TDA1904 - ST Microelectronics

TDA1904 4WAUDIO AMPLIFIER

The TDA 1904 is a monolithic integrated circuit in POWERDIP package intended for use as low-frequency power amplifier in wide range of applications in portable radio and TV sets. ABSOLUTE MAXIMUM RATINGS Symbol VS IO IO Ptot Supply voltage Peak output current (non repetitive) Peak output current (repetitive) Total power dissipation at Tamb = 80°C at Tpins = .

Features

1904 ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb = 25 °C, Rth (heatsink) = 20 °C/W, unless otherwisw specified) Symbol Vs Vo Id Po Parameter Supply voltage Quiescent output voltage Quiescent drain current Output power Vs = 4V Vs = 14V Vs = 9V Vs = 14V d = 10% Vs = 9V Vs = 14V Vs = 12V Vs = 6V f = 1 KHz RL = 4Ω 1.8 4 3.1 0.7 Test conditions Min. 4 2.1 7.2 8 10 2 4.5 15 18 Typ. Max. 20 Unit V V mA W d Harmonic distortion f = 1 KHz Vs = 9V R L = 4Ω Po = 50 mW to 1.2W Vs = 9V Vs = 14V f = 1 KHz f = 1 KHz Vs = 9V Vs = 14V Vs = 14V Vs = 14V f = 1 KHz Vs = 14V f = 1 KHz R g = 50Ω .