Professional IC Distribution & Technical Solutions

Global leader in semiconductor components distribution and technical support services, empowering your product innovation and industry advancement

Product Catalog Contact Us
Home > SK > STA438A

STA438A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
STA438ASK200Yes

STA438A** is a Class D audio amplifier IC manufactured by **STMicroelectronics**.

The STA438A is a Class D audio amplifier IC manufactured by STMicroelectronics. Below are the key specifications, descriptions, and features:

Specifications:

  • Output Power:
  • 2 x 38W (4Ω, 15V, THD = 10%)
  • 2 x 20W (8Ω, 15V, THD = 10%)
  • Supply Voltage Range: 4.5V to 18V
  • Efficiency: Up to 90% (Class D operation)
  • THD+N (Total Harmonic Distortion + Noise): <0.1% (1W, 8Ω)
  • Signal-to-Noise Ratio (SNR): >95dB
  • Operating Temperature Range: -40°C to +85°C
  • Package: PowerSSO-36

Descriptions:

  • The STA438A is a dual-channel Class D amplifier designed for high-efficiency audio applications.
  • It integrates PWM modulation and output power stages, reducing external component count.
  • Features short-circuit protection, thermal shutdown, and overload detection for reliability.
  • Suitable for portable audio devices, TVs, home audio systems, and automotive infotainment.

Features:

  • High Efficiency: Class D topology minimizes power dissipation.
  • Low EMI Emission: Optimized switching reduces electromagnetic interference.
  • Standby Mode: Low quiescent current for power-saving applications.
  • Pop & Click Suppression: Minimizes audible noise during power-on/off.
  • Flexible Input Configuration: Supports single-ended and differential inputs.

For detailed datasheets, refer to STMicroelectronics' official documentation.

Request Quotation

Part Number:
Quantity:
Target Price($USD):
Email:
Contact Person:
Additional Part Number
Quantity (Additional)
Special Requirements
Verification: =

Recommended Products

  • SI-7600-EL ,1945,SOP20

    SI-7600-EL is a part manufactured by SK, known for its high-quality electronic components.

  • SLA3002 ,100,ZIP

    SLA3002 is a stepper motor driver IC manufactured by Sanken (now part of ON Semiconductor).

  • SK3004KW ,643,TO220

    Part Number:** SK3004KW **Manufacturer:** SK ### **Specifications:** - **Type:** High-power Schottky diode - **Maximum Average Forward Current (IF(AV)):** 30A - **Peak Forward Surge Current (IFSM):** 300A - **Reverse Voltage (VR):** 40V -

  • PCA1265APR,GPS,19,QFP

    M1971M,EPCOS,19,SIP5

Sales Support

Our sales team is ready to assist with:

  • Fast quotation
  • Price Discount
  • Technical specifications
Contact sales