NTE1606 Integrated Circuit Dual Audio Power Amplifier, 4W to 7W Description: The NTE1606 is an audio power amplifier integrated circuit in a 12–Lead SIP type package specifically designed for cassette radio applications. This device delivers 4.3W per channel under a 12V power supply and 6.8W under a 15V power supply to a 4Ω load. Features: D Low Quiescent Current for Efficient Battery Operation D Audio Muting Circuit Included D Designed for Low Crossover Distortion Under a Low Idling Current D No Electrical Isolation Needed for Simple Chassis Mounting D Internal Thermal Protection Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Operating Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Peak Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Quiescent Current IQ Vin = 0 – 36 60 mA Input Bias Current IB Vin = 0 – – 1.0 µA Voltage Gain GV Vin = 46dB 44 46 48 dB – – ±1.5 dB VCC = 12V 3.8 4.3 – W VCC = 15V 6.0 6.8 – W Difference of Voltage Gain ∆GV Vin = –46dBm Output Power Per Channel Pout RL = 4Ω, THD = 10% Total Harmonic Distortion THD Pout = 0.5W – 0.25 1.0 % Noise Output WBN Rg = 10kΩ, BW = 20Hz to 20kHz – 0.4 1.0 mV Supply Voltage Rejection Ratio SVR f = 100Hz, Vripple = 0dBm 40 44 – dB Rolloff Frequency fH Vin = –46dBm, GV = 3dB from f = 1kHz Ref 12 20 33 Hz Crosstalk CT Vin = –46dBm – 60 – dB Muting Attenuation ATT IMUTE = 5mA, Vin = –46dBm – 60 – dB Pin Connection Diagram (Front View) 12 Ch 1 Output 11 Ch 1 Feedback 10 VCC 9 GND 8 Ch 2 Feedback G N D 7 Ch 2 Output 6 Bypass 5 Ch 2 Input 4 Mute Control 3 Bypass 2 Ch 1 Input 1 Bypass 1.230 (31.2) .059 (1.5) Max 1.100 (28.0) .787 (20.0) .161 (4.1) Dia .142 (3.6) Dia .630 (16.0) Max 1 12 .100 (2.54) .276 (7.0) Min .150 (3.81) Max