NTE1102 Integrated Circuit 3 Stage Audio Amplifier Features: D Recommended for Driver of Push–Pull Output Stage D Possible to Drive 4 Watt Output Stage D Wide Range of Supply Voltage Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Source Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA Internal Power Dissipation, PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mW Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3V Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Electrical Characteristics: (TA = +25°C, VCC = 10V unless otherwise specified) Parameter Collector Current Symbol Test Conditions Typ Max Unit – 10 – mA f = 1kHz, ZL = 1kΩ, KF = 5% – 30 – mW – dB Ic5 Min Output Power POUT Voltage Gain GV f = 1kHz, ZL = 1kΩ 40 – Input Resistance RIN f = 1kHz, ZL = 1kΩ – 1.0 f = 1kHz 10 – Output Resistance ROUT kΩ – kΩ Equivalent Circuit Pin Connection Diagram (Front View) 4 R3 30kΩ 5 Output Q2 1 5 4 VCC 3 GND Q3 R1 R5 Q1 1kΩ 1kΩ 2 Feedback R4 1 Input 10kΩ 2 R2 82Ω R6 50Ω 3 .493 (12.52) Max .119 (3.02) .099 (2.5) Min 1 5 .012 (0.25) .363 (9.22 Max .100 (2.54) .400 (10.16)