NTE1682 Integrated Circuit Pre–Amplifier Circuit for Remote Control Signal Receivers Description: The NTE1682 is an integrated circuit in a 9–Lead SIP type package designed for use in infrared and various types of remote control signal receivers. Features: D High Sensitivity, High Gain, Low Noise D Waveform Shaping Circuit D Voltage Regulator Circuit Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.6V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25mA Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C Storage Temperatuere Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Operating Supply Voltage Range VCC Supply Current ICC Bias Voltage V3–5 Amplifier Output Voltage V7 Test Conditions Min Typ Max Unit 9.6 12.0 14.4 V VCC = 12V, Input Open 5 8 10 mA VCC = 12V, Input Open 1.65 2.4 3.3 V Vil = 5VP–P Sine Wave, fil = 42kHz, Att: 0db 2.5 3.2 – VP–P Vil = 5VP–P Sine Wave, fil = 42kHz, Att: 80db 0.8 2.3 – VP–P 3.5 4.4 5.0 V – 0.55 0.8 V Pulse Output, High Level V4–5(H) VCC = 12V, VD = 1.3V to 4.0V Pulse Output, Low Level V4–5(L) VCC = 12V, VD = 0V to 0.5V Pin Connection Diagram (Front View) 9 VREF Monitor 8 VCC 7 Amp Output 6 Pulse Input 5 GND 4 Pulse Output 3 Gain Adjust 2 2 Gain Adjust 1 1 Input .929 (23.6) .118 (3.0) .236 (6.0) 1 9 .098 (2.5) .100 (2.54) .118(3.0)