Ver1.0 A1 PROs Signal Processor for CCD Monochrome Camera OP OUT OP IN- OP IN+ NC PG SHP The Ai4402 is designed to perform the basic signal processing in CCD monochrome camera through a single chip. This bipolar IC is most suitable for compact usage and low power consumption. DATA SHD Pin Configuration Description CLP2 AGC CONT GND3 Vcc1 Feature IRIS AGC MAX IRIS CLP • Processing from CCD output to 75¥ Øvideo output with a single chip • Wide variable AGC (1 to 32 dB Typ.) • Built-in operational amplifier for AGC loop • 75¥ Øline capacitance minimized using sag compensation function • Variable white clip level realize wide dynamic range (140 IRE) • 32pin TQFP DET OUT Ai4402 BLK AGC OUT CLP1 γ IN Vcc2 γ CLP VIDEO Application γ OUT DRIVER IN DC CONT WC CONT SYNC SAG LINEAR GND1 A1 PROs Ai4402 GND2 1 32 PIN TQFP CCD monochrome camera (Top view) Absolute Maximum Ratings (Ta = 25 ¡ É ) Symbol Vcc TSTG TOPR PD Parameter Supply Voltage Storage Temperature Operating Temperature Allowable Power Dissipation Rating 7 -65 ~ +150 -20 ~ +75 500 Unit V ¡ É ¡ É Rating 4.75 ~ 5.25 Unit V § Ñ Operating Conditions Symbol Vcc Parameter Supply Voltage Block Diagram SHP SHD1 25 24 21 CLP2 S/H S/H AGC AGC AGC CLP ¥ã IN ¥ ã MAX CONT OUT 14 16 12 11 10 OP OUT 17 _ + PG 23 CLP2 DATA 22 S/H CLP2 GND3 26 CLP1 BLK 13 DET OUT 31 VCC2 _ BLK CLP1 + IRIS 27 18 OP19 OP+ + AGC Vcc1 15 CLP1 ¥ ã1 WC DC BLK SYNC 32 VIDEO DRIVE ¥ ã2 GND1 3 28 9 IRIS LINEAR CLP 8 7 OUT DRIVE IN 1 6 5 4 30 1 SAG 2 GND2 29 WC DC SYNC CLP1 BLK CONT CONT Ai4402 Pin Description NO. Symbol I/O signal Equivalent circuit 10 § Ú 150¥ Ø 1 SAG Inputs VIDEO OUT through capacitor Description Input pin of sag compensation signal 1 150¥ Ø 6§ Ú 400§ Ë 2 GND2 * GND 3 GND1 * GND GND for driver and IRIS GND for other than driver and sample hold and IRIS 20§ Ë T 150¥ Ø 4 4 Sync pulse input pin (active at LO) SYNC HI : 4.5V and above LO : 0.5V and below T:5§ Á Dark clip level adjusting pin Turns to preset mode 1 * GND 5 DC CONT 150¥ Ø * 2 to 3.5V Control mode 5 40 § Ë * Vcc Turns to preset mode 2 White clip level adjusting pin 150¥ Ø 6 WC CONT * GND Preset mode 6 40§ Ë * 2 to 3.5V Control mode *External applied voltage 2 Ai4402 NO. 7 Symbol DRIVE IN I/O signal Inputs ¥ ã OUT through capacitor or LINEAR Equivalent circuit 7 Description Input pin to driver 40 § Ë 8 Gamma compensation signal output pin. Outputs ¥ ã 1 when Pin 9 at OPEN outputs ¥ ã 2 when Pin 9 turned to 5V 8 ¥ ãOUT 480§ Ë DC 2V Linear signal (¥ ã -OFF signal) output pin 150¥ Ø 9 LINEAR DC 1.8V 9 480§ Ë 15 § Ë Pin 8 output signal turns to ¥ ã 2 output * Vcc 150¥ Ø 10 ¥ ãCLP 10 150¥ Ø Capacitor connecting pin for gamma input clamp *External applied voltage 3 Ai4402 NO. Symbol Equivalent circuit I/O signal Description 150¥ Ø 11 11 ¥ ãIN Input DC permissible range *DC2 to 3V 80§ Ë 160§ Ë Input pin of the gamma compensation circuit 700§ Ë 12 12 AGC OUT Vpp MAX 1300mV Vpp TYP 500mV DC 2.55V 13 13 DET OUT MAX 1500mV TYP 500mV DC 2V 320§ Ë Output pin of signal passed through AGC Output pin of AGC detection signal 20§ Ë 150¥ Ø 14 AGC MAX * DC 15 Vcc1 *5V 14 Maximum gain setting pin of AGC amplifier Power supply for other than driver and IRIS *External applied voltage 4 Ai4402 NO. Symbol Equivalent circuit I/O signal Description 150¥ Ø 16 16 AGC CONT Gain control pin of AGC amplifier * DC 120§ Ë 320§ Ë 17 17 OP OUT 150¥ Ø