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LA47515
LA47515 is an audio power amplifier chip with a built-in thermal shutdown feature.
LA47515
LA47515 is an audio power amplifier chip with a built-in thermal shutdown feature.
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LA47515 DataSheet
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Details
LA47515 is a single-chip FM/AM radio tuner IC designed for use in radio receiver equipment. It is manufactured by Sanyo Semicon Device and is compatible with frequencies ranging from 76 to 108 MHz for FM and 153 to 279 kHz for AM. The IC features an integrated capacitor array for tuning, making it suitable for compact and cost-effective radio designs.The LA47515 includes a built-in FM mixer, IF amplifier, FM detector, FM/AM IF amplifier, AM detector, and noise canceller circuitry. It also has a built-in automatic frequency control (AFC) circuit for maintaining stable reception and reducing signal drift. Additionally, the IC incorporates various features to enhance reception quality, such as an AM stereo decoder, FM muting circuit, and FM noise canceller.The LA47515 is housed in a 24-pin dual in-line package (DIP), making it suitable for use in a variety of radio receiver applications. With its wide frequency range, integrated tuning capabilities, and advanced signal processing features, the LA47515 is a versatile and high-performance radio tuner IC suitable for use in a range of consumer electronics products
Key Features
- 18W (typ) continuous average output power.
- 5.2A (typ) media supply current.
- Typ 15V power supply voltage.
- Low distortion.
- Compact package.
- Reduced external components.
Application
- Television sets
- Computer monitors
- Audio systems
- Digital signage
- Game consoles
- Home entertainment systems
- Video projectors
- Automotive infotainment systems
- Medical imaging devices
- Instrumentation displays
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Manufacturer | SANYO | Product Category ! | IC Chips |
FAQs
What is LA47515?
The LA47515 is a 2-channel BTL power amplifier IC (integrated circuit) designed for use in car audio systems. It is manufactured by Sanyo Electric Co. and is ideal for driving speakers in stereo applications, providing high-quality sound output in automotive audio systems.
How Does LA47515 Work?
The LA47515 operates as a bridge-tied load (BTL) amplifier, allowing it to deliver high power to speakers without the need for an output coupling capacitor. It utilizes a BTL configuration to drive the differential outputs of the amplifier, resulting in improved power efficiency and reduced distortion. The amplifier is designed to work seamlessly with car audio systems, delivering clear and high-fidelity audio output.
How Many Pins does LA47515 have and What are the Functions of the Pinout Configuration?
The LA47515 is housed in a multiwatt 11-lead package. The pinout configuration includes:
- VP: Power supply voltage pin.
- Input1, GND1, GND2, Input2: Input and ground pins for the two amplifier channels.
- OUT1, VCC, GND3, GND4, VEE, OUT2: Output, power supply, and ground pins for the two amplifier channels.
What are the Pros and Cons of LA47515?
Pros:
- High Power Output: Capable of driving speakers with high power, suitable for car audio applications.
- BTL Configuration: Provides efficient power delivery and reduces distortion in the audio output.
- Compact Package: The multiwatt package is space-efficient, suitable for automotive designs.
- Thermal Protection: Includes thermal shutdown protection for reliable operation under varying conditions.
Cons:
- Specific Application: Designed specifically for car audio systems, limiting its use in other applications.
- External Components: May require additional components, such as input capacitors and output filters, for optimal performance.
Are There Any Equivalents/Alternatives to LA47515 for Recommendation?
- The TDA1557Q from STMicroelectronics is a comparable BTL power amplifier IC suitable for car audio applications.
- Alternatives to the LA47515 include the KA2214 from Fairchild Semiconductor and the TDA1519 from NXP Semiconductors.
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