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LC4425A

LA4485

LA4485

LA4425A

5

9

10

11

12

13

1

6

7

8

3

4

2

REF
amplifier

MUTE

MUTE

Rf1

Rf2

RNF2

RNF1

BTL IN

BTL OUT

LA4425A

2

1

5

4

+

+

+

VCC

1000

µ

F

Co 1000

µ

F

Ci 2.2

µ

F

13.2V

3

speaker

4

Ω

59

Car Audio

60

Car Audio

Overview

Functions

Block Diagram

Overview

Functions

Block Diagram

Monolithic Linear IC

Car Radio/Car Stereo 5 W Two-Channel Power Amplifier

that Requires Minimal External Components

The LA4485 obviates the need for the BS capacitor, noise filter capacitor, and oscillation prevention RC
components previously required by power amplifier ICs by integrating them on the IC itself. The LA4485 requires
only the barest minimum of external components and both dual and BTL type operation are supported in the
power series ("stylish power").

■

Dual: 5 W 2, BTL: 15 W

■

Extremely few external components required: 4 or 5 in dual mode, 3 or 4 in BTL mode

■

Built-in Each protection circuits

◆

Overvoltage protection circuit

◆

Thermal protection circuit

◆

Output DC short protection circuit (with respect to both VCC and ground)

■

Circuit to handle application of +VCC to the outputs

■

Built-in impulse protection circuit

■

Standby mode switching function

■

Audio muting function

■

Package: SIP13H

Large signal
system VCC

Filter

Filter

Small signal
system VCC

Channel 1 input

Channel 2 input

Channel 2 output

Channel 1 output

Input

amplifier

(CH1)

Input

amplifier

(CH2)

Pre-driver

amplifier

Pre-driver

amplifier

Short to ground
protection circuit

Short to ground
protection circuit

Standby mode

Standby mode
switch

Thermal protection
circuit

Short to VCC

protection circuit

Short to VCC

protection circuit

Output
amplifier

Output
amplifier

Large signal system ground

Small signal system ground

Overvoltage
protection circuit

The LA4425A is a 5 W power amplifier IC for car radio and car stereo systems that requires an extremely small
number of external components.

Monolithic Linear IC

Car Radio/Car Stereo 5 W Power Amplifier that Requires

Minimal External Components

Monolithic Linear IC

Car Radio/Car Stereo 5 W Power Amplifier that Requires

Minimal External Components

■

The industry's first power amplifier that requires so few external components

◆

Provided in the industry's smallest package: SIP-5H (a TP126 type package)

◆

Only required 2 external components: input and output coupling capacitors only

■

As a power IC, evaluation, adjustment, and investigation are essentially unnecessary

This leads to simplified management

■

Wide operating supply voltage range: 5 to 16 V

■

Built-in Each protection circuits

◆

Overvoltage protection circuit

◆

Thermal protection circuit

◆

Output DC short protection circuit

■

Built-in impulse protection circuit

■

Package: SIP5H

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Содержание EP93F

Страница 1: ... 05 8 Car Audio Automotive LAN Data Communication Equipment ...

Страница 2: ... Algorithm Car Audio Electronic Volume Control IC with BBE Sound Processor Car Audio Electronic Volume Control IC with BBE Sound Processor Four Channel High Output Line Amplifier for Car Audio Four Channel High Output Line Amplifier for Car Audio Car Audio Built in PLL Tuner System Chipsets 2 Car Audio Built in PLL Tuner System Chipsets 2 Car Audio Tuner IC with Built in PLL Circuit Car Audio Tune...

Страница 3: ...ceiver block for CAN 1 Transmitter LPF for EMI prevention output driver 2 Receiver attenuator comparator Non inverted type open collector output comparator Functions 1 chip IC incorporating an The audio equipment control bus transceiver and comparator The audio equipment control bus output withstand voltage of 18 V Vehicle signal detection block input withstand voltage of 18V Features Driver recei...

Страница 4: ...ceiver block for CAN 1 Transmitter LPF for EMI prevention output driver 2 Receiver attenuator comparator Non inverted type open collector output comparator Functions 1 chip IC incorporating an The audio equipment control bus transceiver and comparator The audio equipment control bus output withstand voltage of 18 V Vehicle signal detection block input withstand voltage of 18V Features Driver recei...