Inverted input pin of the operational amplifier 18 18 Output pin of the operational amplifier OP IN20§ Ë 150¥ Ø 19 OP IN+ 19 20§ Ë Non inverted input pin of the operational amplifier (AGC detection signal input pin) *External applied voltage 5 Ai4402 NO. 20 Symbol I/O signal Equivalent circuit Description NC T 100§ Ë Input pin of the sample hold pulse (active at HI) 150¥ Ø 21 SHD 21 * HI : 4.5V and above LO : 0.5V and below T : 15ns and above 150§ Ë • ‚ 22 22 DATA CCD signal input pin • MAX 800mV ‚ MAX 800mV 150§ Ë • ‚ 23 23 PG CCD signal input pin • MAX 800mV ‚ MAX 800mV T 100§ Ë 150¥ Ø 24 24 SHP * HI : 4.5V and above LO : 0.5V and below T : 15ns Input pin of the sample hold pulse (active at HI) *External applied voltage 6 Ai4402 NO. Symbol I/O signal Equivalent circuit Description T 100§ Ë 150¥ Ø 25 CLP2 * HI : 4.5V and above LO : 0.5V and below T:2§ Á 26 GND3 *GND 27 IRIS CLP2 pulse input pin (active at HI) 25 Sample hold GND 27 DC 1.3V 320§ Ë 150¥ Ø Capacitor connecting pin for IRIS output clamp 28 28 Output pin of the IRIS control signal IRIS CLP 150¥ Ø T 40 § Ë 150¥ Ø 29 BLK 29 * HI : 4.5V and above LO : 0.5V and below T : 11 § Á BLK pulse input pin (active at LO) *External applied voltage 7 Ai4402 NO. Symbol I/O signal Equivalent circuit T 50 § Ë CLP1 pulse input pin (active at HI) 150¥ Ø 30 CLP1 * HI : 4.5V and above LO : 0.5V and below T:2§ Á 31 Vcc2 * 5V 32 VIDEO Description 30 Driver and IRIS power supply 32 VIDEO signal output pin BLK level 1.5V *External applied voltage 8 Ai4402 Electrical Characteristics(Ta=25 ¡ É, Vcc=5V,See Electrical Characteristics Test Circuit) No. Symbol 1 Icc 2 MAX 3 AG1 4 Item Current consumption Conditions Current value of Vcc1 and Vcc2 AGC CONT = 1.5V Min Typ Max Unit 45 50 65 mA - 18 20 dB - 1 4 dB 30 32 - dB 8 10 12 dB Min. value of AGC MAX GAIN between DATA input and AGC OUT DATA input = 100mV AGC MAX = 4V, AGC CONT = 1.5V AG2 Min. value of AGC CONT Max. value of AGC CONT 5 AG3 AGC CONT 10dB GAIN between DATA input and AGC OUT DATA input = 500mV, AGC CONT = 5V GAIN between DATA input and AGC OUT DATA input = 30mV, AGC CONT =1.5V GAIN between DATA input and AGC OUT DATA input = 320mV, AGC CONT =3.55V 6 ADC AGC OUT DC DC output level of AGC OUT 2.25 2.55 2.85 7 ¥ã 1 ¥ã 1 output level Test value of ¥ ã 1 output level ¥ã IN input = 500mV 530 630 730 mV 8 ¥ã 2 ¥ã 2 output level 9 LG LINEAR AMP GAIN Test value of ¥ ã 2 output level ¥ã IN input = 500mV, S9 ON GAIN between ¥ ã IN input level and LINEAR ¥ã IN input = 500mV 10 DDC DET OUT DC DC output level of DET OUT 11 IG IRIS AMP GAIN GAIN between DATA input and IRIS DATA input = 300mV 12 IDC IRIS OUT DC 13 DG 14 V 580 680 780 mV 1.5 2.6 3.5 dB 1.8 2.0 2.2 V 8 10 12 dB DC output level of IRIS 1.1 1.3 1.5 V DRIVER GAIN GAIN between DRIVER IN and VIDEO DRIVER IN = 700mV 5.7 6.0 6.3 dB SY SYNC level SYNC level / DG* of VIDEO output 270 293 316 mV 15 DC1 Dark clip 1 16 DC2 Dark clip 2 17 DC3 18 DC4 Min. value of DC CONT Max. value of DC CONT 19 WC1 W-CLIP level 20 WC2 Min. value of WC CONT Dark clip level of preset mode 1 -15 0 15 mV Dark clip level / DG* of VIDEO output Dark clip level of preset mode 2 0 20 40 mV Dark clip level / DG* of VIDEO output Dark clip level / DG* of VIDEO output 3 5 mV DC CONT = 2V Dark clip level / DG* of VIDEO output 80 130 mV DC CONT = 3.3V W-CLIP level / DG* of VIDEO output DRIVER IN =1500mV, WC