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STA461C Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
STA461CSK185Yes

STA461C** is a power amplifier IC manufactured by **SK (Sanken Electric Co.

The STA461C is a power amplifier IC manufactured by SK (Sanken Electric Co., Ltd.). Below are its key specifications, descriptions, and features:

Specifications:

  • Type: Class AB Audio Power Amplifier
  • Output Power:
  • 5W × 2 channels (at 4Ω, THD = 10%)
  • 3W × 2 channels (at 8Ω, THD = 10%)
  • Supply Voltage (VCC): 4.5V to 12V (recommended: 6V to 9V)
  • Operating Temperature Range: -20°C to +75°C
  • Package: SIP (Single In-line Package)
  • Pin Count: 10 pins
  • Total Harmonic Distortion (THD): ≤ 1% (typical at 1W output)
  • Standby Current: ≤ 1mA

Descriptions:

  • Designed for stereo audio amplification in portable and compact audio systems.
  • Built-in thermal shutdown and overcurrent protection circuits.
  • Requires minimal external components for operation.

Features:

  • Low Quiescent Current: Efficient power consumption.
  • Built-in Muting Function: Reduces pop noise during power-on/off.
  • Wide Operating Voltage Range: Suitable for battery-powered applications.
  • Compact SIP Package: Space-saving design for PCB integration.
  • High Ripple Rejection: Reduces power supply noise interference.

This IC is commonly used in portable radios, multimedia speakers, and other low-power audio applications.

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