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LA4267
Audio Amplifier, 5W, 1 Channel(s), 1 Func, Bipolar, PSFM10, SIP-10
LA4267
Audio Amplifier, 5W, 1 Channel(s), 1 Func, Bipolar, PSFM10, SIP-10
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Service & Packaging
Service & Packaging
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LA4267 DataSheet
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Details
OverviewThe LA4267 is a 5 W power amplifier intended for televisions.This IC has a series of pin compatible monaural and 2-channel power amplifiers, thus allows the end product to use a common circuit boad. Features• Television audio output.• Pin compatible with the LA4266 (3 W)/4268 (10 W) and the LA4276 (3 W × 2)/4277 (5 W × 2)/4278(10 W × 2).• Package: SIP-10HD (2.54 mm pitch, straight pins).• Thermal protection circuit and overvoltage protection circuit on chip.• Output power: 5 W (VCC = 20 V/RL = 8 Ω).
Key Features
- The LA4267 is a 5 W power amplifier intended for televisions.
- This IC has a series of pin compatible monaural and 2-channel power amplifiers, thus allows the end product to use a common circuit boad.
- Features
- Television audio output.
- Pin compatible with the LA4266 (3 W)/4268 (10 W) and the LA4276 (3 W × 2)/4277 (5 W × 2)/4278(10 W × 2).
- Package: SIP-10HD (2.54 mm pitch, straight pins).
- Thermal protection circuit and overvoltage protection circuit on chip.
- Output power: 5 W (VCC = 20 V/RL = 8 Ω).
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Obsolete | Part Package Code | SFM |
| Pin Count ! | 10 | Reach Compliance Code | |
| ECCN Code | EAR99 | HTS Code ! | 8542.33.00.01 |
| Bandwidth-Nom | 20 kHz | Consumer IC Type | AUDIO AMPLIFIER |
| Gain | 40 dB | Harmonic Distortion | 10% |
| JESD-30 Code | R-PSFM-T10 | Number of Channels | 1 |
| Number of Functions | 1 | Number of Terminals | 10 |
| Operating Temperature-Max | 75 °C | Operating Temperature-Min | -20 °C |
| Output Power-Nom | 5 W | Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SIP10,.05TB | Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT | Power Supplies ! | 20 V |
| Qualification Status ! | Not Qualified | Supply Current-Max | 60 mA |
| Supply Voltage-Max (Vsup) | 33 V | Supply Voltage-Min (Vsup) | 10 V |
| Surface Mount ! | NO | Technology | BIPOLAR |
| Temperature Grade ! | COMMERCIAL EXTENDED | Terminal Form ! | THROUGH-HOLE |
| Terminal Pitch ! | 2.54 mm | Terminal Position | SINGLE |
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.
FAQs
What is LA4267?
The LA4267 is a dual 3W audio power amplifier integrated circuit designed by Sanyo. It is commonly used in audio applications such as portable speakers, electronic devices, and automotive audio systems.
How Does LA4267 Work?
The LA4267 works by amplifying audio signals with high fidelity and power output. It features a dual-channel configuration capable of delivering 3W per channel, making it suitable for driving speakers in various audio systems. The amplifier operates efficiently and is designed for easy integration into audio circuits.
How Many Pins does LA4267 have and What are the Functions of the Pinout Configuration?
The LA4267 is housed in a multiwatt 15-lead package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- IN1-, IN1+: Inputs for channel 1.
- N.C.: No connection pin.
- OUT1: Output for channel 1.
- OUT2: Output for channel 2.
- IN2-, IN2+: Inputs for channel 2.
- SHUTDOWN: Shutdown control pin.
- BYPASS: Bypass capacitor connection pin.
What are the Pros and Cons of LA4267?
Pros:
- High Power Output: Provides 3W per channel for driving speakers.
- Dual-Channel Configuration: Enables stereo audio amplification.
- Compact Package: Multiwatt 15-lead package for space-efficient designs.
- Suitable for Various Applications: Can be used in portable devices, audio systems, and more.
- Efficient Operation: Performs audio amplification efficiently.
Cons:
- Heat Dissipation: May require heat sinks for thermal management at high power levels.
- External Components: Additional components may be needed for specific circuit configurations.
- Complexity for Beginners: Some knowledge of audio amplifier circuits may be necessary for optimal use.
Are There Any Equivalents/Alternatives to LA4267 for Recommendation?
- The TDA2030 from STMicroelectronics is a comparable audio amplifier IC.
- Alternatives to the LA4267 include the LM386 from Texas Instruments and the TPA3116 from Texas Instruments.
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