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| ICs for TV AN5385K Contour correction IC s 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. 22 19.10.3 12 6.350.30 Unit: mm 1 11 s 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 * Delay line and coupling condenser built in 1.100.25 3.450.25 4.500.25 1.778 0.900.25 Seating plane 0.50.1 7.620.25 15 3 to +0.10 0.35 - 0.05 SDIP022-P-0300A s Applications * Color TV, wide TV s Block Diagram 10 YDL 15 V CC1 19 V CC3 17 V CC2 YMGA 14 YMCO YIN 12 Sync chip clamp Delay line Delay switch Correction signal generation, white side shoot erase Delay line 11 8 YOUT UIN 16 Pedestal clamp Delay line Correction signal generation 6 UOUT C-pulse 18 Delay line Correction signal generation Delay line 13 21 22 9 7 5 2 3 1 CTIG VIN 20 Pedestal clamp Delay line Red gamma correction 4 VOUT VGA VSL GND1 N.C. N.C. GND2 GND3 POL 1 AN5385K s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 10 11 Description CTI control pin Red gamma folding point control pin V-polarity switch pin V-signal output pin GND3 (V) U-signal output pin GND2 (U) Y-signal delay time switch pin GND1 (Y) Y-signal delay time switch pin Signal VM coring control pin Pin No. 12 13 14 15 16 17 18 19 20 21 22 Description Y-signal input pin N.C. Signal VM control pin VCC1 (Y) U-signal input pin VCC2 (U) Clamp pulse input pin VCC3 (V) V-signal input pin N.C. Red gamma control pin ICs for TV s Absolute Maximum Ratings Parameter Supply voltage Supply current VCC ICC Symbol VCC1 / VCC2 / VCC3 ICC1 ICC2 ICC3 Power dissipation *2 *1 Rating 10.0 25.0 25.0 25.0 750 -20 to +70 -55 to +150 Unit V mA PD Topr Tstg *1 mW C C Operating ambient temperature Storage temperature Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: The power dissipation shown is the value for Ta = 70C. s Recommended Operating Range Parameter Supply voltage Symbol VCC1 / VCC2 / VCC3 Range 8.1 to 9.9 Unit V Note) On/off for VCC1 / VCC2 and VCC3 should be done simultaneously. Be careful for static electricity damage of pin 6. s Electrical Characteristics at Ta = 25C Parameter DC characteristics Circuit current 1 Circuit current 2 Circuit current 3 Circuit voltage 1 Circuit voltage 2 2 ICC1 ICC2 ICC3 V3-5 V4-5 VCC1 = VCC2 = VCC3 = 9.0 V VCC1 = VCC2 = VCC3 = 9.0 V VCC1 = VCC2 = VCC3 = 9.0 V VCC1 = VCC2 = VCC3 = 9.0 V VCC1 = VCC2 = VCC3 = 9.0 V 11 13 14 4.0 4.0 14 16 17 4.5 4.5 17 19 20 5.0 5.0 mA mA mA V V Symbol Conditions Min Typ Max Unit ICs for TV s Electrical Characteristics at Ta = 25C (continued) Parameter DC characteristics (continued) Circuit voltage 3 Circuit voltage 4 Circuit voltage 5 Circuit voltage 6 Circuit voltage 7 Y-system YOUT output gain GY YIN: 2 MHz, 1.0 V[p-p] Sine wave -2.0 input, YDL = 9.0 V, VMCO = 2.0 V VMGA = 2.0 V YIN: 500 kHz, 0.3 V[p-p] Sine wave 200 input, YDL = 0.0 V, VMCO = 2.0 V VMGA = 2.0 V YIN: 2 MHz, 0.3 V[p-p] Sine wave 200 input, YDL = 0.0 V, VMCO = 2.0 V VMGA = 2.0 V YIN: 500 kHz, 0.3 V[p-p] Sine wave 500 input, YDL = 9.0 V, VMCO = 2.0 V VMGA = 2.0 V YIN: 2 MHz, 0.3 V[p-p] Sine wave 500 input, YDL = 9.0 V, VMCO = 2.0 V VMGA = 2.0 V YIN: 2 MHz, 0.2 V[p-p] Sine wave input, YDL = 9.0 V, VMGA = 4.0 V VMCO: 2.0 V YIN: 2 MHz, 0.2V[p-p] Sin wave input, YDL = 9.0 V, VMGA = 4.0 V VMCO: 4.0 V YIN: 2 MHz, 1.0 V[p-p] Sine wave input, YDL = 9.0 V, VMCO = 3.0 V VMGA = 3.0 V YIN: 2 MHz, 1.0 V[p-p] Sine wave input, YDL = 9.0 V, VMCO = 3.0 V VMGA = 4.0 V YOUT: Measure at 7 MHz point, 0 dB: 1 MHz, YDL = 0.0 V VMCO = 2.0 V, VMGA = 2.0 V YOUT: Measure at 7 MHz point, 0 dB: 1 MHz, YDL = 9.0 V VMCO = 2.0 V, VMGA = 2.0 V 0.2 0.0 V6-7 V8-9 V12-9 V16-7 V20-5 VCC1 = VCC2 = VCC3 = 9.0 V VCC1 = VCC2 = VCC3 = 9.0 V VCC1 = VCC2 = VCC3 = 9.0 V VCC1 = VCC2 = VCC3 = 9.0 V VCC1 = VCC2 = VCC3 = 