Car Audio DSP System Chipsets

For Automotive AV Equipment

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 audio systems. It is provided as a custom IC that includes DSP software that conforms to user specifications.

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)

Input source

Radio

AUX

Audio-DSP:LC75010W P13

DSP

		Bass/Tre/Mid
Analog	A/D	EQ function		D/A
					Power
Source		Dedekind*		EVR
	(2ch)				IC
Selector				(4ch)

		ROM	RAM

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.

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

	MPU P23 to 26	For rear seat audio
	LC877 Series	P14
	LC87F7XXX	P14
	LC87F7XXX
	LC875 Series	Dolby Headphone
	LC87F5XXX	Dolby Headphone
	LC87F5XXX	LC83200W
		LC83200W

•Package: Refer to the package lineup. P26

Flash memory version P25 to 26

Dedekind function(Dedekind*) is Dedekind R&D's trade name.

Flash memory version P23 to 24

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.

CCB is a SANYO’s original bus format and all the bus addresses are controlled by SANYO.

Flash products are licensed from Silicon Storage Technology, Inc.,(USA), and manufactured and sold by SANYO Electric Co., Ltd.

Manufactured under license from Dolby Laboratories.

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)
	JFET and transistors for AMP amplifiers
SVC354 (3 diodes), SVC364 (4 diodes), SVC371 (6 diodes)
	CPH5901 (high gain, typ 50 ms), CPH5905 (High ESD resistance type)
Varactor diodes for FM tuning
	Dual gate MOSFETs for FM amplifiers
SVC230 (CR (C2.0V/C8.0V) ≥1.65, Q≥100)
	3SK263 (VDS = 15 Vmin, IDSX = 2.4 to 24 mA,		yfs		= typ 14 ms),
SVC243 (CR (C1.0V/C6.5V) ≥7.0, Q ≥40)
	3SK264 (VDS = 15 V, IDSX = 5.0 to 24 mA,	yfs		= typ 17 ms)
SVC272 (CR (C2.0V/C8.0V) ≥2.3, Q ≥150)

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)
		<VGS = 4 V> typ 150 mΩ)

11 Car Audio

12 Car Audio