ICs for TV AN5385K Contour correction IC Overview The AN5385K is an IC which conducts contour correction for luminance signal and color difference signal. It corresponds to all broadcasting systems of PAL, NTSC and SECAM. Fewer external parts enables the TV sets to be less cost and high picture quality. Features Black side contour emphasis and white side shoot elimination circuit are built in (for anti-blooming) Transient correction of color difference signal (color missing improvement) Red gamma correction circuit built in Wider band of signal processing (Y: 7 MHz/ 3 db, Color difference: 3 MHz/ 3 db) Delay time is identical for both Y and color difference. Delay amount switch is built in and coupling condenser built in Applications Color TV, wide TV Block Diagram Y IN U IN 12 16 V CC1 15 Sync chip clamp Pedestal clamp V CC2 17 V CC3 19 YDL 10 Delay switch Correction signal generation 19.1±0.3 22 12 1 11 1.778 0.5±0.1 0.90±0.25 Seating plane Correction signal generation, white side shoot erase 8 6 1 Pedestal clamp Correction signal generation Red gamma correction 4 13 21 9 7 5 YMCO 22 11 2 YMGA 3 14 Y OUT U OUT CTIG V OUT N.C. N.C. GND1 GND2 GND3 VGA VSL 6.35±0.30 4.50±0.25 1.10±0.25 3.45±0.25 SDIP022-P-0300A POL Unit: mm 7.62±0.25 3 to 15 0.35 +0.10 0.05 C-pulse 18 V IN 20 1
AN5385K ICs for TV Pin Descriptions Pin No. Description Pin No. Description 1 CTI control pin 12 Y-signal input pin 2 Red gamma folding point control pin 13 N.C. 3 V-polarity switch pin 14 Signal VM control pin 4 V-signal output pin 15 V CC1 (Y) 5 GND3 (V) 16 U-signal input pin 6 U-signal output pin 17 V CC2 (U) 7 GND2 (U) 8 Y-signal delay time switch pin 9 GND1 (Y) 10 Y-signal delay time switch pin 11 Signal VM coring control pin Absolute Maximum Ratings 18 Clamp pulse input pin 19 V CC3 (V) 20 V-signal input pin 21 N.C. 22 Red gamma control pin Parameter Symbol Rating Unit Supply voltage V CC V CC1 / V CC2 / V CC3 10.0 V Supply current I CC I CC1 25.0 ma I CC2 25.0 I CC3 25.0 Power dissipation *2 P D 750 mw Operating ambient temperature *1 T opr 20 to +70 C Storage temperature * 1 T stg 55 to +150 C Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for T a = 25 C. *2: The power dissipation shown is the value for T a = 70 C. Recommended Operating Range Parameter Symbol Range Unit Supply voltage V CC1 / V CC2 / V CC3 8.1 to 9.9 V Note) On/off for V CC1 / V CC2 and V CC3 should be done simultaneously. Be careful for static electricity damage of pin 6. Electrical Characteristics at T a = 25 C Parameter Symbol Conditions Min Typ Max Unit DC characteristics Circuit current 1 I CC1 V CC1 = V CC2 = V CC3 = 9.0 V 11 14 17 ma Circuit current 2 I CC2 V CC1 = V CC2 = V CC3 = 9.0 V 13 16 19 ma Circuit current 3 I CC3 V CC1 = V CC2 = V CC3 = 9.0 V 14 17 20 ma Circuit voltage 1 V 3 5 V CC1 = V CC2 = V CC3 = 9.0 V 4.0 4.5 5.0 V Circuit voltage 2 V 4 5 V CC1 = V CC2 = V CC3 = 9.0 V 4.0 4.5 5.0 V 2
