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Car Audio DSP System Chipsets
Car Audio DSP System Chipsets
Car Audio DSP System Chipsets
Car Audio DSP
LC75010W
P13
Hardware configuration
•Analog source selector (Single-sided inputs: 3 channels,
differential inputs: 1 channel)
•A/D converter (stereo, one system)
•DSP core
•Program ROM and data RAM
•D/A converter (4 channels)
•Electronic volume control (4 channels)
•Microcontroller interface
(CCB: A SANYO-designed bus format)
Software functions (example)
•Equalizer function
•Bass, middle, and treble control functions
•Balance and fader functions
•Volume control
•Dedekind functions
•User-specified DSP software functions
Package: SQFP100 (14
14)
For Microcontrollers Control
Microcontroller with On-Chip LCD Drivers
LC877 Series
P25 to 26
•ROM: 24 K to 128 KB
•RAM 1536 to 4096
9bits
•VDD: 5 V (300 ns), 2.5 V (750 ns)
•DC control software packages are available, and
custom development can be easily supported.
•Package: Refer to the package lineup.
Flash memory version
Dedekind function(Dedekind*) is Dedekind R&D's trade name.
Flash products are licensed from Silicon Storage Technology, Inc.,(USA), and manufactured and sold by SANYO Electric Co., Ltd.
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)
11 Car Audio
Input source
MD
Radio
CD
AUX
Wide Range of RAM and ROM Options
Signal Control Microcontrollers
LC875 Series
P23 to 24
•This series is optimal since the abundant internal
RAM can be used for smooth data management.
ROM: 8 KB to 256 KB
RAM: 1024 to 8192
9 bits
Flash memory version
P26
P25 to 26
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 (V DS = 15 V, I DSX = 5.0 to 24 mA, yfs = typ 17 ms)
The LC75010W is a system-on-chip audio DSP that integrates A/D and D/A converters, a
The LC75010W is a system-on-chip audio DSP that integrates A/D and D/A converters, a
DSP core and all other required functions on the same chip, making it optimal for use in car
DSP core and all other required functions on the same chip, making it optimal for use in car
audio systems. It is provided as a custom IC that includes DSP software that conforms to
audio systems. It is provided as a custom IC that includes DSP software that conforms to
user specifications.
user specifications.
Audio-DSP:LC75010W
Analog
A/D
Source
(2ch)
Selector
All products described in this catalog contain developed products or
P23 to 24
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.
Manufactured under license from Dolby Laboratories.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories.
Confidential unpublished works. Copyright 1998–1999 Dolby Laboratories.
All rights reserved.
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
For Automotive AV Equipment
P13
DSP
Bass/Tre/Mid
EQ function
D/A
Power
Dedekind*
EVR
IC
(4ch)
ROM
RAM
For rear seat audio
MPU
P23 to 26
LC877 Series
P14
LC87F7XXX
LC875 Series
Dolby Headphone
LC87F5XXX
LC83200W
CCB is a SANYO's original bus
format and all the bus addresses
are controlled by SANYO.
R
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 )
12 Car Audio
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