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| (R) May 1997 NO C OM T RE F DED ME N OR D NEW ESIG NS CA3217 Single Chip TV Chroma/Luminance Processor Features * All Chroma Processing and Demodulating Circuitry on a Single Chip in a 28 Lead Plastic Package * Phase Locked Subcarrier Regeneration Sample and Hold Techniques Utilizing Description The Harris CA3217E (Note) is a monolithic silicon integrated circuit. It contains all the required circuit functions between the video detector and the picture tube RGB driver stages of a color television receiver. The CA3217E decodes the chrominance signals and then produces three different color signals that are internally combined with the luminance to develop the RGB signals. The picture saturation, hue and brightness DC controls are externally adjustable by the viewers. The AFPC, ACC, Dynamic flesh control, Beam limiting and Gate black level (Brightness) control are servo loops used to stabilize the RGB output and reduce frequent manual adjustment. The automatic beam limiter circuit reduces picture contrast and brightness to prevent excessive drive output at the picture tube. NOTE: Formerly Developmental Type No. TA10806. * Supplementary ACC with Overload Detector to Prevent Over Saturation of the Picture Tube * Linear DC Controls for Chroma Gain and Tint * Dynamic "Flesh Correction" - Corrects Purple and Green Flesh Colors without Affecting Primary Colors * Balanced Chroma Demodulators with Low Output Impedance for Direct Coupling * Internal RF Filtering * Requires Few External Components * Automatic Beam Limiter * Chroma Luminance Tracking Picture Control Ordering Information PART NUMBER CA3217E TEMPERATURE RANGE -40oC to +85oC PACKAGE 28 Lead PDIP Pinout CA3217 (PDIP) TOP VIEW CHROMA OUT CHROMA CONTROL CHROMA INPUT 1 2 3 28 BEAM LIMITER 27 LUMINANCE 26 PICTURE CONTROL 25 LOW PASS FILTER 24 BRIGHT CONTROL 23 VCC 22 BLUE 21 RED 20 GREEN 19 Q CARRIER IN 18 I CARRIER IN 17 DEMODULATOR CHROMA IN 16 OVERLOAD, FLESH DISABLE 15 CARRIER OUT OVERLOAD FILTER 4 5 ACC, KILLER FILTER 6 SANDCASTLE PULSE GND APC FILTER 10 OSCILLATOR IN 90 o 7 8 9 11 OSCILLATOR IN 180o 12 OSCILLATOR OUT 13 TINT CONTROL 14 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright (c) Intersil Americas Inc. 2002. All Rights Reserved 7-65 File Number 1332.3 Specifications CA3217 Absolute Maximum Ratings DC Voltage (Between Terminals 23 and 8) . . . . . . . . . . . . . . . 