ICs for TV AN5385K Electrical Characteristics at T a = 25 C (continued) Parameter Symbol Conditions Min Typ Max Unit DC characteristics (continued) Circuit voltage 3 V 6 7 V CC1 = V CC2 = V CC3 = 9.0 V 2.5 3.0 3.5 V Circuit voltage 4 V 8 9 V CC1 = V CC2 = V CC3 = 9.0 V 5.0 5.5 6.0 V Circuit voltage 5 V 12 9 V CC1 = V CC2 = V CC3 = 9.0 V 3.2 3.6 4.0 V Circuit voltage 6 V 16 7 V CC1 = V CC2 = V CC3 = 9.0 V 5.4 6.0 6.6 V Circuit voltage 7 V 20 5 V CC1 = V CC2 = V CC3 = 9.0 V 5.4 6.0 6.6 V Y-system Y OUT output gain G Y Y IN : 2 MHz, 1.0 V[p-p] Sine wave 2.0 0.0 2.0 db input, YDL = 9.0 V, VMCO = 2.0 V VMGA = 2.0 V I/O delay time 11 T Y11 Y IN : 500 khz, 0.3 V[p-p] Sine wave 200 280 360 ns input, YDL = 0.0 V, VMCO = 2.0 V VMGA = 2.0 V I/O delay time 12 T Y12 Y IN : 2 MHz, 0.3 V[p-p] Sine wave 200 280 360 ns input, YDL = 0.0 V, VMCO = 2.0 V VMGA = 2.0 V I/O delay time 21 T Y21 Y IN : 500 khz, 0.3 V[p-p] Sine wave 500 600 700 ns input, YDL = 9.0 V, VMCO = 2.0 V VMGA = 2.0 V I/O delay time 22 T Y22 Y IN : 2 MHz, 0.3 V[p-p] Sine wave 500 600 700 ns input, YDL = 9.0 V, VMCO = 2.0 V VMGA = 2.0 V Coring characteristics 1 e co1 Y IN : 2 MHz, 0.2 V[p-p] Sine wave 0.2 2.3 4.4 db input, YDL = 9.0 V, VMGA = 4.0 V VMCO: 2.0 V Coring characteristics 2 e co Y IN : 2 MHz, 0.2V[p-p] Sin wave 0.4 2.4 4.4 db input, YDL = 9.0 V, VMGA = 4.0 V VMCO: 4.0 V Signal VM characteristics 1 e VM1 Y IN : 2 MHz, 1.0 V[p-p] Sine wave 1.0 2.5 4.0 db input, YDL = 9.0 V, VMCO = 3.0 V VMGA = 3.0 V Signal VM characteristics 2 e VM Y IN : 2 MHz, 1.0 V[p-p] Sine wave 3.0 4.0 5.0 db input, YDL = 9.0 V, VMCO = 3.0 V VMGA = 4.0 V Y OUT frequency characteristics 1 A Y1 Y OUT : Measure at 7 MHz point, 3.0 db 0 db: 1 MHz, YDL = 0.0 V VMCO = 2.0 V, VMGA = 2.0 V Y OUT frequency characteristics 2 A Y2 Y OUT : Measure at 7 MHz point, 3.0 db 0 db: 1 MHz, YDL = 9.0 V VMCO = 2.0 V, VMGA = 2.0 V 3
AN5385K ICs for TV Electrical Characteristics at T a = 25 C (continued) U-system Parameter Symbol Conditions Min Typ Max Unit U OUT output gain G U U IN : 500 khz, 0.5 V[p-p] Sine wave 5.0 6.0 7.0 db input, C-pulse = 0 V, CTIG = 2.0 V CTI characteristics 1 e UCTI1 U IN : 500 khz, 0.5 V[p-p] Sine wave 5.0 6.0 7.0 db CTI characteristics 2 e UCTI U IN : 500 khz, 0.5 V[p-p] Sine wave 2.4 3.3 4.2 db input, C-pulse = 0 V, CTIG = 4.0 V U OUT frequency characteristics a U U OUT : Measure at 3 MHz point, 3.0 db 0 db: 500 khz, C-pulse = 0 V CTIG = 2.0 V V-system V OUT output gain G V V IN : 500 khz, 0.5 V[p-p] Sine 4.9 6.0 7.1 db wave input, C-pulse = 0 V CTIG = 2.0 V, VGA = 3.0 V VSL = 5.0 V, POL = 9.0 V CTI characteristics 3 e VCTI3 V IN : 500 khz, 0.5 V[p-p] Sine 4.7 5.7 6.7 db wave input, C-pulse = 0 V CTIG = 3.0 V, VGA = 3.0 V VSL = 5.0 V, POL = 9.0 V CTI characteristics 4 e VCTI V IN : 500 khz, 0.5 V[p-p] Sine 1.7 2.6 3.5 db wave input, C-pulse = 0 V, CTIG = 4.0 V, VGA = 3.0 V VSL = 5.0 V, POL = 9.0 V V OUT frequency characteristics a V V OUT : Measure at 3 MHz point, 3.0 db 0 db: 500 khz, C-pulse = 0 V CTIG = 2.0 V, VGA = 3.0 V VSL = 5.0 V, POL = 9.0 V YU relative delay time T YU Y IN : 500 khz, 1.0 V[p-p], U IN : 6 37 80 ns 500 khz, 0.5 V[p-p], YDL = 9.0 V VMCO = 2.0 V, VMGA = 2.0 V C-pulse = 0.0 V, CTIG = 2.0 V YV relative delay time T YV Y IN : 500 khz, 1.0 V[p-p] 16 27 70 ns V IN : 500 khz, 0.5 V[p-p] YDL = 9.0 V, VMCO = 2.0 V VMGA = 2.0 V, CTIG = 2.0 V C-pulse = 0.0 V, VGA = 3.0 V VSL = 5.0 V, POL = 9.0 V UV relative delay time T UV U IN : 500 khz, 0.5 V[p-p], 96 10 76 ns V IN : 500 khz, 0.5 V[p-p], CTIG = 2.0 V, C-pulse = 0.0 V VGA = 3.0 V, VSL = 5.0 V POL = 9.0 V 4
ICs for TV AN5385K Electrical Characteristics at T a = 25 C (continued) Parameter Symbol Conditions Min Typ Max Unit V-system (continued) Red gamma e VGS11 V IN : 500 khz, 0.5 V[p-p] Sine wave 3.6 0.0 3.6 db bending point variation 11 VGA = 5.0 V, VSL = 3.0 V POL = 9.0 V Red gamma e VGS1 V IN : 500 khz, 0.5 V[p-p] Sine wave 2.5 6.0 9.5 db bending point variation 12 VGA = 5.0 V, VSL = 5.0 V POL = 9.0 V Red gamma e VGS21 V IN : 500 khz, 0.5 V[p-p] Sine wave 3.6 0.0 3.6 db bending point variation 21 VGA = 5.0 V, VSL = 3.0 V POL = 0.0 V Red gamma e VGS2 V IN : 500 khz, 0.5 V[p-p] Sine wave 1.5 5.0 8.5 db bending point variation 22 VGA = 5.0 V, VSL = 5.0 V POL = 0.0 V Red gamma control 11 e VGE11 V IN : 500 khz, 0.5 V[p-p] Sine wave 4.5 5.5 6.5 db VGA = 3.0 V, VSL = 3.0 V POL = 9.0 V Red gamma control 12 e VGE1 V IN : 500 khz, 0.5 V[p-p] Sine wave 2.5 6.0 9.5 db VGA = 5.0 V, VSL = 3.0 V POL = 9.0 V Red gamma control 21 e VGE21 V IN : 500 khz, 0.5 V[p-p] Sine wave 4.5 5.5 6.5 db VGA = 3.0 V, VSL = 3.0 V POL = 0.0 V Red gamma control 22 e VGE2 V IN : 500 khz, 0.5 V[p-p] Sine wave 1.5 5.0 8.5 db VGA = 5.0 V, VSL = 3.0 V POL = 0.0 V Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter Symbol Conditions Min Typ Max Unit Y OUT supply voltage variation e YIVcc Output DC level difference between 0.8 1.2 1.6 V V CC (max.) and V CC (min.) U OUT supply voltage variation e UIVcc Output DC level difference between 0.4 0.8 1.2 V V CC (max.) and V CC (min.) V OUT supply voltage variation e VIVcc Output DC level difference between 0.4 0.8 1.2 V V CC (max.) and V CC (min.) 5
AN5385K ICs for TV Terminal Equivalent Circuits Pin No. Equivalent circuit Description 1 9V(V CC3 ) CTI control pin: U-system V-system Varies the CTI correction gain 1 3 V 3 V 2 V: Correction off 3 V: Correction amount center (approx. 6 db) 4 V: Correction amount maximum (approx. 12 db) Recommended use range: 2 V to 4 V 2 Red gamma folding point control pin: 9 V (V CC3 ) Varies the red gamma correction slice level 2 20 kω 20 kω 4 V 3 V: The folding point comes closest to the pedestal 5 V: The folding point is kept farthest from the pedestal Recommended use range: 3 V to 5 V 3 V-polarity changeover pin: 9 V (V CC3 ) Changes over the input/output polarity of V-signal Threshold value: 4.5 V 0 V: negative polarity 160 kω 20 kω 9 V: positive polarity 3 3.8 V 4 V-signal output pin: 9 V (V CC3 ) To output the V-signal in which a correction signal has been added to V-signal (R Y) input from pin 20 4 Output level: 1.0 V[p-p] (where, 0.5 V[p-p] of U-signal input) 6