Страница 5: ... Functions ISO11898 compliant Low power consumption Transmission speed of 1 Mbps Low output noise Features Transmitter transmit block Output driver Receiver receive block Attenuator Comparator Functions The LA2340M is an I V converter that can be used to configure an optical electric converter OEC when combined with a photo diode PD The LV2341M is a LED driver that can be used to configure an elec...

Страница 6: ...t achieves a significant reduction in the number of external components and improvements in reception performance and reliability Digital Radio System Chipsets 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 SV27...

Страница 7: ... detection algorithm and variable IF bandwidth filter Waveform interpolation processing using two noise detection circuit and software systems DSP software for optimum tuning standardization and adjustment free operation Analog output pin for dedicated rear sheet output that is independent of 6 channel DAC Realization of low power consumption through optimized design of tuner circuit and DSP softw...

Страница 8: ... bus format and all the bus addresses are controlled by SANYO Car Audio DSP System Chipsets P23 to 24 P23 to 24 P25 to 26 P26 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 Signal Control Microcontrollers LC875 Series Flash memory version Wi...

Страница 9: ...s ideal for car stereos as it incorporates major required functions such as A D D A and a DSP core This is a custom IC that incorporates DSP software based on the user specifications The LC83200W is an IC that integrates the functions required for Dolby Headphone on one chip It generates a Dolby Headphone audio output signal from either a 5 1 channel or 2 channel audio input The LC83200W provides ...

Страница 10: ...D ROM decoder Supports system simplification by providing both single chip CD signal processing with built in analog signal processing and an MP3 decoder with built in CD ROM decoder Flash products are licensed from Silicon Storage Technology Inc USA and manufactured and sold by SANYO Electric Co Ltd Car Audio CD MP3 WMA System Chipsets Car Audio CD MP3 WMA System Chipsets P23 to 24 P23 to 24 P25 ...

Страница 11: ...terpolation Digital attenuator Deemphasis filter 1 bit D A converter third order noise shaper converter 8 oversampling digital filters Fadeout function Bilingual function Built in second order audio output low pass filter Supports external supply of the digital filter and D A converter clock Supply voltage 3 3 V Package QFP80 14 14 This product is subject to change without notice for improvement W...

Страница 12: ...nal 1 8 V I O 3 3 V Package SSOP24 275 mil WMA Decoder WMA Decoder The LC78685V is a WMA decoder IC This IC is implemented using a dedicated hard wired circuit structure to achieve low power consumption Various format CD DA MP3 and WMA audio data recorded on CDs can be played back by adding this IC to a system structure consisting of a CD player signal processing IC and a CD MP3 IC such as the LC7...

Страница 13: ...he use of this product first refer to the latest SANYO Semiconductor News publication related to this device and finally refer to the latest specifications for the device Under development Under development Under development Under development POF 50 Mbps Automotive LAN POF 50 Mbps Automotive LAN CAN Transceiver CAN Transceiver The LA2340M is an I V converter that can form an OEC optical electrical...

Страница 14: ...ndby functions Halt mode instruction execution is stopped peripheral circuit operation continues Hold mode instruction execution is stopped peripheral circuit operation is stopped Crystal hold mode instruction execution is stopped peripheral circuit operation other than the clock time base timer is stopped Timers One 16 bit timer counter with capture register can be divided and used as two 8 bit t...

Страница 15: ...th capture register can be divided and used as two 8 bit timers One 16 bit timer counter with PWM toggle output function can be divided and used as two 8 bit timers Four 8 bit timers with 6 bit prescaler function LC877B series Clock time base timer High speed clock counter This circuit can count up to 20 MHz clock signals when a 10 MHz main clock frequency is used Serial interface circuits 8 bit s...

Страница 16: ... circuits Built in muting circuit mutes all outputs This circuit operates for the BTL amplifier channels but does not affect the regulator circuit Built in regulator 5 V output requires an external pnp transistor Thermal shutdown circuit Package DIP30SDLF 400 mil Overview Functions and Features Overview Functions and Features Block Diagram Block Diagram Muting output on off Level shifter Level shi...

