NTE1492

NTE1492 Integrated Circuit TV Video IF Amp Features: D Particularly useful in B/W TV’s with bipolar tuners D Low external parts count D Designed to operate at VCC down to 6.5V D Video output level stabilized, independent of supply voltage and ambient temperature Functions: D Picture IF Amplifier D Video Detector D AGC Detector D Noise Canceller D Forward AGC D Sync. Separator Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage (Note 1), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Max. Input Voltage, VINmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Vp−p Video Output Current, I11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3mA Max. Applicable Voltage Pins 3 & 4, V3, V4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC Pin 6, V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.3V Power Dissipation (TA = 60°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +65°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C Note 1. Value at t ≤ 60sec. min. Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Input Sensitivity Video Output Voltage Min. RF AGC Voltage Max. RF AGC Voltage Sync. Separated Output Video Band Width Sync. Tip Voltage Supply Current Symbol Vi(sens) Vout V3min V3max V11 GW Vsync ICC Test Conditions m = 87.5% Vin = 10mVrms, m = 87.5% Vin = 0 Pin 4 to GND Vertical Sync. Pulse Vout = {f = 6MHz}/Vout{f = 100kHz} Vin = 10mVrms Vin = 0 Min 37 0.95 1.6 6.0 9.0 −13 4.64 33 Typ 42 1.21 1.8 7.0 10.3 −6 5.14 41 Max 47 1.47 2.0 8.0 − −1 5.64 53 Unit dBμ Vp−p V V V dB V mA Pin Connection Diagram IF Input DC Feedback RF AGC Output RF AGC Input AGC Det Output IF AGC Output GND Carrier Filter 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IF Input DC Feedback Sync Sep Input Sync Sep Output VCC Video Output Reference Voltage Carrier Filter 16 9 .260 (6.6) Max 1 8 .785 (19.9) Max .200 (5.08) Max .245 (6.22) Min .300 (7.62) .100 (2.54) .700 (17.7)