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TEA2037 Dataheets PDF



Part Number TEA2037
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description HORIZONTAL AND VERTICAL DEFLECTION MONITOR
Datasheet TEA2037 DatasheetTEA2037 Datasheet (PDF)

TEA2037A HORIZONTAL AND VERTICAL DEFLECTION MONITOR . . . . . . . . . DIRECT LINE DARLINGTON DRIVE DIRECT FRAME-YOKE DRIVE (± 1A) COMPOSITE VIDEO SIGNAL INPUT CAPABILITY FRAME OUTPUT PROTECTION AGAINST SHORT CIRCUITS PLL HORIZONTAL OSCILLATOR FREQUENCY RANGE FROM 15kHz TO 100kHz VERTICAL OSCILLATOR FREQUENCY RANGE FROM 30Hz TO 120Hz VERY FEW EXTERNAL COMPONENT VERY LOW COST POWER PACKAGE POWERDIP (8+8) (Plastic Package) ORDER CODE : TEA2037A DESCRIPTION The TEA2037Ais an horizontal and vertic.

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TEA2037A HORIZONTAL AND VERTICAL DEFLECTION MONITOR . . . . . . . . . DIRECT LINE DARLINGTON DRIVE DIRECT FRAME-YOKE DRIVE (± 1A) COMPOSITE VIDEO SIGNAL INPUT CAPABILITY FRAME OUTPUT PROTECTION AGAINST SHORT CIRCUITS PLL HORIZONTAL OSCILLATOR FREQUENCY RANGE FROM 15kHz TO 100kHz VERTICAL OSCILLATOR FREQUENCY RANGE FROM 30Hz TO 120Hz VERY FEW EXTERNAL COMPONENT VERY LOW COST POWER PACKAGE POWERDIP (8+8) (Plastic Package) ORDER CODE : TEA2037A DESCRIPTION The TEA2037Ais an horizontal and vertical deflection circuit. It uses the same concept as TEA2117 but optimised for small screens, for a very low cost solution. PIN CONNECTIONS FRAME OSCILLATOR FLYBACK GENERATOR SUPPLY FRAME FLYBACK GROUND GROUND INVERTING INPUT FRAME POWER SUPPLY FRAME OUTPUT 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 V CC1 VIDEO INPUT LINE OUTPUT GROUND GROUND LINE FLYBACK PHASE DETECTOR 2037A-01.EPS LINE OSCILLATOR September 1996 1/9 TEA2037A BLOCK DIAGRAM 16 1 7 + POWER STAGE 3 2 4 FRAME OSCILLATOR FRAME-SYNC. OSCILLATOR SEPARATOR FRAME FLYBACK GENERATOR 5 12 13 8 6 Yoke 15 INPUT STAGE PHASE DETECTOR LINE OSCILLATOR OUTPUT STAGE 14 TEA2037A 11 10 9 V CC1 2037A-02.EPS ABSOLUTE MAXIMUM RATINGS Symbol VCC1 V2 V7 I8nr I8 V14 Ip14 IC14 Tstg Tj Parameter Supply Voltage Flybcak Generator Supply Voltage Frame Power Supply Voltage Frame Output Current (non repetitive) Frame Output Current (continuous) Line Output Voltage (external) Line Output Peak Current Line Output Continuous Current Storage Temperature Max. Operating Junction Temperature Value 30 35 60 ± 1.5 ±1 60 0.8 0.4 -40, +150 +150 Unit V V V A A V A A o C o C THERMAL DATA Symbol R th (j-c) R th (j-a) Tj Parameter Junction-case Thermal Resistance Junction-ambient Thermal Resistance 2 (soldered on a 35µm thick 45cm PC board copper area) Recommended Junction Temperature Max. Typ. Max. Value 15 45 120 Unit C/W o C/W o o C ELECTRICAL CHARACTERISTICS (Tamb = 25oC) Symbol SUPPLY (shunt regulator) (Pin 16) 9.8 50 2037A-03.TBL Parameter Supply Current Supply Voltage (ICC1 = 15mA) Voltage Variation (ICC1 : 10mA to 20mA) Starting Threshold for