Страница 17: ...stor Four Channel Driver IC for CD Players Decks Four Channel Driver IC for CD Players Decks Four Channel Driver IC for CD Players Decks Four Channel Driver IC for CD Players Decks Overview Functions and Features Overview Functions and Features Four power amplifier BTL connection circuits Iomax 0 7 A Built in level shifter circuits Built in muting circuit mutes all outputs This circuit operates fo...

Страница 18: ...for the loading motor channel Thermal shutdown circuit Package HSOP36R 375 mil DVD ROM Spindle Motor Driver IC The LV8280T is a sensorless motor driver IC that provides a reverse torque braking function and is appropriate as the spindle motor driver in CD ROM DVD players This IC adopts a direct PWM drive technique and uses a MOSFET as the output transistor for high efficiency motor drive Since thi...

Страница 19: ...andby mode power saving function Digital inputs PWM outputs spindle sled focus and tracking FG output VS voltage detection function Current limiter circuit Thermal protection circuit Package SQFP48 7 7 mm System Motor Driver IC for CD and DVD Players System Motor Driver IC for CD and DVD Players System Motor Driver IC for CD and MD Players System Motor Driver IC for CD and MD Players Direct PWM dr...

Страница 20: ... SSOP24 275mil Line Amplifier Four Channel High Output Preamplifier IC LA2901V Car Audio Built in PLL Tuner System Chipsets 1 Car Audio Built in PLL Tuner System Chipsets 1 AM FM Tuner Block SANYO has now added a PLL circuit to their original design single chip tuner IC Microcontroller control provides increased performance and reliability and fewer adjustments in tuner systems SANYO has now added...

Страница 21: ... 37 Car Audio 38 Car Audio LA2655V LA2655V 4 7µF 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 CONT1 GND VREF R IN RC1 RC2 RC3 RV1 RV2 R OUT C C 1µF 1µF 2200pF 82000pF 2200pF C C5 R R2 C 4 7µF 1µF 1µF N C AGND L IN LC1 LC2 LC3 LV1 LV2 L OUT VCC 4 7µF 2200pF 2200pF 82000pF C C7 C10 C11 R C C L H Rch IN Rch OUT Lch OUT Lch IN VCC BSW A A B R ch L ch SW C12 R4 C13 Pin_D Pin_D L_MI 2 L_AM3 L_AM4 ...

Страница 22: ... publication related to this device and finally refer to the latest specifications for the device The LA2657M is an audio signal processor for car audio that integrates the functions of the LC75421 IC and a BBE surround processing on a single chip The LA2657M s main functions include input functions input gain adjustment tone controls super bass function balance control volume fader control and th...

Страница 23: ...ing 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 AM FM Tuner Block LCD drivers VFD drivers Requires a priori consultation with your SANYO sales representative or SANYO business office before their use BBE and BBE symbol are registered trademarks of BBE Sound Inc SANYO ha...

Страница 24: ... D fo 1kHz TREBLE fo 10kHz 43 Car Audio 44 Car Audio The LA17000M is a car audio system tuner IC that integrates both a PLL frequency synthesizer and all AM FM functions on a single chip The LA17000M combines the functions of two ICs a PLL IC such as the LC72144 and an FM tuner IC such as the LA1781M on a single chip that provides PLL AM upconversion FM FE FM IF NC MCP and MRC functions The LA1700...

Страница 25: ...Systems Electronic Volume and Tone Control IC for Car Audio Systems Electronic Volume and Tone Control IC for Car Audio Systems Electronic Volume and Tone Control IC for Car Audio Systems The LC75411E W is an electronic volume and tone control IC that implements a rich set of audio control functions with a minimal number of external components Functions include volume balance fader bass treble and...

Страница 26: ...ow Level Mute ON 5V ST ON Aux circuit Mute circuit GND OFFSET DET OFF OFFSET DET OFF S W 5V 10kΩ Offset Detect Circuit Stand by Switch Ripple Filter Muting ON Time Control Circuit 47 Car Audio 48 Car Audio Overview Functions Overview Functions Power Amplifier Power Amplifier Power Amplifier Power Amplifier Maximum output 50 W 4 VCC 14 4 V RL 4Ω Offset detection function Offset detection function o...