CONT = GND 780 820 860 mV W-CLIP level / DG* of VIDEO output - 300 600 mV DRIVER IN =1500mV, WC CONT =2.2V 21 WC3 22 OPL 23 OPH Max. value of WC CONT OP AMP output D range Low level OP AMP output D range High level W-CLIP level / DG* of VIDEO output DRIVER IN =1500mV, WC CONT =3.3V 1000 1300 DC output level of OP OUT 0.8 1.2 OP IN+ = 2.5V, OP IN- = 4V DC output level of OP OUT 4.5 4.8 OP IN+ = 4V, OP IN- = 2.5V mV V V *Characteristics value at DRIVER GAIN item 9 Ai4402 Electrical Characteristics Test Circuit 5V 5V V 24 23 22 21 20 19 18 17 PG DATA SHD NC OP IN+ OP IN- OP OUT 0.1 SHP 0.1 25 CLP2 AGC CONT 16 (5V) 5V 26 GND3 V VCC1 15 A (0V) 27 IRIS AGCMAX 14 28 IRISCLP DETOUT 13 V 29 BLK AGCOUT 12 V 0.01 30 CLP1 γ IN 11 A 31 VCC2 γ CLP 10 V 32 VIDEO GND1 SYNC DC CONT WCCONT DRIVERIN 1 2 3 4 5 6 7 LINEAR 9 8 V γ OUT GND2 0.01 SAG 5V 5V S9 0.01 V (0V) (0V) Note ) • § Þis the capacitance unit of capacitor • For pins 5,6,14 and16 apply voltage in brackets unless otherwise specified in the conditions column of the electrical characteristics. • ¨ âindicate a test pin. (Test AC, DC voltage) • For Pins 7,11 and 22, the input signal level is at 0mV, unless otherwise specified in the conditions column of the Electrical Characteristics. 10 Ai4402 Test Circuit I/O Waveform Diagram Input pin Input waveform 2.4V Input level 22. DATA 11. γ IN Input level 2.5V 7. DRIVER IN Input level 2.7V 4. SYNC 5V 5µs 0V 29. BLK 5V 15µs 50µs 0V 5V 30. CLP1 0V 2µs 5V 25. CLP2 2µs 0V Output pin Output waveform 8. γ 1, 2 OUT Test 9. LINEAR Test 12. AGC OUT Test 13. DET OUT Test 27. IRIS Test 32. VIDEO Test SYNC level 11 Ai4402 Application Circuit 15V 100 KDS226 CCD 10K 1K 5V 3.9K + 100K 22§ Þ 2.7K 10K 1KVR + 0.1 1M 0.1 24 23 22 21 20 19 18 17 SHP PG DATA SHD NC OP IN+ OP IN- OP OUT 2.2K 1¥ ì/16V 0.1 25 CLP2 5V AGC CONT 16 5V 271p 26 GND3 2K 15K VCC1 15 33K IRIS DET. AGCMAX 14 27 IRIS 28 IRISCLP 29 BLK 2.2K 5V DETOUT 13 Ai4402 0.01 1K AGCOUT 12 12µΗ γ IN 11 30 CLP 220p γ CLP 10 GND2 GND1 SYNC DC CONT WCCONT DRIVERIN 1 2 3 4 5 6 7 32 VIDEO + 100§ Þ /6.3V + 1¥ ì/6.3 22p LINEAR 9 8 75 γ OUT SAG 31 VCC2 5V 0.1 + 10§ Þ 0.1 75Ω Video out. Timing Gen. (Ai5412) 12 • Capacitance unit : µF • Resistor unit : Ω Ai4402 Characteristic Curve (Vcc=5V, Ta=25 °C) Fig.2 - AGC MAX control characteristics 30 40 20 30 GAIN (dB) GAIN (dB) Fig.1 - AGC control characteristics 10 20 10 0 -10 0 1 2 3 4 AGC CONT (V) 1 5 3 4 5 AGC MAX (V) Fig.3A - γ 1 I/O characteristics Fig.3B - γ 2 I/O characteristics 1000 1000 γ 2 output level (mV) γ 1 output level (mV) 2 500 0 500 0 500 1000 γ IN input level (mV) 500 1000 γ IN input level (mV) Fig.4 - White Clip control characteristics Fig.5 - Dark clip control characteristics Preset Set up level (mV) White clip level (mV) 1000 800 600 400 50 Preset Preset 0 0 1 2 3 4 WC CONT (V) 5 1 13 2 3 4 DC CONT (V) 5 Ai4402 Package Outline -C- 0.10 0.05 0.10 C UNIT = mm D -D- v 0.20 C A-B D 0.8BSC −0.07 # 0.37+0.08 *7.0BSC 9.00BSC (3.5) -B- -A- 8-12±1 "A" 1.50MAX DATUM PLANE (3.5) D D *7.0BSC 9.00BSC 0.20 H A-B D 0.20 C A-B D 0.2MIN .08 MIN . 0-7 0.6±0.15 1.00REF GAUGE PLANE 0.10±0.05 RO R 20 -0. 08 . O 0.09-0.2 0 0.25 0.MIN (0.6375) (0.6375) 1.40±0.05 -H- DETAIL " A " Note ) 1. DIMENSION * MARK DOES NOT INCLUDE MOLD FLASH 2. DIMENSION # DOES NOT INCLUDE DAMBAR PROTRUSION 3. UNSPECIFIED IS ACCORDING TO JEDEC MO-136, VARIATION "BE" 14