Digital Radio System Chipsets |
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| For Automotive AV Equipment | ||||
| SANYO's digital radio system is a chipset consisting of the LC75030W car audio | |||||||||
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| system IC and the LV25300M tuner system IC. | |||||
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| By converting the analog waveform to digital with the DSP, this chipset achieves a significant | |||||
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| reduction in the number of external components and improvements in reception performance | |||||
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| and reliability. | ||||||||
| LV25300M | P9 |
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.............Under development | PLL |
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| RDS |
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Input source |
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| FM/AM |
| Power |
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| MPX |
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LV25300M | P9 |
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| MRC | DIR |
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| NC |
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•FM front end |
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•FM IF |
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| ROM | RAM |
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•AM |
| Changer |
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•PLL |
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| Analog |
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| D/A |
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•Bus control |
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| A/D |
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| Source |
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•Switching control |
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| (2ch) | EVR | DSP for Automotive Tuners and | ||||
•Automatic adjustment |
| CD | Selector |
| Bass/Tre/Mid | (6ch) | |||
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| Audio Systems |
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•Interface to the LC75030W |
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| EQ function |
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| LC75030W | P10 | ||||
•Diversity |
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| Dedekind* |
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•Package: QFP80 (14 | 14) | AUX |
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| Functions |
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| •IF signal input (450 kHz) | |
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| •Variable bandwidth IF filter processing | |
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| •FM/AM detection processing and noise | |
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| cancellation processing | |
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| •FM stereo demodulation | |
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| MPU | P23 to 26 | •RDS data demodulation circuit | |
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| •Analog source selector and A/D converter | |||
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| LC877 Series |
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| •Electronic volume control | ||
For Microcontrollers Control | Wide Range of RAM and ROM Options | LC87F7XXX |
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LC875 Series |
| •Interrupt audio mixing | |||||
Microcontroller with | Signal Control Microcontrollers | LC87F5XXX |
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LC877 Series | P25 to 26 | LC875 Series | P23 to 24 |
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| algorithm and variable bandwidth IF filter | |||||
•ROM: 24 K to 128 KB |
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| All products described in this catalog contain developed products or | •Two noise detection circuit systems and | |||
•This series is optimal since the abundant internal | software waveform interpolation | ||||||
•RAM 1536 to 4096 | 9bits | products that are diverted from general types. In accordance with standard | |||||
•DSP software provides optimal tuner settings, | |||||||
RAM can be used for smooth data management. | |||||||
•VDD: 5 V (300 ns), 2.5 V (750 ns) | of quality management system ISO/TS16949 for automotive industry, there | ||||||
standardization, and | |||||||
ROM: 8 KB to 256 KB |
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•DC control software packages are available, and |
| is a case where all demanded articles couldn't be supported, so please | |||||
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RAM: 1024 to 8192 | 9 bits | confirm to the salesman of our company at every order. | |||||
custom development can be easily supported. | |||||||
•Provides a | |||||||
Flash memory version P23 to 24 |
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•Package: Refer to the package lineup. P26 |
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| dedicated analog output pins for independent | |||||
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Flash memory version P25 to 26 |
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| CCB is a SANYO’s original bus | rear seat outputs. | |||
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| format and all the bus addresses | •Low power achieved by optimized design of the | ||
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| are controlled by SANYO. |
| tuner circuit and DSP software. | |
Flash products are licensed from Silicon Storage Technology, Inc.,(USA), and manufactured and sold by SANYO Electric Co., Ltd. |
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| •Package: SQFP144 (20 20) | ||||
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| Dedekind function(Dedekind*) is Dedekind R&D's trade name. | |
Extensive lineup provides full support for a wide range of systems
AM/FM Tuner Block | SVC273 (CR (C2.0V/C8.0V) ≥3.1,Q ≥100) | |||||||||
Varactor diodes for AM tuning | *: SV272, SV273: MCPH3 miniature package (2.1 2.0 mm) | |||||||||
Dual gate MOSFETs for amplifiers | ||||||||||
SVC354 (3 diodes), SVC364 (4 diodes), SVC371 (6 diodes) | ||||||||||
3SK263 (VDS = 15 Vmin, IDSX = 2.4 to 24 |
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| yfs |
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Varactor diodes for FM tuning |
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SVC230 (CR (C2.0V/C8.0V) ≥1.65, Q ≥100) | 3SK264 (VDS = 15 V, IDSX = 5.0 to 24 mA, |
| yfs |
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SVC243 (CR (C1.0V/C6.5V) ≥7.0, Q ≥40) | JFET and transistors for AMP amplifiers | |||||||||
CPH5901 (high gain, typ 50 ms), CPH5905 (High ESD resistance type) | ||||||||||
SVC272 (CR (C2.0V/C8.0V) ≥2.3, Q ≥150) | ||||||||||
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Transistors for buffers
2SC2812N (VCEO = 50 V, IC = 150 mA, fT = typ 100 MHz), 2SC2814 (VCEO = 20 V, IC = 30 mA, fT = typ 320 MHz)
PIN diodes for AGC and switching
Series with rs = typ 6 Ω: ISV294, ISV315, ISV316, ISV298H
Other transistors (power supply, interface, and switch drive)
Bipolar transistors: 50C02CH (VCEO = 15 V, IC=1 A, VCE (sat) = max 280 V) 2SC5706 (VCEO = 50 V, IC = 5 A, VCES (sat) = typ 90 mV)
2SD1913 (VCEO = 60 V, IC = 3A, PC = 20 W, hFE 70 to 280)
PicoMOS™
5LN 01M (Nch) Package: MCP (2.1 
2.0 mm)
VDSS = 50 V, ID = 100 mA, RDS (on) <VGS = 2.5V> = max 9.9 Ω 
Low on registance power MOSFET
CPH6424 (Nch) Package: CPH6 (2.8 
2.9 mm)
VDSS = 60 V, ID = 3 A, RDS (on) <VGS = 4 V> = 150 mΩ
7 Car Audio | 8 Car Audio |