Страница 27: ...0 LC75411E QIP44M 10 10 LC75411W SQFP48 7 7 LC75412E QIP64E 14 14 LC75412W SQFP64 10 10 LCD drivers VFD drivers Requires a priori consultation with your SANYO sales representative or SANYO business office before their use Bus interface incorporated in SANYO s original single chip tuner IC With the SANYO ETR controller IC computer control of the tuner is possible Bus interface incorporated in SANYO...

Страница 28: ...16 1 17 MPX PH3 ADI3 DATA LATCH BUS DRIVR DATA LATCH BUS DRIVR BUS DRIVR IOS ISO IOS DATA LATCH BUS DRIVR IOS PJ3 PJ2 PJ1 PJ0 PK3 PK2 PG0 PK1 INT1 PK0 INT0 INTERUPT DATA LATCH BUS DRIVR IOS PL3 PL2 PL1 PL0 DATA LATCH BUS DRIVR DATA LATCH BUS DRIVR IOS DATA LATCH BUS DRIVR IOS PM3 PN3 PN2 PN1 PN0 BEEP PM2 PM1 PM0 DATA LATCH BUS DRIVR PO3 PO2 PO1 PO0 DATA LATCH BUS DRIVR PP3 PPQ EO1 EO2 BUSPD EO3 PP...

Страница 29: ...TOR REFERENCE DIVIDER PROGRAMMABLE DIVIDER LATCH DIVIDER 1 16 1 17 SNSFF V DET 1 2 UNIVERSAL COUNTER 20bits RAM 512 X 4bits ROM 8k X 16bits LC72336 6k X 16bits ADDRESS DECODER BUS DRIV LATCH BUS DRIV LATCH BUS DRIV SIO LATCH BUS DRIV ADC DAC JUDGE ALU STACK PROGRAM COUNTER INSTRU CTION DECODER ADDRESS DECODER MPX MPX MPX MPX MPX 53 Car Audio 54 Car Audio Overview Functions Overview Functions Block...

Страница 30: ...e filter circuit does not required capacitors The turn on time can be set arbitrarily with an external capacitor Built in standby mode switching circuit microcontroller support Full complement of protection circuits Protection against shorting to power shorting to ground and load shorting as well as overvoltage and thermal protection circuits Car Stereo 5 W AF Power Amplifiers that Require Minimal...

Страница 31: ...uit Output pin to Vcc short Output pin to GND short Load short Overvoltage Thermal shutdown Package SIP18H Monolithic Linear IC Car Stereo 17 W Two Channel BTL AF Amplifier Monolithic Linear IC Car Stereo 20 W Two Channel BTL AF Amplifier Monolithic Linear IC Car Stereo 17 W Two Channel BTL AF Amplifier Monolithic Linear IC Car Stereo 20 W Two Channel BTL AF Amplifier The LA4705NA is a two channel...

Страница 32: ...all signal system VCC Channel 1 input Channel 2 input Channel 2 output Channel 1 output Input amplifier CH1 Input amplifier CH2 Pre driver amplifier Pre driver amplifier Short to ground protection circuit Short to ground protection circuit Standby mode Standby mode switch Thermal protection circuit Short to VCC protection circuit Short to VCC protection circuit Output amplifier Output amplifier La...

Страница 33: ...hat allows reception by mobile receivers and features a large transmission capacity and a wide service area SANYO has proposed ICs that exactly match the requirements of each functional block and is now aiming at further product line expansion in this area FM Multiplex Broadcasting System Chipset s For Automotive AV Equipment Extensive lineup provides full support for a wide range of systems P1 to...

Страница 34: ...naged by SANYO for this format The DARC Data Radio Channel FM multiplex broadcast technology was developed by NHK Japan Broadcasting Corporation DARC is a registered trademark of NHK Engineering Services Inc NHK ES A separate contract with NHK ES is required for the manufacturer or sale of electronic equipment that uses DARC technology The logo shown here may be used with electronic equipment that...

Страница 35: ... sample evaluation of this IC and to manufacture VICS products Mobile FM Multiplex Broadcast Receiver IC with Built in VICS Decoder Mobile FM Multiplex Broadcast Receiver IC with Built in VICS Decoder Mobile FM Multiplex Broadcast Receiver IC with Built in VICS Decoder Mobile FM Multiplex Broadcast Receiver IC with Built in VICS Decoder Adjustment free SCF based 76 kHz bandpass filter VICS decoder...

