NTE7115

NTE7115 Integrated Circuit Color TV Horizontal Combination Circuit Description: The NTE71115 is a monolithic integrated circuit in a 18–Lead DIP type package designed for use in color television receivers. Features: D Positive Video Input: Capacitively Coupled (Source Impedance < 200Ω) D Adaptive Sync Separator: Slicing Level at 50% of Sync Amplitude D Internal Vertical Pulse Separator w/Double Slope Integrator D Output Stage for Vertical Sync Pulse or Composite Sync Depending on the Load; Both are Switched OFF at Muting D ö1 Phase Control Between Horizontal Sync and Oscillator D Coincidence Detector ö3 for Automatic Time Constant Switching; Overruled by the VCR Switch D Time Constant Switch Between Two External Time Constants for Loop Gain; Both Controlled by the Coincidence Detector ö3 D ö1 Gating Pulse Controlled by Coincidence Detector ö3 D Mute Circuit Depending on TV Transmitter Identification D ö2 Phase Control Between Line Flyback and Oscillator; the Slicing Levels for ö2 Control and Horizontal Blanking can be set Separately D Burst Keying and Horizontal Blanking Pulse Generation, in Combination with Clamping of the Vertical Blanking Pulse (Three–Level Sandcastle) D Horizontal Drive Output with Constant Duty Cycle Inhibited by the Protection Circuit or the Supply Voltage Sensor D Detector for Too Low Supply Voltage D Protection Circuit for Switching Off the Horizontal Drive Output Continuously if the Input Voltage is Below 4V or Higher than 8V D Line Flyback Control Causing the Horizontal Blanking Level at the Sandcastle Output Continuously in Case of a Missing Flyback Pulse D Spot Suppressor Controlled by the Line Flyback Control Applications: D Television Receivers D Video Receivers Absolute Maximum Ratings: Supply Voltage (Pin19), V15–5 = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V Voltages at: (Pin1, Pin4, and Pin7), V1–5, V4–5, V7–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V (Pin8, Pin13, and Pin18), V8–5, V13–5, V18–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC (Pin11 (Range)), V11–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 to +6.0V Currents at: Pin1, I1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA Pin2 (Peak Value), ±I2M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA Pin4, I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA Pin6 (Peak Value), ±I6M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6mA Pin7, I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA Pin8 (Range), I8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5 to +1mA Pin9 (Range), I9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10 to +3mA Pin18, ±I18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA Total Power Dissipation, PTOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mW Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C DC and AC Electrical Characteristics: (VCC = 12V, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Composite Video Input and Sync Separator, Pin11 (Internal Black Level Determination) Input Signal (Positive Video; Standard Signal; Peak–to–Peak Value) Sync Pulse Amplitude (Independent of Video Content) Generator Resistance Input Current During Video Sync Pulse Black Level V11–5(P–P) V11–5(P–P) RG I11 –I11 –I11 0.2 50 – – – – 1.0 – – 5 40 25 3.0 – 200 – – – V mV Ω µA µA µA Composite Sync Generation, Pin10 (Horizontal Slicing Level at 50% of the Sync Pulse Amplitude) Capacitor Current During Video Sync Pulse I10 –I10 V9–5 tp tD – – 16 170 – – µA µA V µs µs Vertical Sync Pulse Generation, Pin9 (Slicing Level at 30% (60% Between Black Level and Horizontal Slicing Level)) Output Voltage Pulse Duration Delay With Respect to the Vertical Sync Pulse (LeadinG Edge) Pulse–Mode Control Output Current for Vertical Sync Pulse (Dual Integrated) Output Current for Horizontal and Vertical Sync Pulse (Non–Integrated Separated Signal) Horizontal Oscillator, Pin14 and Pin16 Free–Running Frequency Reference Voltage for fOSC fOSC V14–5 – – 15.625 6 – – kHz V 10 – – – 190 45 – – – No Current Applied at Pin9 Current Applied Via a 15kΩ from VCC to Pin9 DC and AC Electrical Characteristics (Cont’d): (VCC = 12V, TA = +25°C unless otherwise specified) Parameter Symbol ∆fOSC/∆I14 ∆fOSC ∆fOSC ∆fOSC/fOSC V = 12V ∆V15–5/V15–5 CC ∆fOSC TC –I16 I16 tR tF V4–5 tP VCC ∆VP I4 = 30mA Test Conditions Min Typ Max Unit Hz/µA % % Horizontal Oscillator, Pin14 and Pin16 (Cont’d) Frequency Control Sensitivity Adjustment Range of Circuit Spread of Frequency Frequency Dependency (Excluding Tolerance of External Components) w/Supply Voltage w/Supply – – – 31 ±10 – – – 5 – – – – – – – ±0.05 – – 1024 313 49 15 – 10 ±10–4 – – – – % % °C–1 µA µA µs µs V µs V mV Voltage Drop of 5V w/Temperature Capacitor Current During: Charging Discharging Sawtooth Voltage Timing (Pin14) Rise Time Fall Time Horizontal Output Pulse, Pin4 Output Voltage, Low Pulse Duration, High Supply Voltage for Switching Off the Output Pulse (Pin15) Hysteresis for Switching On the Output Pulse Phase Compensation, ϕ1, Pin17 Control Voltage Range Leakage Current Control Current: for External Time Constant Switch at V18–5 = V15–5 and V13–5 < 2V or V13–5 > 9.5V at V18–5 = V15–5 and V13–5 = 2 to 9.5V Horizontal Oscillator Control Control Sensitivity Catching and Holding Range Spread of Catching and Holding Range Internal Keying Pulse Time Constant Switch Slow Time Constant Fast Time Constant Impedance Converter Offset Voltage (Slow Time Constant) Output Resistance Slow Time Constant Fast Time Constant – – – – – 29 ±1.5 4 250 0.5 – – – V17–5 I17 ±I17 V17–5 = 3.55 to 8.3V 3.55 – 1.8 – 1.8 – – 2.0 8 2.0 – ±680 ±10 7.5 – – – 8.3 1 2.2 – 2.2 – – – – 2.0 9.5 3 V µA mA mA mA kHz/µs Hz % µs V V mV Sϕ ∆fOSC tP V13–5 ±V17–18 R18–5 V13–5 = 2.9 to 9.5V 6 – – – 9.5 2.0 – – High Impedance – – 10 – Ω Ω DC and AC Electrical Characteristics (Cont’d): (VCC = 12V, TA = +25°C unless otherwise specified) Parameter Phase Compensation, ϕ1, Pin17 (Cont’d) Leakage Current Coincidence Detector, ϕ3, Pin13 Output Voltage w/ Coincidence w/Composite Video o Signal Coincidence w/o Composite Video Signal (Noise) w/Coincidence w/Composite w/ o Symbol Test Conditions Min Typ Max Unit µA I18 V13–5 – – 1 – – – – – 6 1 2 – V V V Video Signal Output Current w/ Coincidence w/Composite Video o Signal w/Coincidence w/Composite Video Signal I13 –I13 I13 I13(av) V13–5 = VCC–0.5V V13–5 = 0.5V (Average) tFP = 12µs, Note 2 – – – – 50 300 – – 2.6 ±0.7 – – 100 100 µA µA µA µA µs Switching Current Phase Comparison, ϕ2, Pin2 and Pin3 (Note 1) Phase Relation Between Middle of the Horizontal Sync Pulse and the Middle of the Line Flyback Pulse If Additional Adjustment is Required, it can be Arranged by Applying a Current at Pin3, such that for Applied Current Input for Line Flyback Pulse, Pin2 Switching Level for ϕ2 Comparison Switching Level for Horizontal Blanking and Flyback Control Input Voltage Limiting Switching Current at Horizontal Flyback at Horizontal Scan Maximum Negative Input Current Phase Detector Output, Pin3 Control Current for ϕ2 Control Range Static Control Error Leakage Current ±I3 ∆tϕ2 ∆t/∆td I3 – – – – 1 19 – – – – 0.2 5 mA µs % µA –I2 V2–5 V2–5 V2–5 I2 0.01 – – 1.0 – – – 2.0 500 mA µA µA – – – 3 0.3 –0.7 +4.5 – – – V V V ∆t – – ∆I/∆t – 30 – µA/µs Note 1. Phase comparison between horizontal oscillator and the line flyback pulse. Generation of a phase–modulated (ϕ2) horizontal output pulse with constant duration. Note 2. tFP is the line flyback pulse duration. DC and AC Electrical Characteristics (Cont’d): (VCC = 12V, TA = +25°C unless otherwise specified) Parameter Burst Gating Pulse, Pin6 (Note 3) Output Voltage Pulse Duration Phase Relation Between Middle of Sync Pulse at the Input and the Leading Edge of the Burst Gating Pulse Output Trailing Edge Current Horizontal Blanking Pulse, Pin6 (Note 3) Output Voltage Output Trailing Edge Current Saturation Voltage at Horizontal Scan V6–5 I6 V6–5sat V6–5 I6min I6max V12–5 – 7 – – 1 – V V I6 = 2.8mA V6–5 > 2.15V V6–5 < 3V 4.2 – – 4.5 2 – 4.9 – 0.5 V mA V V6–5 tp tϕ6 V6–5 = 7V 10 3.7 2.15 11 4.0 2.65 – 4.3 3.15 V µs µs Symbol Test Conditions Min Typ Max Unit I6 – 2 – mA Clamping Circuit for Vertical Blanking Pulse, Pin6 (Note 3) Output Voltage Minimum Output Current Maximum Output Current TV Transmitter Identification, Pin12 Output Voltage No TV Transmitter TV Transmitter Identified Mute Output, Pin7 Output Voltage, No TV Transmitter Output Resistance, No TV Transmitter Output Leakage Current, TV Transmitter Identified No–Load Voltage (Operative Condition) Threshold Positive–Going Voltage Negative–Going Voltage Current Limiting Input Resistance Response Delay of Threshold Switch ±I8 R8–5 td V1–5sat I1 I1 = 3mA V8–5 = 1 to 8.5V V8–5 > 8.5V V7–5 R7–5 I7 I7 = 3mA I7 = 3mA V12–5 > 3V – – – – – – 0.5 100 5 V Ω µA 2.15 – – 2.5 2.3 3.3 3.0 – – V mA mA Protection Circuit, Pin8 (Beam Current/EHT Voltage Protection) V8–5 V8–5 – – – – – I8 = 0 – 6 8 ±0.8 4 ±0.4 60 3 10 – – – – – – V V V µA kΩ µs V µA Control Output of Line Flyback Pulse Condition, Pin1 Saturation Voltage at Standard Operation Output Leakage Current in Case of Break in Transmission – – – – 0.5 5 Note 3. Three–level sandcastle pulse. Pin Connection Diagram Control Out Line FB Pulse Control 1 FB Pulse Input 2 Phase Det 3 Horiz Output Pulse 4 GND 5 Burst Gating Pulse 6 Mute Output 7 EHT Volt Protection 8 Vert Sync Pulse Gen 9 18 Volt Fol Output 17 Phase Com 16 Horiz OSC 15 VCC 14 Horiz OSC 13 Coin Det 12 TV Trans Ident 11 Comp Video In/Sync Sep 10 Comp Sync Gen 18 10 1 9 .870 (22.1) Max .150 (3.8) .250 (6.35) .100 (2.54) .800 (20.3) .125 (3.17) Min