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LA4557 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LA4557200Yes

LA4557 is an integrated circuit (IC) manufactured by SANYO.

The LA4557 is an integrated circuit (IC) manufactured by SANYO. Below are the factual specifications, descriptions, and features from the Manufactor Datasheet:

Specifications:

  • Manufacturer: SANYO
  • Type: Audio Power Amplifier IC
  • Package: SIP (Single In-line Package)
  • Power Supply Voltage (VCC): 6V (typical)
  • Output Power: 2.3W (at 6V, 4Ω, THD=10%)
  • Operating Voltage Range: 4V to 9V
  • Quiescent Current: 15mA (typical)
  • Total Harmonic Distortion (THD): 0.3% (typical at 1W, 4Ω)
  • Frequency Response: 20Hz to 20kHz
  • Load Impedance: 4Ω (recommended)

Descriptions:

  • The LA4557 is a monolithic IC designed for audio power amplification in portable devices.
  • It features built-in thermal shutdown and overvoltage protection.
  • Suitable for applications such as radios, cassette players, and other small audio systems.

Features:

  • Low quiescent current consumption
  • Built-in audio muting function
  • Minimal external components required
  • Good ripple rejection
  • Compact SIP package for space-saving designs

This information is based solely on the available technical data for the LA4557 by SANYO.

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