Professional IC Distribution & Technical Solutions

The KA2209B is an integrated circuit (IC) manufactured by Samsung. Below are its specifications, descriptions, and features:

Specifications:

• Type: Dual Power Amplifier IC
• Power Supply Voltage (VCC): 6V to 15V (recommended 12V)
• Output Power: 2.25W per channel (typical at 12V, 4Ω, THD = 10%)
• Total Harmonic Distortion (THD): 0.5% (typical at 1W, 4Ω)
• Operating Temperature Range: -20°C to +75°C
• Package: SIP-9 (Single Inline Package with 9 pins)

Descriptions:

• The KA2209B is a dual-channel audio power amplifier IC designed for low-power audio applications.
• It is commonly used in portable radios, cassette players, and other small audio devices.
• The IC features built-in thermal shutdown and overvoltage protection for reliable operation.

Features:

• Dual-channel amplifier (stereo operation)
• Low quiescent current (efficient power consumption)
• Minimal external components required for circuit design
• Good noise performance for clear audio output
• Thermal and short-circuit protection for enhanced durability

This IC is now considered obsolete, as Samsung has discontinued its production. Alternative ICs with similar functionality may be available from other manufacturers.

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