NTE822 Integrated Circuit Video/Chroma Processor Description: The NTE822 is a monolithic silicon integrated circuit that performs the luminance processing functions in color TV receivers. This circuit amplifies chroma signals, provides horizontal and vertical blanking, and automatically controls contrast, brightness, peaking and black and chroma levels. Features: D Automatic Black−Level Control D Automatic Controls for Contrast and Peaking D Automatic Color−Level Control D Horizontal and Vertical Blanking D Automatic Beam−Current Limiting D Positive or Negative Vertical Blanking Pulses D Internal Noise Protection for Automatic Functions Absolute Maximum Ratings: DC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V DC Suply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21mA Device Dissipation Up to TA = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750mW Above TA = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Derate Linearly at 11.1 mW/°C Operating Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +60°C Storage Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C Lead Temperature During Soldering (from case for 10 seconds max) . . . . . . . . . . . . . . . . . . . +265°C Electrical Characteristics: (TA = +25°C, V+ = 24V, unless otherwise specified) Parameter Test Conditions Min Typ Max Unit Total Supply Current 13 16 19 mA Reference Bias Level (Pin 7) − 5.25 − V Reference Level (Pin 2) S2 =2 (with 1mA into Pin 1) S3 = 2 − 12.2 − V Static Characteristics Electrical Characteristics (Cont’d): (TA = +25°C, V+ = 24V, unless otherwise specified) Parameter Test Conditions Min Typ Max Unit Dynamic Characteristics Max. Video Gain − Read eo ein = 1Vp−p, f = 100KHz, S5 to Pos. 1 − 13.5 − dB Min. Video Gain − Read eo ein = 1Vp−p, f = 100KHz, S5 to Pos. 2 − −4.4 − dB Relative Freq. Response − Read eo ein = 1Vp−p, f = 3.58MHz, S5 to Pos. 1 − −0.2 − dB Contrast Gain Reduction − Read eo ein = 1Vp−p, f = 100kHz, S5 to Pos. 2 − −17.9 − dB Auto−Peaking Level − Read P3 to P13 ein = 1Vp−p, S5 to Pos. 1 − 165 − mV ein = 0.5Vp−p, S5 to Pos. 1 − 115 − mV ein = 0Vp−p, S5 to Pos. 1 − 0 − mV Max. Chroma Out Level − Read P8 (E5 = 5V) ec = 1Vp−p, f = 3.58MHz S4 off − 5 − V Min. Chroma Out Level − Read P8 (E5 = 5V) ec = 1Vp−p, f = 3.58MHz S4 on − 10 − V Pin Connection Diagram Brightness Control 1 16 Horiz Key Pulse Video Output 2 15 Horiz Pulse Output Peaking Threshold 3 14 ±Vertical Bank 4 13 Aperture Corrector Video Output 5 12 Peaked Video Input Contrast Control 6 11 Video Input Chroma Input 7 10 GND Chroma Output 8 9 ALC VCC 16 9 .260 (6.6) Max 1 8 .785 (19.9) Max .300 (7.62) .200 (5.08) Max .245 (6.22) Min .100 (2.54) .700 (17.7)