14.0V Power Dissipation Up to TA = +55oC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.27W Above TA = +55oC . . . . . . . . . . . . Derate Linearly at 13.3mW/oC Junction Temperature (Plastic Package) . . . . . . . . . . . . . . . +150oC Storage Temperature Range . . . . . . . . . . . . . . . . . -65oC to +150oC Lead Temperature (Soldering 10s). . . . . . . . . . . . . . . . . . . . +300oC Operating Conditions Operating Temperature Range . . . . . . . . . . . . . . . . . -40oC to +85oC CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Electrical Specifications TA = +25oC TEST CONDITIONS mVP-P mVP-P CHROMA BURST IN mVP-P LUMA RELAYS ENERGIZED PARAMETERS TEST Pin 23 XPT1 XPT1 XPT9 XPT 13 S2 6.3V 1.2V 1.2V 1.2V 1.2V S3 S4 S5 6.3V 6.3V 6.3V 6.3V 6.3V S6 11.2V 11.2V 11.2V 11.2V 11.2V MIN 30 TYP 48 10.5 2.2 3.0 7.5 MAX 66 UNITS mA VDC VDC VDC VDC DC ELECTRICAL SPECIFICATIONS (Test 1 Through 5) Dissipation Pin 1 Bal Pin 3 Bal Pin 17 Bal Pin 13 Bal 11.2V 4.0V 11.2V 4.0V 11.2V 4.0V 11.2V 4.0V 11.2V 4.0V SWITCHING ELECTRICAL SPECIFICATIONS (Tests 6 Through 26) Oscillator Pull-In (Note 1) Oscillator Level 100% ACC (Note 2) 200% ACC (Note 3) 20% ACC (Note 3) Tint Center (Note 4) R-Y Maximum Unkill Kill Chroma Reserver Maximum Luma (Note 5) Luma Ratio (Note 6) Linearity (Note 7) T19 = T19/T18 4.78MHz Response (Note 8) Contrast Limit 1 (Note 9) Contrast Limit 2 (Note 9) Bright Limit 1 (Note 10) Bright Limit 2 (Note 10) G-Y Ratio (Note 11) B-Y Ratio (Note 11) NOTES: 1. With K7 energized and frequency counter at D vary C1 for 3.579175MHz. Then with K4 energized, check for pull-in. Repeat for frequency tuned to 3.579875MHz. For all other tests tune to 3.579545MHz 10Hz. 2. Vary S2 for 1.5VP-P at Pin 21. 3. % of 100% ACC. 4. Adjust C1 for 3.579545MHz 10Hz. Adjust S2 for 1.6VP-P at Pin 22 and 0 reference, then adjust S5 for minimum at P21. Read and record S5 voltage. 5. Black to White. 6. T17 = T17/T16. 7. Adjust S3 for 4.0V P-P. 8. AC amplitude = 50mVP-P reference 15kHz. 9. Adjust beam limiter to 10.7V. 10. Adjust beam limiter to 9.8V. 11. Adjust S2 for 1.5VP-P at Pin 21, then calculate P20/P21 and P22/P21. "D" "D" P21 P21 P21 S5 P21 P21 P21 P21 P21 P21 P21 P21 P21 P24 P26 P24 P26 P20 P22 6.3V 6.3V Vary T8 T8 Vary 11.2V 4.0V 11.2V 4.0V 11.2V 4.0V 11.2V 4.0V 11.2V 4.0V 11.2V 4.0V 6.3V 6.3V 6.3V 6.3V 6.3V Vary T11 T11 T11 T11 T11 T11 T11 T11 T11 T11 T11 T11 T11 T11 T11 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 11.2V 250 250 125 125 25 0 125 250 25 250 250 25 25 12.5 25 0 125 250 25 125 125 12.5 2.5 125 125 125 425 212.5 125 250 250 250 250 K4, K7 K7 K4, K7 K4, K7 K4, K7 K4, K7 K1, K4, K7 K4, K7 K4, K7 K2, K4, K7 K1, K3, K7 K1, K3, K7 K3, K7 K3, K7 K3, K6, K7 K3, K5, K7 K3, K5, K7 K3, K5, K7 K3, K5, K7 -3 3.9 8.2 3.1 5.6 0.33 1.20 2.0 2.2 50 4 50 3 -350 0.7 1.5 100 90 6.5 6.0 4.5 150 +350 Hz VP-P VP-P % % VDC VP-P VP-P mVP-P VP-P VP-P % VP-P % dB VDC VDC VDC VDC R R 11.2V 11.2V 6.0V 11.2V 11.2V 4.0V 11.2V 11.2V 4.0V 11.2V 11.2V 4.0V 11.2V 11.2V 4.0V 11.2V 11.2V 11.2V 6.3V Vary T18 4.0V 3.0 3.0 11.2V 11.2V 4.0V 11.2V 11.2V 4.0V 11.2V 11.2V 4.0V 11.2V 11.2V 4.0V 11.2V 11.2V 4.0V Vary T25 11.2V 4.0V 11.2V 4.0V 7-66 Specifications