NTE1296 Integrated Circuit TV Chroma Processor/Demodulator Features: D No AGC or Killer Adjustment Necessary D Transformerless VCO Absolute Maximum Ratings: (TA = +25°C, unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Power Dissipation (TA = +65°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600mW Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −15° 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 Min Typ Max Unit 23.7 29.0 37.2 mA Supply Current ICC Max. Chroma Output Ec Burst:Chroma = 1:1, Burst = 90mVp−p 0.57 0.67 0.77 Vp−p ACC Range EA Burst:Chroma = 1:1, Burst = 10mVp−p 0.38 0.55 0.74 Vp−p Killer Threshold EK Burst 90mVp−p = 0dB − −35 − dB Phase Detector Sensitivity µ Gate Pulse Width = 5µs − 8 − mV/deg VCO Control Sensitivity β − 4 − Hz/mV APC Pull−In Range fP ±300 − − Hz Free−Running Frequency fo −100 0 100 Hz VCO Output V4 0.6 0.9 1.2 Vp−p B−Y Output, f(beat) = 10kHz 4.5 6.2 − Vp−p R−Y Output 6.2 7.8 9.4 Max. Burst Output Voltage Demod Conversion Gain Demod Conversion Ratio Eb(max) Gr−y Gate Off Eb−y/Er−y B−Y Output, R−Y Output 1.19 1.33 1.47 Eg−y/Er−y (R−y) − (B−Y) = 100deg. G−Y/R−Y Output 0.32 0.37 0.42 ecar1 No Signal Input measured with 3.58MHz BPF − − 0.2 Vp−p ecar2 1.2Vp−p CW input measured with BPF − − 3.5 Vp−p Color Killer Leakage eK1 − − 1 mVrms Color Control Leakage ec1 Bursy:Chroma = 1:1 R i b Rainbow Color C l Bar B − − 1 mVrms Demod Carrier Leakage Demod. DC Output Voltage Eo(dc) No signal input, VCO free−running 6.4 7.0 7.6 V Differential Demod Output Voltage ∆Eo(dc) No signal input, VCO free−running (B−Y) − (R−Y), (R−Y) − (G−Y), (G−Y) − (B−Y) −0.2 0 0.2 V Pin Connection Diagram APC Network 17 B − Y Output 1 16 Demodulator Input R − Y Output 2 15 Bypass G − Y Output 3 14 Bandpass Amp Output Crystal 4 13 VCC Crystal 5 12 Color Control Tint Control 6 11 Chroma Input VCO Control 7 10 Bypass Flyback Pulse Input 8 9 Chroma Input GND 18 1.007 (25.5) Max .964 (24.4) 18 17 18 17 8 1 .291 (7.4) Max 16 9 .248 (6.3) .252 (6.4) .200 (5.08) 15° .188 (4.77) .020 (.508) .051 (1.29) .100 (2.54) Typ .009 (0.22)