NTE1593 Integrated Circuit Colot TV VIR Processor Description: The NTE1593 is designed for automatic adjustment of the color saturation and tint of color television receiver. Functions: D Identification of line 19 and the detection of the presence of a VIR signal D The development of dc color−controlling voltage by processing the VIR portion of the receiver’s simulated blue drive signal D The development of dc tint controlling voltage by processing the VIR portion of the receiver’s demodulated R−Y signal Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V LED Drive Current, ILED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Power Dissipation (TA = +65°C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600mW Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −10° to +65°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified) Parameter Symbol Test Conditions Current Drive ICC LED OFF Output Voltage of C l Control C t l Stage St Color V5H VIR: ON V5L V5H VIR: OFF, Manual V5L Output Voltage of Ti t Control C t l Stage St Tint V6H VIR: ON V6L V6H VIR: OFF, Manual V6L Differential Voltage Gain of Color Control Stage GVD1 Differential Voltage Gain of Tint Control Stage GVD2 VIR: ON RL = 10kΩ Min Typ Max Unit − 21 35 mA High Level 10 11.2 − V Low Level − 0.5 1.0 V High Level − 10.7 − V Low Level − 0 − V High Level 10 11.4 − V Low Level − 0.3 1.0 V High Level − 10.7 − V Low evel − 0 − V Input: Pin 3 to Pin 4 Output: Pin 5 − 40 − dB Input: Pin 4 to Pin 9 Output: Pin 6 − 3.4 − dB Pin Connection Diagram VCC 1 16 Variable Y + (B − Y) 2 15 3 14 4 13 5 12 Tint Control Output 6 11 GND 7 10 R − Y Input 8 9 Color Sample & Hold Reference Sample & Hold Color Saturation Control Output 16 Vert Sync Input (Positive Going) Vert Sync Input (Negative Going) Horiz Flyback Pulse Input Chroma Pulse Width Adjust Composite Video Input (Negative Going Sync) Composite Video Input (Positive Going Sync) LED Indicator Tint Sample & Hold 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)