NTE7011

NTE7011 Integrated Circuit 20W Audio Power Amplifier Circuit Description: The NTE7011 is an integrated circuit in a 12−Lead SIP type package designed for use as a BTL power amplifier with built−in headphone amp for portable stereo applications. Typical applications include portable component stereos, car stereo, radio cassette recorders, and TV sound multiplex output. Features: D Low Quiescent Current, Low Distortion, Low Noise, High Output Power D Wide Supply Voltage range: VCC = 6 to 26V D Built−In Muting Circuit D Built−In Protection Circuits: Temperature, Surge, Overcurrent D Built−In Headphone Amplifier Circuit Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26V Peak Supply Voltage, VCC(surge) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.7W Operating Ambient Temperature, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30°to +75°C Storage Temperature, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C Electrical Characteristics: (VCC = 15V, f = 1kHz, TA = +25°C unless otherwise specified) Parameter Quiescent Circuit Current Power Amplifier Output Noise Voltage Voltage Gain Total Harmonic Distortion Vno GV THD Rg = 10kΩ, f = 15Hz, to 30kHz, 12dB/OCT, RL = 4Ω Vi = 5mV, RL = 4Ω Vi = 5mV, RL = 4Ω − 48.5 − 0.6 50.5 0.15 1.0 52.5 0.5 mV dB % Symbol ICQ Test Conditions Vi = 0, RL = 4Ω Min − Typ 45 Max 75 Unit mA Electrical Characteristics (Cont’d): (VCC = 15V, f = 1kHz, TA = +25°C) Parameter Maximum Output Power Output Offset Voltage Headphone Amp Output Noise Voltage Voltage Gain Maximum Output Power Vno−H GV−H PO−H Rg = 10Ω, f = 15Hz, to 30kHz, 12dB/OCT, RL = 33Ω Vi = 10mV, RL = 33Ω THD = 1%, RL = 33Ω Block Diagram 7 11 2 Symbol PO VO(offset) Rg = 0Ω Test Conditions THD = 10%, RL = 4Ω Min 20 − − 17.5 10 Typ 23 − 0.1 19.5 − Max − 150 1.0 21.5 − Unit W mV mV dB mW 12 Headphone Amp. Output Circuit Input Circuit Driver Circuit SEPP Output Circuit 3 Ripple Rejection Muting Circuit Protection Circuit (Temperature, Surge, Over Current) 1 VCC Headphone Amp. Output Circuit Input Circuit Driver Circuit SEPP Output Circuit 5 10 GND (Input) 9 8 4 GND (Output) 6 Pin Connection Diagram 12 Output (Headphone Amp) 11 Ch 1 N.F.B. 10 GND (Input) 9 8 Front View 7 6 5 4 3 2 Input Ch 1 N.F.B. Ripple Filter Ch 1 Bootstrap Ch 1 Output GND (Output) Ch 2 Output Ch 2 Bootstrap 1 VCC 1.181 (30.0) .945 (24.0) .185 (4.7) .591 (15.0) .140 (3.56) .310 (7.87) 1 12 .295 (7.5) Min .100 (2.54) Typ 1.200 (30.5) .106 (2.7)