The document describes the features and characteristics of the TEA2025B and TEA2025D stereo audio amplifiers. These amplifiers can operate in dual or bridge connection modes with few external components. They have a supply voltage down to 3V, high channel separation, very low switch on/off noise, and a maximum gain of 45dB which can be adjusted with an external resistor. The amplifiers also feature soft clipping and thermal protection. The supply voltage range is 3V to 15V, and the power output is 2W or 2.3W with a 4Ω load.
The TEA2025B and TEA2025D are monolithic integrated circuits designed for use as dual or bridge power audio amplifiers in portable radio cassette players. The TEA2025B is available in a PowerDIP 12+2+2 package with thermal protection, while the TEA2025D is in a 12+4+4 SO package.
The TEA2025B is available in PowerDIP 12+2+2, and the TEA2025D is in 12+4+4 SO.
Yes, the TEA2025B includes thermal protection.