Страница 36: ...Broadcasting Union s RDS Radio Data System and the US NRSC National Radio System Committee RBDS Radio Broadcast Data System standards Performs efficient error correction using a soft decision technique This product also supports master operation in which data is read out in synchronization with the RDS clock output Supports both the European Broadcasting Union s RDS Radio Data System and the US NR...

Страница 37: ... 500 ms of data and flag memory Data I O CCB interface power on reset Packages LC72722 DIP24S 300mil LC72722M MFP24S 300mil LC72722PM MFP24 375mil RDS Signal Processing System on Chip IC RDS Signal Processing System on Chip IC The LC72722 LC72722M and LC72722PM are system on chip signal demodulation and processing ICs for the European Broadcasting Union EBU Radio Data System RDS and the US Nationa...

Страница 38: ...ter or slave mode RDS ID detection Supports ID reset Standby mode The crystal oscillator is stopped Fully adjustment free Packages LC72723 DIP16 300mil LC72723M MFP16 225mil Error correction capability improved by soft decision error correction The load on the control microprocessor can be reduced by storing decoded data in the on chip data buffer RAM Two synchronization detection circuits provide...

Страница 39: ... 1 12 13 24 25 36 37 48 2 7 3 0max 0 1 14 0 17 2 14 0 17 2 0 15 0 35 0 8 2 7 3 0max 0 1 0 8 1 0 1 16 17 32 33 48 49 64 20 0 23 2 0 15 0 35 0 8 2 7 3 0max 0 1 0 8 0 8 24 1 14 0 17 2 25 40 41 64 65 80 20 0 23 2 14 0 17 2 0 15 0 8 2 7 3 0max 0 1 0 3 0 65 0 58 1 30 80 51 31 50 100 81 1 4 8 5 5 0 0 63 6 4 0 15 0 35 1 27 0 65 4 4 1 5 1 7max 0 1 1 8 16 9 10 0 0 63 6 4 0 15 0 35 1 27 0 56 4 4 1 5 1 7max 0...

Страница 40: ...01 1 78 4 25 3 8 5 1max 0 51min 13 8 15 24 0 2 1 32 64 33 0 4 0 5 C0 7 1 15 25 6 10 0 2 4 2 0 1 2 2 0 0 8 1 13 1 0min 4 5 15 4max 11 8 11 2 13 9 3 0min 3 4 1 18 36 8 30 0 R1 7 4 5 HEAT SPREADER 1 0 2 25 6 0 15 0 max 0 8 min 8 0 0 4 0 5 2 0 1 4 13 8 11 0 SSOP24 275mil 1 12 24 13 21 0 3 9 max 0 51min 3 3 0 95 6 4 7 62 0 25 1 78 0 48 0 9 0 71 3 25 1 5 0 51min 14 25max 9 5 2 0 2 0 10 0 13 0 0 6 11 8 2...

Страница 41: ... 0 0 1 0 125 16 0 0 2 0 5 1 2max 0 5 14 0 16 0 SQFP48 7 7 7 0 7 0 9 0 9 0 0 15 0 5 1 5 0 1 1 7max 0 18 0 5 0 75 1 12 13 24 25 36 37 48 10 0 10 0 12 0 12 0 0 15 0 5 1 5 0 1 1 7max 0 18 0 5 1 25 1 16 17 32 33 48 49 64 20 0 22 0 20 0 22 0 0 145 0 2 0 5 1 25 0 5 1 36 37 72 73 108 109 144 1 4 1 6max 0 1 7 6 5 6 0 65 1 0 9 75 0 5 0 15 1 15 30 16 0 22 0 33 0 08 1 2max 15 2 6 2 0 3 7 9 4 9 10 5 2 7 0 8 2 ...

Страница 42: ...ned herein are controlled under any of applicable local export control laws and regulations such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law No part of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording or any information st...

Страница 43: ...PAN Telephone 81 0 3 3837 6339 6340 6342 Facsimile 81 0 3 3837 6377 SANYO Electric Co Ltd Semiconductor Company Homepage URL http www semic sanyo co jp index_e htm This catalog provides information as of August 2005 Specifications and information herein are subject to change without notice Ordering number EP93F ...

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