KA7305 B/W CCD PROCESSOR GENERAL DESCRIPTION The KA7305 is a monolithic integrated circuit for B/W CCD camera 1 chip signal processor. It contains functional block from CDS to video driver and 2 comparators for EE mode. Also, it performs a low power onsumption and a small dimension of set implementation by decreasing external parts as a 1 chip. 48-QFP-0707 FEATURES * 5 Steps sample & hold. * 4 dB ~ 32 dB AGC gain control. * Built in 2 comparators for EE mode control. * EE mode WND / BLK selectable. * Gamma γ = 0.45 / Linear output separation. * Built in OP-AMP for AGC loop. * 3 Mode set-up control. * 2 Mode white / clip control. * 75 Ohm video driver & sag compensation. ORDERING INFORMATION Device Package OperatingTemperature KA7305 48-QFP-0707 -20°C ~ +75°C BLOCK DIAGRAM 9 4 1 3 2 48 SAMPLE & HOLD 8 34 16 WIN/ BLK 31 30 29 45 44 + 38 OP AMP LUM DET GAMMA r=0.45 39 37 17 LIN 33 + COMP - SET-UP CONTROL OB CLP + COMP 5 6 40 OB CLP + EE AMP - OB CLP 35 32 46 + AGC AMP - 7 DUMMY CLAMP 41 42 WHITE CLIP LUM & SYNC MIX VIDEO DRIVE 26 19 27 28 20 43 18 21 22 23 24 25 36 KA7305 SAG VIDEO OUT EE2 EEI CP2(-) CP2(+) CP1(-) CP1(+) GND4 IRIS OUT IRIS CLP CONFIGURATION VCC3 PIN B/W CCD PROCESSOR 36 35 34 33 32 31 30 29 28 27 26 25 DET OUT 37 24 BLK OP(+) 38 23 SYNC OP(-) 39 22 W/C OP OUT 40 21 SET-UP 20 VIDEO IN 19 GND3 AGCONT 41 KA7305 AGCMAX 42 CLP1 43 B/W CCD PROCESSOR 18 OUT 17 LINEAR WIN/BLK AGC OUT 46 15 N.C N.C 47 14 N.C VCC2 48 13 N.C 7 8 9 10 11 12 N.C 6 N.C 5 N.C 4 CLP3 3 DATA 2 SHP1 VCC1 1 PG 16 GND2 45 GND1 IN SHP2 44 SHD CLP KA7305 PIN B/W CCD PROCESSOR DESCRIPTION No Symbol I/O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 VCC1 SHP1 SHD SHP2 GND1 GND2 PG DATA CLP3 N.C N.C N.C N.C N.C N.C I I I I I I - Power supply Precharge sample & hold pulse Data sample & hold pulse Precharge sample & hold pulse Ground Ground CCD signal input CCD singal input Dummy clamp pulse No connection No connection No connection No connection No connection No connection Description 16 17 18 19 20 21 22 WIN/BLK LINEAR ϒ OUT GND3 VIDEO IN SET-UP W/C I O O I I I Window/Blank pulse Linear out Gamma out Ground Video driver input signal Set - up level control White - clip level control 23 SYNC I Composite sync pulse 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 BLK SAG VIDEO OUT EE2 EE1 CP2(-) CP2(+) CP1(-) CP1(+) GND4 IRIS OUT IRIS CLP VCC3 DET OUT OP(+) OP(-) OP OUT AGCONT AGCMAX CLP1 ϒ CLP ϒ IN AGC OUT N.C VCC2 I I O O O I I I I O O I I O I I I I O - Composite blank pulse Sag compensation Composite video signal output EE