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| NTE1791 Integrated Circuit TV Remote Control Amplifier Description: The NTE1791 is a silicon monolithic integrated circuit in a 9-Lead SIP type package designed for remote control preamplification of infrared signals. A PIN photo diode can be directly connected to the input terminal. This device contains a high gain amplifier, a peak detector, and an output waveform shaper which are necessary for a remote control preamplifier and has improved light interference-rejection characteristics by use of a two-stage tuning circuit. The NTE1791 output polarity is active "LOW". Features: D Good Immunity from Light Interference: Narrow Bandwidth 1.3kHz Typ. D Operation Voltage: 6V 10% D Low Power Consumption: 2.4mA Typ. D High Input Sensitivity: 50VP-P Typ. D Peak Detector: The Detector Level is Varied with the Input Signal Level. D Output Terminal: Open Collector Output. Easy to Interface to Other Devices. Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V Output Terminal Voltage, VOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270mW Operating Temperature range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +75C Storage Temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +125C Recommended Operating Conditions: Parameter Power Supply Input Frequency Symbol VCC fin Min 4.5 30 Typ 5.0 - Max 5.5 60 Unit V kHz Electrical Characteristics: (TA = +25C, VCC = 5V, fin = 40kHz unless otherwise specified) Parameter Supply Current Input Terminal Voltage 1st Stage Voltage Gain Detector Input Input Impedance Output Voltage Output Leakage Current Symbol ICC Vin1 Vin2 AL in rin VOL IOH IOL = 0.5mA, in = 1mVP-P VOH = 14.4V Iin = 30A #8 - #4, out = 500mVP-P Test Conditions Min 1.6 1.0 2.0 - - 40 - - Typ 2.4 1.25 2.35 66 50 60 - - Max 3.5 1.45 2.5 - 100 80 0.5 2 Unit mA V V dB VP-P k V A Pin Connection Diagram (Front View) 9 VCC 8 Input 7 Peak Hold Detector 6 Bias Filter 5 GND 4 1st Stage Tank 3 Carrier Filter 1 2 2nd Stage Tank 1 Output .900 (22.86) .110 (2.79) 1 9 .226 (5.75) Max .125 (3.18) .100 (2.54) |
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