Line Output Pulses Min. 10 9 -280 Typ. Max. 20 10.5 +280 5 Unit mA V mV V ICC1 VCC1 ∆VCC1 LPS 2/9 2037A-02.TBL 2037A-01.TBL TEA2037A ELECTRICAL CHARACTERISTICS (Tamb = 25oC) (continued) Symbol VIDEO INPUT (Pin 15) V15 MWF VIN LT9 HT9 BI9 DR9 FLP1 FLP2 OT9 ∆F ∆θ LV14 OPW V11 Z11 I10 RI10 LI10 CV10 LT1 HT1 BI1 DR1 FFP1 MFP FFP2 FPR FG ∆F ∆θ V7 I7 V2 Reference Voltage (I15 = -1µA) Minimum Width of Frame Pulse (when synchronized with TTL Signal) Sync Bottom to Black Level (RSYNC 15 = 560kΩ) Low Threshold Voltage High Threshold Voltage Bias Current Discharge Impedance Free Running Line Period (R = 34.9kΩ Tied to VCC1, C = 2.2nF Tied to Ground) Free Running Line Period (R = 13.7kΩ, C = 2.2nF) Oscillator Threshold for Line Output Pulse Triggering Horizontal Frequency Drift with Temperature (see application Fig. 8) 1.4 50 0.2 2.8 5.4 1.0 62 1.75 0.3 3.2 6.6 100 1.4 64 27 4.6 2 3.6 7.8 1.8 66 2 V µs VPP V V nA kΩ µs µs V Hz/ C o Parameter Min. Typ. Max. Unit LINE OSCILLATOR (Pin 9) LINE OUTPUT (Pin 14) Saturation Voltage (I14 = 200mA) Output Pulse Width (line period = 64µs) Bias Voltage Input Impedance Output Current during Synchro Pulse Current Ratio (positive/negative) Leakage Current Control Range Voltage Low Threshold Voltage High Threshold Voltage Bias Current Discharge Impedance Free Running Line Period (R = 845kΩ Tied to VCC1, C = 180nF Tied to Ground) Minimum Frame Period (I 15 = -100µA) (with the same RC) Free Running Line Period (R = 408kΩ, C = 220nF) Frame Period Ratio = Frame Saw-tooth Gain between Pin 1 and non-inverting Input of the Frame Amplifier Vertical Frequency Drift with Temperature (see application Fig. 8) 20 1.8 4.5 250 0.95 -2 2.60 1.6 2.6 300 20.5 1.1 22 2.4 5.8 450 1 1.6 24 3.2 8 800 1.05 +2 7.10 2.3 3.6 700 25 V µs V kΩ µA µA V V V nA kΩ ms ms ms 1.9 LINE FLYBACK INPUT (Pin 11) PHASE DETECTOR FRAME OSCILLATOR (PIn 1) 2.0 3.1 30 470 23 12.8 14.3 1.8 -0.4 4 ⋅ 10-3 1.7 Hz/oC FRAME POWER SUPPLY (Pin 7) Operating Voltage (with flyback generator) Supply Current (V7 = 30V) Operating Voltage 10 58 22 30 V mA V FLYBACK GENERATOR SUPPLY (PIn 2) 10 3/9 2037A-04.TBL TEA2037A ELECTRICAL CHARACTERISTICS (Tamb = 25oC) (continued) Symbol FRAME OUTPUT (PIn 8) LV8A LV8B HV8A HV8B FV8A FV8B Saturation Voltage to Ground (V7 = 30V) I8 = 0.1 I8 = 1A Saturation Voltage to V7 (V7 = 30V) I8 = -0.1 I8 = -1A Saturation Voltage to V7 in Flyback Mode (V8 > V7) I8 = 0.1 I8 = 1A Flyback Transistor on (output = high state) (V2 = 30V) V3/2 with I3 → 2 = 0.1A I3 → 2 = 1A V2/3 with I3 → 2 = 0.1 I3 → 2 = 1A Flyback Transistor off (output = V7 - 8V) (V7 = V2 = 30V) Leakage Current Pin 2 0.0.6 0.37 1.3 1.7 1.6 2.5 0.6 1 1.6 2.4 2.1 4.5 V V V V V V Parameter Min. Typ. Max. Unit FLYBACK GENERATOR (Pins 2 and 3) F2DA F2DB FSVA FSVB FCI 1.5 3.0 0.8 2.2 2.1 4.5 1.1 4.5 170 V V V V µA The TEA2037A performs all the video and pow.


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