more comparator output 2 EE more comparator output 1 EE more comparator2 - input EE more comparator2 + input EE more comparator1 - input EE more comparator1 + input Ground IRIS detect output IRIS clamp Power supply AGC detect output AGC OP AMP input (+) AGC OP AMP input (-) AGC OP AMP output AGC gain control AGC maximum gain control Optical black level clamp pulse Gamma clamp Gamma input AGC output signal No connection Power supply Remark Active high Active high Active high Active high Active high Active high KA7305 B/W CCD PROCESSOR ABSOLUTE MAXIMUM RATINGS (Ta = 25°C) Characteristics Power Supply Voltage Power Dissipation Operating Temperature Storage Temperature ELECTRICAL CHARACTERISTICS Characteristics Operating Voltage Supply Current AGC Max Min Gain Symbol VCC ICC G46a AGC Cont Min Gain AGC Cont Max Gain G46b G46c AGC Cont 10dB G46d AGC Out D.C Detect Out D.C Iris Out D.C Iris Amp Gain Linear Amp Gain Gamma Output Level V46 V37 V34 G34 G17 V18 ELECTRICAL CHARACTERISTICS Characteristics Video Amp Gain Sync Level Set - Up Level 1 Set - Up Level 2 Set - Up Level 3 Set - Up Level 4 White - Clip Level 1 White - Clip Level 2 White - Clip Level 3 OP - Amp Dynamic Range EE Comparator & Level EE Comparator & Level Symbol G26 Vsync Vset1 Vset2 Vset3 Vset4 Vwe1 Vwe2 Vwe3 Dop Vch Vcl Symbol Value Unit VCC Pd Topr Tstg 7 500 -20 ~ +75 -65 ~ +150 V mW °C °C (VCC = 5V, Ta = 25°C) Test Condition AGC Max = 4V, Data In = 100mA AGC Cont = 1.5V AGC Cont = 5V, Data In = 500mV AGC Max = 0V, Data In = 30mV AGC Cont = 1.5V AGC Max = 0V, Data In = 320mV AGC Cont = 3.55v ϒ In = 500mVP-P ( VCC = 5V, Test Condition S/U Cont = 0V S/U Cont = 5V S/U Cont = 1.75V S/U Cont = 3.3V S/U Cont = 0V S/U Cont = 2V S/U Cont = 5V Vin (+) = 2.6V, Vin (+) = 2.5V, Symbol V46 V37 V34 V18 Vsy Typ 5.00 45 18 Max 5.25 60 20 Unit V mA dB 30 4 32 6 - dB dB 8 10 12 dB 2.25 1.8 1.1 8 1.6 510 2.55 2.0 1.3 10 2.6 610 2.85 2.2 1.5 12 3.6 710 V V V dB dB mVP-P Min 5.7 26.3 -15 0 80 780 1000 3.3 4.5 - Typ 6.0 286 0 20 -25 130 820 300 1300 - Max 6.3 309 +15 40 -3 860 600 1.2 Unit dB mVP-P mVP-P mVP-P mVP-P mVP-P mVP-P mVP-P mVP-P VP-P V V Ta = 25°C) TEMPERATURE CHARACTERISTICS (VCC = 5V, Characteristics AGC out D.C Detect out D.C EE AMP out D.C ϒ AMP out Sync level Min 4.75 30 - Vin (-) = 2.5V Vin (-) = 2.6V Ta = -20°C ~ +75°C) Test Condition ±5% ±5% ±5% ±5% ±5% Unit V V V mVP-P mVP-P KA7305 B/W CCD PROCESSOR ELECTRICAL CHARACTERISTIC CURVE AGC MAX vs AMP GAIN AGC CONTROL vs AMP GAIN GAIN (dB) 40 GAIN (dB) 40 30 30 20 20 10 10 0 0 0 1 2 3 4 5 0 1 2 3 AGC