CA3217 Typical Performance of the CA3217E FUNCTION Nominal Supply Nominal Dissipation Oscillator Stability Supply Variation 10-14V Variation With Temperature (T = AFPC Characteristics DC Loop Gain Pull In Range ACC Characteristics 100% Chroma Input Level 3dB Point Hue Control Range Saturation Control Range DEMODULATOR PARAMETERS R-Y B-Y G-Y Bandwidth (Chroma) Flesh Control Chroma Overload Control Picture Control Brightness Control Beam Limiting Luma Bandwidth Sandcastle Input 1.2 - 2.3V >3.3V Maximum Linear Output R G B 5V 3V 3.7V Blanking Burst Gate 250mV P-P on Red Bar At 20% Nominal Input Level 100o 40dB (Min) RELATIVE AMPLITUDE 1.0 1.2 0.3 900kHz Primary Control in the +1 Half Plane Two Levels 40dB Black Level Clamped on 3V to 5V Level On Picture and Brightness Controls 5MHz (Min) ANGLE 93o 2o 258o 33Hz/Degree 500Hz +50oC) 5Hz 25Hz 11.2V 500mW TYPICAL DATA 7-67 CA3217 Functional Block Diagram CA3217E 7-68 CA3217 Schematic Diagram CA3217E 7-69 CA3217 Schematic Diagram (Continued) CA3217E 7-70 CA3217 Test Circuit FIGURE 1. TEST CIRCUIT FOR CA3217E Typical Performance Curves TA = +25oC, LUMA INPUT = 0.5VP-P (30% SYNC) CONTRAST = 6.3V, SATURATION = 6.3V PIN 28 = 11.8V TA = +25 oC, LUMA INPUT = 0.5VP-P (30% SYNC) 5.5 PIN 21 LUMINANCE (VP-P) 4.5 3.5 2.5 1.5 0.5 0 2 4 6 BRIGHTNESS CONTROL (V) 8 10 0 2 4 6 8 10 12 14 BRIGHTNESS = 4V, SATURATION = 6.3V PIN 28 = 11.8V 14 PIN 21 BLACK LEVEL (V) 12 10 8 6 4 2 CONTRAST CONTROL (V) FIGURE 2. TYPICAL P 21 BLACK LEVEL VERSUS BRIGHTNESS CONTROL FIGURE 3. TYPICAL P 21 LUMINANCE OUTPUT vs CONTRAST CONTROL 7-71 CA3217 Typical Performance Curves 12 CONTROL VOLTAGE 10 CONTRAST PIN 26 8 6 BRIGHTNESS PIN 24 4 2 (Continued) TA = +25o C, CHROMA INPUT = 250mVP-P BURST = 125mVP-P, CONTRAST = 11.2V 2200 BRIGHTNESS = 4.0V, BEAM LIMITER = 11.8V 1800 1400 1000 600 200 0 2 10 4 6 8 SATURATION CONTROL (V) 12 14 TA = +25oC, LUMA = 0.5VP-P (30% SYNC) HUE = 6.3V, SATURATION = 6.3V PIN 1 CHROMA OUTPUT (mVP-P) 9 10 11 12 PIN 28 BEAM LIMITER (V) FIGURE 4. TYPICAL BEAM LIMITER vs CONTRAST AND BRIGHTNESS FIGURE 5. TYPICAL P1 CHROMA OUTPUT vs SATURATION CONTROL PIN 1 CHROMA OUTPUT (mVP-P) 1200 1000 800 600 400 200 TA = +25oC, CHROMA INPUT = 250mVP-P SATURATION = 6.3V, BRIGHTNESS = 4V BEAM LIMITER = 11.8V 0 2 4 10 6 8 CONTRAST CONTROL (V) 12 14 PIN 21 OUTPUT TA = +25oC, CHROMA INPUT = 250mVP-P BURST = 125mVP-P, LUMA = 0.5VP-P (30% SYNCH) HUE = 6.3V, BRIGHT = 4.0V, PIN 28 = 11.8V 3 LUMINANCE CHROMA 2 1 INITIAL CONDITION ADJUST PIX CONTROL FOR 1VP-P LUMA (BLK TO WHT) ADJUST SAT. CONTROL FOR 1VP-P RED (BLK TO PEAK) 2 4 6 8 PICTURE CONTROL (V) 10 12 FIGURE 6. TYPICAL P1 CHROMA OUTPUT vs CONTRAST CONTROL FIGURE 7. TYPICAL LUMA/CHROMA TRACK 7-72 CA3217 FIGURE 8. TYPICAL APPLICATION CIRCUIT 7-73 |
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