NTE1093 Integrated Circuit High Gain, 1W, Audio Amplifier Description: The NTE1093 is a monolithic integrated circuit consisting of a high gain direct−coupled 2 stage preamplifier and 1W AF output pushpull power amplifier. It is designed for use in portable tape recorders and radios where low voltage operation and low power consumption is required. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mA Power Dissipation, Pd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3W Operating Temperature, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C Storage Temperature, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C Electrical Characteristics: (VCC = 6V, TA = +25°C, f = 1kHz, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 7 12 16 mA Supply Current ICC Vi = 0 Output Power PO T.H.D. ≤ 10% NFB 0.8 1 − W Voltage Gain 1 AV1 VI = −60dBm 52 58 − dB Voltage Gain 2 AV2 Vi = −60dBm 58 65 − dB Input Resistance 1 Ri1 NFB − 20 − kΩ Input Resistance 2 Ri2 NFB − 20 − kΩ PO = 50mW − 0.5 1.5 % NFB RG = 1kΩ, RL = 8Ω − 0.5 2 µV Total Harmonic Distortion Noise Level T.H.D. NL Pin Connection Diagram GND 1 14 Input 1 Bypass 2 13 VCC Bypass 3 12 Input Transistor/Output 2 Output 1 4 11 Input Transistor Input 2 5 10 Input Transistor Emitter 6 9 Input Transistor Collector 7 8 Collector Tab/GND .164 (4.2) .252 (6.4) .764 (19.4) Max .300 (7.62) .200 (5.08) Max .100 (2.54) .020 (.508) .100 (2.54)