CONT(V) S/U CONT vs S/U LEVEL SET-UP 130 LEVEL (mV) 120 4 AGC MAX 5 (V) W /C CONT vs W/C LEVEL W/C LEVEL (mV) 1000 80 - - - - 800 40 600 - - 0 - - 400 0 - 40 0 1 2 3 4 5 SET-UP CONT(V) GAMMA INPUT vs OUTPUT r OUTPUT LEVEL 800 (mV) 600 400 200 0 0 200 400 600 800 1000 r INPUT (mV) 0 1 2 3 4 W/C CONT 5 (V) KA7305 B/W CCD PROCESSOR TEST INPUT/OUTPUT SIGNAL WAVEFORM INPUT TERMINAL INPUT SIGNAL Pin7,8(PG,DATA) Pin45(r IN) Pin20(VIDEO IN) Pin23(SYNC) Pin24(BLK) Pin43(CLP1) 5us 15us 50us 2us Pin9(CLP3) 2us OUTPUT SIGNAL OUTPUT TERMINAL Pin46(AGC OUT) --------------------------Pin18(r OUT) --------------------------Pin17(LINEAR) --------------------------Pin37(DET OUT) --------------------------Pin34(IRIS OUT) --------------------------Pin26(V. OUT) ---SYNC LEVEL --------------------------- KA7305 B/W CCD PROCESSOR 104 SAG 43 19 18 B / W PROCESSOR W/C SET - UP VIDEO IN GND3 OUT 44 17 LINEAR 45 16 46 15 47 14 48 13 A 5V 5V 5 6 7 8 : VARIABLE VOLTAGE V 9 10 11 WIN / BLK N.C N.C N.C 12 N.C 4 N.C 3 N.C 2 CLP3 1 V KA7305 42 SYNC V VIDEO OUT EE2 EE1 CP2 ( - ) CP2 ( + ) CP1 ( - ) CP1 ( + ) GND4 20 BLK 104 VCC2 25 41 DATA A 5V 26 21 PG N.C 27 40 GND2 V AGC OUT 28 22 104 IN 29 39 GND1 CLP 104 31 30 23 SHP2 CLP1 32 38 SHD AGCMAX 33 24 SHP1 AGCONT 34 37 VCC1 V OP OUT IRIS OUT IRIS CLP VCC3 A OP ( - ) V OP ( + ) 35 V 36 DET OUT V 5V V 104 TEST CIRCUIT A : AMPERE METER : SIGNAL GENERATOR : ANALOG GND : VOLT METER : DIGITAL GND KA7305 B/W CCD PROCESSOR APPLICATION CIRCUIT 22µH 5V POWER 5V + 100Ω 12µH 22pF 103 CCD 2SK300 3.9KΩ KC73125 - M 5V 50KΩ 10KΩ 50KΩ SUPPLY 10µF /16V 10KΩ 5V 22µF /16V 1KΩ KDS226 + + DET OUT OP ( - ) OP ( + ) AGCONT OP OUT CLP1 AGCMAX IN CLP N.C AGC OUT VCC2 47pF 100KΩ 10KΩ 37 38 39 40 41 42 43 44 45 46 47 48 1 36 VCC1 35 2 SHP1 3 34 SHD 4 33 SHP2 30 29 28 27 26 25 KSC1623 IRIS OUT 22µF 820Ω /16V GND4 CP1 ( - ) 1KΩ KSC1623 CP1 ( + ) CP2 ( - ) CP2 ( + ) EE1 50KΩ 50KΩ EE2 VIDEO. OUT + SAG + 10µF /16V 75Ω VIDEO OUT 10µF /16V 10KΩ BLK N/C SYNC VIDEO. IN SET - UP 1MΩ 1MΩ 10KΩ 2.2KΩ 104 OUT GND3 LINEAR WIN / BLK N.C N.C N.C 2.2KΩ 1KΩ IRIS CLP 24 23 22 21 20 19 18 17 16 15 14 13 47pF 31 12 N.C 11 N.C 10 N.C 9 1µF/16V CLP3 B / W PROCESSOR 8 DATA 7 + KA7305 6 GND2 1µF/16V PG + 5V 104 VCC3 + 5 32 GND1 2.2KΩ 2.2KΩ 47pF TIMING & 2.2KΩ 2.2KΩ 47pF KS7212 47pF 2.2KΩ 1KΩ 50KΩ SYNC GEN 50KΩ KA7305 B/W CCD PROCESSOR PACKAGE DIMENSION 48-QFP-0707 Unit : mm _ 0.30 9.00 + 0~ 8 _ 0.20 7.00 + 0.1 3 +0 - .1 _ 7.00 + 0.20 0.10 MAX _ 0.50 + 0.20 _ 9.00 + 0.30 0.0 0 5 # 48 #1 ( 0.75 ) _ 0.10 0.18 + 0.50 0.1 MAX 0.00 MIN 1.40 _ + 0.10 1.6 MAX