mm3. Equipped with a state machine, the
LV24230LS has the capability to perform automatic tuning/seek and dissipates less power than conventional
LV24000series tuner ICs.
Features
• FM FE
• FM IF
• MPX stereo decoder
• Tuning
• Standby
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum input voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
VDD max
VIN1 max
VIN2 max
Pd max
Topr
Tstg
Conditions
Analog block supply voltage
Digital block supply voltage
SCL, SDA, Int
External_clk_in
Ta ≤ 70°C
Ratings
5.0
4.0
VDD+0.3
VDD+0.3
140
-20 to +70
-40 to +125
Unit
V
V
V
V
mW
°C
°C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment. The products mentioned herein
shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,
aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,
safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives
in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any
guarantee thereof. If you should intend to use our products for new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the
intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely
responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
O1211 SY 20080801-S00007 No.A1989-1/17
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
LV24230LS
Pin Function
Pin No.
1
Pin name
FM-ANT1
2 FM-ANT2
3 VI/O
4 VDD
5 INT
6 SDA
7 SCL
8 Package-GND
9 Package-GND
10 Package-GND
11 Package-GND
12 Ext_CLK_IN
13 VCC
14 NC
15 Vstabi.
16 NC
17 MPX
18 LINE-OUT-R
19 LINE-OUT-L
20 Package-GND
21 Package-GND
22 Package-GND
23 Package-GND
24 GND
Description
Antenna input
Antenna GND
Digital interface supply voltage
Digital supply voltage
Interrupt line
Digital interface DATA ine)
Digital interface Clock line)
GND for package-shield
GND for package-shield
GND for package-shield
GND for package-shield
Reference clock-source input
for measurement
Analog supply voltage
Stabilizer voltage
MPX-signal output
Radio Rch Line-output
Radio Lch Line-output
GND for package-shield
GND for package-shield
GND for package-shield
GND for package-shield
GND (Analog and Digital GND)
Pin voltage
1V
1V
2.6V
2.3V
1.2V
1.2V
Supplement
Antenna input pin
Antenna input pin. For pin 1 single input, pin 2 is set to AC_GND
via capacity
Power pin dedicated to the interface input/output elements
Power pin for digital block
Output pin dedicated to interrupt
(hardware output: used for options)
Addition of pull-up or pull-down resistor recommended to cope
with initial instability
Bidirectional data line. Pull up to Vio line with 2.2k resistor
Clock wire. Pull up to Vio line with 2.2k resistor
BND pin for package shield
BND pin for package shield
BND pin for package shield
BND pin for package shield
External standard CLK input pin. Connect X’tal, if used, to GND.
(CITIZEN CFS-206, CM31S recommended)
Power pin for analog (tuner) block
Keep this open.
Local oscillator reference bias pin. NC pin to be used
Keep this open.
Stereo decoder input monitor pin. NC pin to be used
Audio R_ch output
Audio L_ch output
GND pin for package shield
GND pin for package shield
GND pin for package shield
GND pin for package shield
GND pin for analog (FM tuner) block and digital (control) block
No.A1989-5/17
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LV24230LS
Register 0Fh – RADIO_CTRL3 – Radio control 3 (Read/Write)
76543
IPOL
bit 7 :
SM_IE
RAD_IE
IPOL : Interrupt (IRQ) Polarity
0 = IRQ active high
1 = IRQ active low
SD_PM
nIF_PM
bit 6 :
SM_IE : Command end interrupt
0 = Disable
1 = Enable
bit 5 :
RAD_IE : Radio Interrupt (field strength/stereo changes)
0 = Disable
1 = Enable
bit 4 :
SD_PM : Stereo decoder clock PLL mute
0 = SD PLL On (Normal Operation)
1 = SD PLL Off (Adjustment)
bit 3 :
nIF_PM : IF PLL mute
0 = IF PLL Off (Adjustment)
1 = IF PLL On (Normal Operation)
bit 2-1 :
EXT_CLK_CFG [1 : 0] : External Clock Setting
EXT_CLK_CFG [1 : 0]
00
01
10
11
Reference clock
Off
32768Hz crystal oscillator
Oscillator clock source / 32
(for high frequency source)
Oscillator clock source
(for low frequency source)
bit 0 :
PW_RAD : Radio Circuit Power
0 = Power Off (Stand-by).
1 = Power On
Note : At the time of start, PW_RAD becomes 0 (Stand-by)
Register 10h – TNPL – Tune position low (Read-Only)
76543
TUNEPOS [7 : 0]
bit 7-0 :
TUNEPOS [7 : 0] : Current RF Frequency (Low 8bit)
21
EXT_CLK_CFG [1 : 0]
0
PW_RAD
210
No.A1989-11/17
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
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