LA4557

Name: LA4557
Brand: Sanyo Denki
Rating: 4.5 (10 reviews)
Author: Lisleapex

Audio Amplifier, 2.4W, 2 Channel(s), 1 Func, Bipolar, PDIP12, DIP-12

4,089 Effective Inventory

LA4557

Effective Inventory4,089

Audio Amplifier, 2.4W, 2 Channel(s), 1 Func, Bipolar, PDIP12, DIP-12

Manufacturer Part # : LA4557
Package/Case: DIP-12
Brand: Sanyo Denki
Product Categories : Audio Amplifiers

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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LA4557 DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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LA4557 Description

The LA4557 is a dual audio power amplifier IC from SANYO Electric Co Ltd, designed for various audio applications such as televisions, radios, and portable devices. This device features low distortion, wide operating voltage range, and high output power capability, making it suitable for use in different consumer electronics.

Features

The LA4557 is a dual audio power amplifier IC: Offers high output power capability and low distortion for reliable audio amplification.
Wide Operating Voltage Range: Operates efficiently within a wide voltage range, ensuring stable performance in various applications.
High Output Power Capability: Provides high output power for robust audio amplification in different consumer electronics.

Applications

The LA4557 is commonly used in car audio systems, portable devices, and home entertainment systems for audio amplification, as well as various consumer electronics applications such as televisions, radios, and soundbars.

Where to Use:

Car audio systems
Portable devices
Home entertainment systems
Consumer electronics (televisions, radios, soundbars)

Manufacturer

The LA4557 is manufactured by SANYO Electric Co Ltd, a global leader in semiconductor technology. It falls under the category of Integrated Circuits (ICs), which are designed to facilitate reliable and robust electronic circuitry.

This product was developed to meet the growing demand for high-performance audio amplification in various consumer electronics applications, where features like low distortion, wide operating voltage range, and high output power capability are essential.

Packages

The LA4557 comes in a PDIP-12 package. This package is designed for through-hole mounting, offering a compact and efficient solution for integrating the IC into electronic circuits.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code	No	Part Life Cycle Code	Obsolete
Part Package Code	DIP	Pin Count !	12
ECCN Code	EAR99	HTS Code !	8542.33.00.01
Consumer IC Type	AUDIO AMPLIFIER	Gain	50 dB
Harmonic Distortion	10%	JESD-30 Code	R-PDIP-T12
JESD-609 Code	e0	Length	19.4 mm
Number of Channels	2	Number of Functions	1
Number of Terminals	12	Operating Temperature-Max	75 °C
Operating Temperature-Min	-20 °C	Output Power-Nom	2.4 W
Package Body Material	PLASTIC/EPOXY	Package Code	HDIP
Package Equivalence Code	HDIP16,.3	Package Shape	RECTANGULAR
Package Style	IN-LINE, HEAT SINK/SLUG	Qualification Status !	Not Qualified
Seated Height-Max	4.26 mm	Supply Current-Max	40 mA
Supply Voltage-Max (Vsup)	12 V	Supply Voltage-Min (Vsup)	4.5 V
Surface Mount !	NO	Technology	BIPOLAR
Temperature Grade !	COMMERCIAL EXTENDED	Terminal Finish	TIN LEAD
Terminal Form !	THROUGH-HOLE	Terminal Pitch !	2.54 mm
Terminal Position	DUAL	Width	7.62 mm

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LA4557 PDF Download

FAQs

What is LA4557?

The LA4557 is a dual-channel audio power amplifier integrated circuit (IC) designed by Sanyo. It is commonly used in audio applications such as stereo amplifiers, portable speakers, and audio receivers to amplify and drive audio signals to speakers or headphones.

How Does LA4557 Work?

The LA4557 operates by amplifying audio signals from input sources such as smartphones, MP3 players, or audio sources. It features two independent amplifier channels, allowing for stereo output. The IC is designed to deliver sufficient power to drive speakers while maintaining audio quality and efficiency.

How Many Pins does LA4557 have and What are the Functions of the Pinout Configuration?

The LA4557 is typically housed in a 12-pin SIP (Single In-line Package) or a 12-pin DIP (Dual In-line Package). The pinout configuration includes:

VCC: Power supply pin.
OUT1, OUT1B: Output pins for Channel 1.
GND: Ground pin.
IN1-, IN1+: Input pins for Channel 1.
IN2-, IN2+: Input pins for Channel 2.
OUT2, OUT2B: Output pins for Channel 2.

What are the Pros and Cons of LA4557?

Pros:

Dual-Channel Design: Allows for stereo audio amplification.
High Power Output: Capable of driving speakers with sufficient power.
Compact Package: Available in small form factors for space-constrained designs.
Easy to Use: Simple pinout and connection for straightforward integration.

Cons:

Power Consumption: May have higher power consumption compared to lower-power alternatives.
Thermal Considerations: Heat dissipation and thermal management may be required for high-power applications.

Are There Any Equivalents/Alternatives to LA4557 for Recommendation?

An equivalent part to the LA4557 is the TDA7267 from STMicroelectronics.
Alternatives to the LA4557 include the LM386 from Texas Instruments and the NJM2073D from New Japan Radio.