9.0 V 2.5 5.0 3.2 5.4 5.4 3.0 5.5 3.6 6.0 6.0 Symbol Conditions Min Typ AN5385K Max Unit 3.5 6.0 4.0 6.6 6.6 V V V V V 2.0 dB I/O delay time 11 TY11 280 360 ns I/O delay time 12 TY12 280 360 ns I/O delay time 21 TY21 600 700 ns I/O delay time 22 TY22 600 700 ns Coring characteristics 1 eco1 2.3 4.4 dB Coring characteristics 2 eco 0.4 2.4 4.4 dB Signal VM characteristics 1 eVM1 1.0 2.5 4.0 dB Signal VM characteristics 2 eVM 3.0 4.0 5.0 dB YOUT frequency characteristics 1 AY1 -3.0 dB YOUT frequency characteristics 2 AY2 -3.0 dB 3 AN5385K s Electrical Characteristics at Ta = 25C (continued) Parameter U-system UOUT output gain CTI characteristics 1 CTI characteristics 2 UOUT frequency characteristics GU eUCTI1 eUCTI aU UIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 2.0 V UIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 3.0 V UIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 4.0 V UOUT: Measure at 3 MHz point, 0 dB: 500 kHz, C-pulse = 0 V CTIG = 2.0 V 5.0 5.0 2.4 -3.0 6.0 6.0 3.3 Symbol Conditions Min Typ ICs for TV Max Unit 7.0 7.0 4.2 dB dB dB dB V-system VOUT output gain GV VIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V CTIG = 2.0 V, VGA = 3.0 V VSL = 5.0 V, POL = 9.0 V VIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V CTIG = 3.0 V, VGA = 3.0 V VSL = 5.0 V, POL = 9.0 V VIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 4.0 V, VGA = 3.0 V VSL = 5.0 V, POL = 9.0 V VOUT: Measure at 3 MHz point, 0 dB: 500 kHz, C-pulse = 0 V CTIG = 2.0 V, VGA = 3.0 V VSL = 5.0 V, POL = 9.0 V YIN: 500 kHz, 1.0 V[p-p], UIN: 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 YIN: 500 kHz, 1.0 V[p-p] VIN: 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 UIN: 500 kHz, 0.5 V[p-p], VIN: 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 4.9 6.0 7.1 dB CTI characteristics 3 eVCTI3 4.7 5.7 6.7 dB CTI characteristics 4 eVCTI 1.7 2.6 3.5 dB VOUT frequency characteristics aV -3.0 dB YU relative delay time TYU -6 37 80 ns YV relative delay time TYV -16 27 70 ns UV relative delay time TUV -96 -10 76 ns 4 ICs for TV s Electrical Characteristics at Ta = 25C (continued) Parameter V-system (continued) Red gamma bending point variation 11 eVGS11 VIN: 500 kHz, 0.5 V[p-p] Sine wave -3.6 input, C-pulse = 0 V, CTIG = 3.0 V VGA = 5.0 V, VSL = 3.0 V POL = 9.0 V VIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 3.0 V VGA = 5.0 V, VSL = 5.0 V POL = 9.0 V 2.5 0.0 Symbol Conditions Min Typ AN5385K Max Unit 3.6 dB Red gamma bending point variation 12 eVGS1 6.0 9.5 dB Red gamma bending point variation 21 eVGS21 VIN: 500 kHz, 0.5 V[p-p] Sine wave -3.6 input, C-pulse = 0 V, CTIG = 3.0 V VGA = 5.0 V, VSL = 3.0 V POL = 0.0 V VIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 3.0 V VGA = 5.0 V, VSL = 5.0 V POL = 0.0 V VIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 3.0 V VGA = 3.0 V, VSL = 3.0 V POL = 9.0 V VIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 3.0 V VGA = 5.0 V, VSL = 3.0 V POL = 9.0 V VIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 3.0 V VGA = 3.0 V, VSL = 3.0 V POL = 0.0 V VIN: 500 kHz, 0.5 V[p-p] Sine wave input, C-pulse = 0 V, CTIG = 3.0 V VGA = 5.0 V, VSL = 3.0 V POL = 0.0 V 1.5 0.0 3.6 dB Red gamma bending point variation 22 eVGS2 5.0 8.5 dB Red gamma control 11 eVGE11 4.5 5.5 6.5 dB Red gamma control 12 eVGE1 2.5 6.0 9.5 dB Red gamma control 21 eVGE21 4.5 5.5 6.5 dB Red gamma control 22 eVGE2 1.5 5.0 8.5 dB * Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter YOUT supply voltage variation UOUT supply voltage variation VOUT supply voltage variation Symbol eYIVcc eUIVcc eVIVcc Conditions Output DC level difference between VCC (max.) and VCC (min.) Output DC level difference between VCC (max.) and VCC (min.) Output DC level difference between VCC (max.) and VCC (min.) Min 0.8 0.4 0.4 Typ 1.2 0.8 0.8 Max 1.6 1.2 1.2 Unit V V V 5 AN5385K s Terminal Equivalent Circuits Pin No. 1 9V(VCC3) ICs for TV Equivalent circuit U-system V-system Description CTI control pin: * Varies the CTI correction gain 2 V: Correction off 3 V: Correction amount center (approx. 