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Car Audio Built-in PLL
Car Audio Built-in PLL
Car Audio Built-in PLL
Tuner System Chipsets (1)
Tuner System Chipsets (1)
Tuner System Chipsets (1)
.............Under development
Microcontroller Tuner IC
Microcontroller Single-Chip
Car Tuner with On-Chip PLL Circuit
LV25200M
P37
• No external FM RF amplifier required
• Adjacent channel noise reduction variable
band filter
• AM noise canceller
• Tuner supports all broadcast band
standards used worldwide
• Meets the new FCC regulations
• Tuner specifications can be modified by
changing the microprocessor software
• Auto-adjustment system
Automatic adjustment achieved by
connecting the line computer and the
E
2
PROM through the microprocessor
• Best receiving system
Optimizes the tuner functions in real time
according to the reception conditions
• Improved performance and reliability,
circuit simplification, and design
standardization achieved by the adoption
of a microprocessor controlled tuner
• On-chip PLL circuit
• Package: QFP80 (14
14)
LCD drivers
VFD drivers
All products described in this catalog contain developed products or
products that are diverted from general types. In accordance with standard
of quality management system ISO/TS16949 for automotive industry, there
is a case where all demanded articles couldn't be supported, so please
confirm to the salesman of our company at every order.
Extensive lineup provides full support for a wide range of systems
AM/FM Tuner Block
Varactor diodes for AM tuning
SVC354 (3 diodes), SVC364 (4 diodes), SVC371 (6 diodes)
Varactor diodes for FM tuning
SVC230 (CR (C2.0V/C8.0V) 1.65, Q 100)
SVC243 (CR (C1.0V/C6.5V) 7.0, Q 40)
SVC272 (CR (C2.0V/C8.0V) 2.3, Q 150)
35 Car Audio
Microcontroller single-chip car tuner with on-chip PLL circuit
LV25200M
P37
P37
Analog block
FM-IF
FM/AM noise
FM front end
demodulator
MRC
AM tuner
(multipath
(double conversion)
reject circuit)
Digital block
CCB*
9-bit 1-channel
bus interface
D/A converter
PLL
•AM double-conversion support circuit
•High-speed lockup circuit
•Dead zone control
•Oscillator division circuit
CCB
CCB
Microcontroller
P23 to 26
LC875 Series
2
E
PROM
SVC273 (CR (C2.0V/C8.0V) 3.1, Q 100)
*: SV272, SV273: MCPH3 miniature package (2.1
2.0 mm)
JFET and transistors for AMP amplifiers
CPH5901 (high gain, typ 50 ms), CPH5905 (High ESD resistance type)
Dual gate MOSFETs for FM amplifiers
3SK263 (V DS = 15 Vmin, I DSX = 2.4 to 24 mA, yfs = typ 14 ms),
3SK264 (VDS = 15 V, I DSX = 5.0 to 24 mA, yfs = typ 17 ms)
External
amplifier
Line amplifier
LA2901V
P40
Sensor
canceler
SW
Surround
processor ICs
L
LA2655V*
output
Conditional
FM-MPX
Products
stereo
P38
demodulation
R
LA2657M*
output
(built-in
electronic
volume)
P39
instrument
line computer
P1 to 2
CARNET
P3
LA2330W
P4
LA2333T
LA2351M
P4 . P20
Transistors for AM and FM buffers
2SC2812N (V CEO = 50 V, I C = 150 mA, f T = typ 100 MHz),
2SC2814 (V CEO = 20 V, I C = 30 mA, f T = typ 320 MHz)
PIN diodes for AM AGC and switching
Series with rs = typ 5 : ISV247, ISV233, ISV246, ISV234, CPH5512
PIN diodes for FM AGC and switching
Series with rs = typ 6 : ISV294, ISV315, ISV316, ISV298H
SANYO has now added a PLL circuit to their original-design single-chip
SANYO has now added a PLL circuit to their original-design single-chip
tuner IC.
tuner IC.
Microcontroller control provides increased performance and reliability
Microcontroller control provides increased performance and reliability
and fewer adjustments in tuner systems.
and fewer adjustments in tuner systems.
Line Amplifier
Four-Channel High Output
Preamplifier IC
LA2901V
• Provides a high output voltage of 5.3 V rms
Electronic
volume with
(with a THD of 0.1%) for improved signal-to-
new zero-cross
noise ratio when driving an external power
AF power
muting circuits
amplifier
amplifier
LC75410E/W
•Low output noise voltage: 12 V
LA47510
P44
•Low total harmonic distortion: 0.005%
P47
•Superb audio fidelity
LC75411E/W
LA47536
•Package: SSOP24 (275mil)
P45
P48
LC75412E/W
P46
Electronic Volume Control
Single-Chip Electronic Volume
Control with New Zero-Cross
Muting Circuit
LC75410E/W, LC75411E/W,
LC75412E/W
• Built-in differential input amplifiers
(LC75410E/W, LC75412E/W)
• Zero-cross muting
Test
• Input gain control
(GP-IB)
• Loudness control
• Package: (LC75410E) QIP64E (14
Process
(PC)
LAN drivers
CAN
P1 to 2
MOST
P1 to 2
P5 . 22
LA2360M
LA2340M
P6 . 21
LA2361AM
P5
LV2341M
P6 . 21
LA2361JM
P5
Other transistors (power supply, interface, and switch drive)
Bipolar transistors: 50C02CH (V CEO = 15 V, I C =1 A, V CE (sat) = max 280 mV)
(NPN)
2SC5706 ( V CEO = 50 V, I C = 5 A, V CES (sat) = typ 90 mV)
2SD1913 (V CEO = 60 V, I C = 3 A, PC = 20 W, h FE 70 to 280)
MOSFET: 5LN 01M (V DSS = 50 V, I D = 100 mA R DS (on)
(Nch)
<V GS = 2.5 V> = 9.9 )
CPH6424 (V DSS = 60 V, I D = 3 A R DS (on)
<V GS = 4 V> typ 150 m )
For Automotive AV Equipment
P40
P44 to 46
14)
(LC75410W) SQFP64 (10
10)
(LC75411E) QIP44M (10
10)
(LC75411W) SQFP48 (7
7)
(LC75412E) QIP64E (14
14)
(LC75412W) SQFP64 (10
10)
CCB is a SANYO's original bus
format and all the bus addresses
are controlled by SANYO.
36 Car Audio
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