MC1377P Color Television RGB to PAL/NTSC Encoder 12V 35mA IC DIP-20

Description

MC1377P Color Television RGB to PAL/NTSC Encoder 12V 35mA IC DIP-20 The MC1377P is a color television RGB to PAL/NTSC encoder integrated circuit designed by Motorola . It generates a composite video signal from baseband red, green, blue, and sync inputs . On-board features include a color subcarrier oscillator, a voltage-controlled phase shifter, two double sideband suppressed carrier (DSBSC) chroma modulators, and RGB input matrices with blanking level clamps . These integrated functions allow for circuit design with minimal external components while achieving performance comparable to studio equipment . Features Reference Oscillator. Trimmable Chroma Axes. On-Chip Regulation. Specifications Parameter Specification / Value Conditions / Remarks Part Number MC1377P Plastic Dual In-Line Package Package Type 20-Lead Plastic DIP Motorola Supply Voltage ( V CC ) 10.0 V (Min) / 12.0 V (Typ) / 14.0 V (Max) Absolute Maximum: 15.0 Vdc Supply Current ( I CC ) 35 mA (Typ) At V CC = 12 V, no load on Pin 9 (~60 mA with 150 Ω load) Operating Temperature ( T A ) 0°C to +70°C Ambient temperature range Power Dissipation ( P D ) 1.25 W (Max) Maximum rating at T A = 25°C Internal Regulator Output ( V B ) 8.2 Vdc Nominal 7.7 V (Min) to 8.7 V (Max); up to 10 mA external load RGB Input Levels 1.0 V pp Required for 100% saturation; 10 kΩ input impedance Sync Pulse Width 2.5 μs (Min) to 5.2 μs (Max) Negative-going sync pulse input Composite Video Output Level 1.4 V pp Luminance: 0.6 V pp , Chroma: 1.4 V pp , Burst: 0.6 V pp Luminance Bandwidth 8.0 MHz -3.0 dB point Chrominance Bandwidth 0.5 MHz to 2.0 MHz Selectable via external filter components Output Impedance 50 Ω Nominal Applies to Composite Video (Pin 9) & Chroma Out (Pin 13) Chroma Axis Accuracy 90° (±5°) Optionally trimable via external circuitry Pinout Applications Video Encoding. TV/Monitor Interfaces. S-VHS Signal Source Processing. VHF Video Modulation. Package Content 1 x MC1377P Color Television RGB to PAL/NTSC Encoder 12V 35mA IC DIP-20. Datasheet MC1377.

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