6 dB) 4 V: Correction amount maximum (approx. 12 dB) 1 3V 16 k 16 k 16 k 3V 16 k 50 A 50 A * Recommended use range: 2 V to 4 V 2 Red gamma folding point control pin: * Varies the red gamma correction slice level 3 V: The folding point comes closest to the pedestal 5 V: The folding point is kept farthest from the pedestal 9 V (VCC3) 50 A 20 k 20 k 2 4V * Recommended use range: 3 V to 5 V 3 V-polarity changeover pin: * Changes over the input/output polarity of V-signal 50 A 9 V (VCC3) 50 A 160 k 3 20 k 3.8 V Threshold value: 4.5 V 0 V: negative polarity 9 V: positive polarity 4 9 V (VCC3) 50 A V-signal output pin: * To output the V-signal in which a correction signal has been added to V-signal (R-Y) input from pin 20 4 50 A * Output level: 1.0 V[p-p] (where, 0.5 V[p-p] of U-signal input) 6 ICs for TV s Terminal Equivalent Circuits (continued) Pin No. 5 6 9 V (VCC2) 50 A AN5385K Equivalent circuit Description GND3 pin: * GND pin of V-system U-signal output pin: * To output U-signal output in which a correction signal has been added to U-signal (B-Y) input from pin 16 6 50 A * Output level: 1.0 V[p-p] (where, 0.5 V[p-p] of U-signal input) GND2 pin: * GND pin of U-system 9 V (VCC1) 7 8 50 A Y-signal output pin: * To output Y-signal in which a correction signal has been added to the Y-signal inputted from pin 12 8 50 A * Output level: Synchronous negative 1.0 V[p-p] (where, 1.0 V[p-p] of Y-signal input) GND1 pin: * Y-system GND pin 9 V (VCC1) 9 10 Y-signal delay time changeover pin: * Changes over Y-signal delay time Threshold voltage: 0.7 V 9 V: Total 600 ns delay 0 V: Total 280 ns delay 100 k 10 11 9 V (VCC3) Signal VM coring control pin: * To control VM signal coring volume 2 V: No coring 4 V: Maximum coring (approx. 8%) 11 3V 20 k 20 k 50 A * Recommended usable range: 2 V to 4 V 7 AN5385K s Terminal Equivalent Circuits (continued) Pin No. 12 9 V (VCC1) 50 A ICs for TV Equivalent circuit Description Y-signal output pin: * To input video brightness signal 4.2 V 12 10 A * Input level: Synchronous negative: 1.0 V[p-p] * Recommended use method: Add a coupling capacitor (2.2 ) to the input signal in series. N.C. pin: * Ground Signal VM control pin: * To control correction gain of signal VM 2 V: correction off 4 V: Maximum correction (approx. 6 dB) 13 14 9 V (VCC1) 14 3V 16 k 16 k 50 A * Recommended use range: 2 V to 4 V Power supply pin (Y-system): 15 15 Operating supply voltage range: 9 V (allowance: 10%) U-signal input pin: * To input the U-signal (B-Y) of color difference. 500 500 16 9 V (VCC2) 16 CLP 25 A * Input level: 0.5 V[p-p] Power supply pin (U-system): 17 17 Operating supply voltage range: 9 V (allowance: 10%) 8 ICs for TV s Terminal Equivalent Circuits (continued) Pin No. 18 9 V (VCC2) 50 A AN5385K Equivalent circuit Description Clamp pulse input pin: * To input a clamp pulse. Input SCP or H-sync signal of 0 V to 5 V SCP H-sync signal 4.7 V 2.4 V 5.0 V 3.5 V 18 Threshold voltage: 3.5 V 19 19 Power supply pin (V-system): Operating power supply range: 9 V (allowance: 10%) V-signal input pin: * To input the V-signal (R-Y) of color difference 500 500 20 9 V (VCC2) 20 CLP 25 A * Input level: 0.5 V[p-p] N.C. pin: * Ground Red gamma control pin: * To control correction gain of red gamma 21 22 9 V (VCC3) 50 A 20 k 22 20 k 4V 3 V: Off 5 V: Maximum * Recommended use range: 3 V to 5 V 9 |
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