ICs for TV AN5385K Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit Description 5 GND3 pin: GND pin of V-system 6 U-signal output pin: 9 V (V CC2 ) To output U-signal output in which a correction signal has been added to U-signal (B Y) input from pin 16 6 Output level: 1.0 V[p-p] (where, 0.5 V[p-p] of U-signal input) 7 GND2 pin: GND pin of U-system 8 Y-signal output pin: 9 V (V CC1 ) To output Y-signal in which a correction signal has been added to the Y-signal inputted from pin 12 8 Output level: Synchronous negative 1.0 V[p-p] (where, 1.0 V[p-p] of Y-signal input) 9 GND1 pin: Y-system GND pin 10 9 V (V CC1 ) Y-signal delay time changeover pin: Changes over Y-signal delay time 10 100 kω Threshold voltage: 0.7 V 9 V: Total 600 ns delay 0 V: Total 280 ns delay 11 Signal VM coring control pin: 9 V (V CC3 ) To control VM signal coring volume 11 3 V 2 V: No coring 4 V: Maximum coring (approx. 8%) 20 kω 20 kω Recommended usable range: 2 V to 4 V 7
AN5385K ICs for TV Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit Description 12 Y-signal output pin: 9 V (V CC1 ) To input video brightness signal 4.2 V 12 10 µa 13 N.C. pin: Ground Input level: Synchronous negative: 1.0 V[p-p] Recommended use method: Add a coupling capacitor (2.2 µ) to the input signal in series. 14 9 V (V CC1 ) Signal VM control pin: To control correction gain of signal VM 14 2 V: correction off 4 V: Maximum correction (approx. 6 db) Recommended use range: 2 V to 4 V 15 Power supply pin (Y-system): 3 V 15 Operating supply voltage range: 9 V (allowance: ±10%) 16 9 V (V CC2 ) U-signal input pin: To input the U-signal (B Y) of color difference. 500 Ω 500 Ω 16 CLP 25 µa Input level: 0.5 V[p-p] 17 Power supply pin (U-system): 17 Operating supply voltage range: 9 V (allowance: ±10%) 8
ICs for TV AN5385K Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit Description 18 Clamp pulse input pin: 9 V (V CC2 ) To input a clamp pulse. Input SCP or H-sync signal of 0 V to 5 V SCP H-sync signal 18 3.5 V 4.7 V 5.0 V 2.4 V 19 Power supply pin (V-system): 19 Operating power supply range: 9 V (allowance: ±10%) 20 9 V (V CC2 ) V-signal input pin: To input the V-signal (R Y) of color difference 500 Ω 500 Ω 20 21 N.C. pin: Ground Threshold voltage: 3.5 V Input level: 0.5 V[p-p] ) 22 Red gamma control pin: 9 V (V CC3 To control correction gain of red gamma 22 CLP 20 kω 20 kω 4 V 25 µa 3 V: Off 5 V: Maximum Recommended use range: 3 V to 5 V 9
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