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Car Audio Built-in PLL Tuner System Chipsets (1)
For Automotive AV Equipment
SANYO has now added a PLL circuit to their
Microcontroller control provides increased performance and reliability and fewer adjustments in tuner systems.
.............Under development
Microcontroller Tuner IC
Microcontroller
Car Tuner with
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
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•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
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•Package: QFP80 (14 14)
Microcontroller
LV25200M P37
Analog block
FM front end |
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| demodulator | canceler | SW | ||
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AM tuner |
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(double conversion) |
| reject circuit) |
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Digital block
| CCB* | |
D/A converter |
| bus interface |
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PLL
•AM
•Dead zone control •Oscillator division circuit
CCB
CCBMicrocontroller
External |
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amplifier |
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Line amplifier |
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LA2901V |
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| P40 |
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Surround |
| Electronic |
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processor ICs |
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| volume with |
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LA2655V* | output | muting circuits | ||
Conditional |
| LC75410E/W | amplifier | |
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Products |
| LA47510 | ||
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P38 |
| P47 | ||
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LA2657M* | R | LC75411E/W | LA47536 | |
output | P45 | P48 | ||
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electronic |
| LC75412E/W |
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volume) |
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P39 |
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Test
instrument
Process
line computer
(PC)
Line Amplifier
Four-Channel High Output
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Preamplifier IC
LA2901V
P40
•Provides a high output voltage of 5.3 V rms (with a THD of 0.1%) for improved
noise ratio when driving an external power amplifier
•Low output noise voltage: 12 μV
•Low total harmonic distortion: 0.005% •Superb audio fidelity
•Package: SSOP24 (275mil)
Electronic Volume Control P44 to 46
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•Input gain control
•Loudness control
•Package: (LC75410E) QIP64E (14 14) (LC75410W) SQFP64 (10
10) (LC75411E) QIP44M (10
10) (LC75411W) SQFP48 (7
7) (LC75412E) QIP64E (14
14) (LC75412W) SQFP64 (10
10)
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.
P23 to 26
LC875 Series |
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| CARNET | P1 to 2 | CAN P1 to 2 |
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| LA2330W | P3 |
| LA2360M | P5 . 22 |
| LA2340M | P6 . 21 |
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| LA2333T | P4 |
| LA2361AM | P5 |
| LV2341M | P6 . 21 |
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| LA2351M | P4 . P20 |
| LA2361JM | P5 |
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E2PROM |
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CCB is a SANYO’s original bus format and all the bus addresses are controlled by SANYO.
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)
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 (VDS = 15 Vmin, IDSX = 2.4 to 24 mA, yfs = typ 14 ms), 3SK264 (VDS = 15 V, IDSX = 5.0 to 24 mA, yfs = typ 17 ms)
Transistors for AM and FM buffers | Other transistors (power supply, interface, and switch drive) | |
2SC2812N (VCEO = 50 V, IC = 150 mA, fT = typ 100 MHz), | Bipolar transistors: 50C02CH (VCEO = 15 V, IC=1 A, VCE (sat) = max 280 mV) | |
2SC2814 (VCEO = 20 V, IC = 30 mA, fT = typ 320 MHz) | (NPN) | 2SC5706 ( VCEO = 50 V, IC = 5 A, VCES (sat) = typ 90 mV) |
PIN diodes for AM AGC and switching |
| 2SD1913 (VCEO = 60 V, IC = 3 A, PC = 20 W, hFE 70 to 280) |
Series with rs = typ 5 Ω: ISV247, ISV233, ISV246, ISV234, CPH5512 | MOSFET: 5LN 01M (VDSS = 50 V, ID = 100 mA RDS (on) | |
PIN diodes for FM AGC and switching | (Nch) | <VGS = 2.5 V> = 9.9 Ω) |
Series with rs = typ 6 Ω: ISV294, ISV315, ISV316, ISV298H |
| CPH6424 (VDSS = 60 V, ID = 3 A RDS (on) |
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| <VGS = 4 V> typ 150 mΩ) |
35 Car Audio | 36 Car Audio |