NTE740A Overview
Description
TheNTE740A is an Audio Power Amplifier in a 14–Lead DIP type package designed for minimal external component requirements. Features: D Low Distortion D Low Quiescent Current D 34dB Internally Fixed Gain D High Input Impedance D Thermal Overload Protection D Output Short Circuit Current Limiting Parameter Supply Voltage Range Quiescent Supply Current Quiescent Output Voltage Output Voltage Swing Voltage Gain Total Harmonic Distortion Audio Output Power Input Impedance Power Supply Rejection Ratio Equivalent Input Noise Voltage Sensitivity Input Voltage Bandwidth (–3dB) ein BW Symbol VCC ICC VOQ VO AV THD Pout Zin PSRR No Signal Applied No Signal Applied, Note 1 Pout = 2W Pout = 0 Pout = 2W, Note 2 Pout = 50mW, Note 3 THD = 2%, RL = 8Ω, Note 4 THD = 2%, RL = 16Ω, Note 4 Each Input Pout = 0, f = 120Hz, Note 5 f = 20Hz to 20kHz eout = 4.0Vrms, Pout = 2W Pout = 1W, Note 6 Test Conditions Min 9 – 9 – 31 – – 2.0 2.0 140 – – – – Typ 10 15 – 12 34 1.0 0.5 2.5 2.5 170 40 60 80 100 Max 26 – – – 37 2.0 1.0 – – – – – – – Unit V mA V VP–P dB % % W W kΩ dB µVrms mV kHz The quiescent output voltage typically equals 1/2 the normal VCC voltage = 1 Volt.
Key Features
- When driving a 16Ω load, the nominal VCC
