TA7222AP

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The TA7222AP is a classic audio power amplifier integrated circuit (IC) manufactured by Toshiba, commonly used in car stereos, radios, and Hi-Fi audio equipment from the 1980s and 1990s.
Key Features and Specifications
Function: It is a 5.8W audio power amplifier, also described as a dual audio power amplifier for stereo sound reproduction.
Power Output: Delivers a typical output of 5.8 W into a 4Ω load at 13.2V supply with 10% total harmonic distortion (THD), and can reach 9.3 W with a 2Ω load under the same conditions.
Operating Voltage: The recommended operating supply voltage range is 8V to 18V.
Package Type: It comes in a 10-pin Single-In-Line Package (SIP) with a heat sink tab.
Protection Circuits: Includes built-in protection features for enhanced reliability:
Load short-circuit protection
Excessive supply voltage protection (up to 40V surge for 0.2s)
Thermal shut-down protection to prevent overheating
Audio Quality: Features low distortion (typically 0.2% THD at 1W output) and excellent ripple rejection, contributing to high-quality sound reproduction.
External Parts: Requires very few external components, typically only four capacitors, for a functional circuit.
Applications
The TA7222AP is widely utilized in various audio systems, particularly in applications requiring robust and reliable audio amplification.
Automotive Audio: Used extensively in car stereos and CB radios.
Home Entertainment: Found in mini stereo systems, bookshelf speakers, and home theatre setups.
General Audio: Integrated into radios, boomboxes, and DIY audio projects.
Equivalent Components
Alternative or equivalent parts for the TA7222AP exist, which may be used as replacements in repair or design.
ECG1278 / NTE1278
AN7222 (by Panasonic)
TDA7222 (by ST)