LR36685 Vertical Driver IC for CCD Area Sensors LR36685 DESCRIPTION PIN CONNECTIONS The LR36685 is a CMOS vertical clock driver and shutter driver IC for CCD area sensors which provides the functions to convert the voltage and impedance from the CMOS level. TOP VIEW 24-PIN SSOP FEATURES • Built-in seven circuits – 2-level output : 2 circuits for vertical CCD clock driver Output voltage level (TYP.) = –9 to 0 V – 3-level output : 4 circuits for vertical CCD clock driver Output voltage level (TYP.) = –9 to 0 to +15 V – 2-level output : 1 circuit for shutter driver Output voltage level (TYP.) = –9 to +17 V • Switchable between NTSC (EIA) and PAL (CCIR) modes • Package : 24-pin SSOP (SSOP024-P-0275) POFD 1 24 VOFDH VMb 2 23 VH3BX VL 3 22 OFDX V2 4 21 V2X V4 5 20 V1X NC 6 19 VH1AX V3B 7 18 V3X V3A 8 17 VDD V1B 9 16 GND V1A 10 15 VH3AX VMa 11 14 V4X VH 12 13 VH1BX (SSOP024-P-0275) In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. 1 LR36685 BLOCK DIAGRAM POFD 1 24 VOFDH VMb 2 23 VH3BX VL 3 22 OFDX V2 4 21 V2X V4 5 20 V1X 19 VH1AX NC 6 V3B 7 MIX 18 V3X V3A 8 MIX 17 VDD V1B 9 MIX 16 GND V1A 10 MIX 15 VH3AX 14 V4X VMa 11 13 VH1BX VH 12 2 LR36685 PIN DESCRIPTION PIN NO. SYMBOL PIN NAME DESCRIPTION An electronic shutter pulse output. 1 POFD OFD pulse output 2 VMb Power supply A power supply for high level of V2 and V4. 3 VL Power supply A power supply for low level of all output pulses. Vertical transfer A pulse to drive vertical CCD shift register. pulse output 2 Vertical transfer Connect to ØV2. A pulse to drive vertical CCD shift register. 4 V2 5 V4 6 NC 7 V3B 8 V3A (high level = VOFDH, low level = VL) pulse output 4 Connect to ØV4. No connection Vertical transfer No connection A pulse to drive vertical CCD shift register. pulse output 3B Vertical transfer Connect to ØV3B. A pulse to drive vertical CCD shift register. pulse output 3A Connect to ØV3A. A pulse to drive vertical CCD shift register. Connect to ØV1B. A pulse to drive vertical CCD shift register. Connect to ØV1A. 9 V1B Vertical transfer pulse output 1B 10 V1A Vertical transfer pulse output 1A 11 VMa Power supply 12 VH Power supply and V3B. A power supply for high level of V1A, V1B, V3A and V3B. 13 VH1BX Readout pulse input 1B A pulse that transfers the charge of the photo-diode to the vertical shift register. 14 V4X 15 VH3AX 16 Vertical transfer pulse input 4 Readout pulse input A power supply for intermediate level of V1A, V1B, V3A A vertical transfer pulse input. A pulse that transfers the charge of the photo-diode to GND 3A Ground the vertical shift register. A grounding pin. 17 VDD Power supply A power supply for input pulses. 18 V3X 19 VH1AX Readout pulse input 1A A pulse that transfers the charge of the photo-diode to the vertical shift register. 20 V1X Vertical transfer pulse input 1 A vertical transfer pulse input. 21 V2X 22 OFDX OFD pulse input An electronic shutter pulse input. 23 VH3BX Readout pulse input 3B A pulse that transfers the charge of the photo-diode to the vertical shift register. 24 VOFDH Power supply A power supply for high level of POFD. Vertical transfer pulse input 3 Vertical transfer pulse input 2 A vertical transfer pulse input. A vertical transfer pulse input. 3 LR36685 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply voltage Input voltage Storage temperature (TA = +25 ˚C) SYMBOL VDD RATING GND – 0.3 to GND + 6.0 UNIT V VH – VL VMa, VMb 29.0 V VL to VH V VOFDH – VL VIN 34.0 V GND – 0.3 to VDD + 0.3 V TSTG –55 to +150 ˚C NOTE : 1. VH (MIN.) = VDD, VOFDH (MIN.) = VDD, VL (MAX.) = GND RECOMMENDED OPERATING CONDITIONS PARAMETER Supply voltage Input voltage SYMBOL VDD MIN. 3.0 TYP. 3.3 MAX. 5.5 UNIT V VH – VL 17.0 24.0 27.0 V VH VL 12.0 –10.0 15.0 –9.0 20.0 –5.0 V V VMa, VMb VOFDH – VL 17.0 0.0 26.0 32.0 V V VOFDH 12.0 17.0 24.0 V 0.25VDD VDD + 0.2 V V VIN (Low) 0 VIN (High) 0.8VDD Operating frequency NTSC PAL Operating temperature TOPR 15.734 15.625 –20 kHz kHz +70 4 ˚C NOTE 1 LR36685 ELECTRICAL CHARACTERISTICS DC Characteristics (VDD = +3.3 V, VH = +15.0 V, VL = –9.0 V, VMa = VMb = 0 V, VOFDH = +17.0 V, TA = +25 ˚C) PARAMETER Input "Low" voltage SYMBOL VIL Input "High" voltage VIH Input "Low" current |IIL| |IIH| Input "High" current CONDITIONS TYP. MAX. UNIT MIN. 0.0 0.25VDD V 0.8VDD VDD + 0.2 V 200 VIL = 0 V VIH = 3.3 V 1.0 µA µA –8.9 V 1, 2, 3 V V 2 3 2 Output "Low" voltage VOL IOL < 1 µA Output "High" voltage Output "High" voltage VOH IOH < 1 µA IOFDH < 1 µA 14.9 16.9 IOMLa < 1 µA IOMHa < 1 µA –0.1 –0.1 0.1 0.1 V V VOFDH VOMLa Output "Intermediate" voltage VOMHa NOTE VOMLb IOMLb < 1 µA –0.1 0.1 V IOMHb < 1 µA VOL = VL + 0.1 V –0.1 1.0 0.1 Output "Low" current VOMHb |IOL| V mA Output "High" current Output "High" current |IOH| |IOFDH| VOH = VH – 0.1 V VOFDH = VOFDH – 0.1 V 1.0 1.0 mA mA |IOMLa| VOMLa = VM – 0.1 V 1.0 mA Output "Intermediate" current |IOMHa| |IOMLb| VOMHa = VM + 0.1 V VOMLb = VM – 0.1 V 1.0 1.0 mA mA |IOMHb| RONH VOMHb = VM + 0.1 V IOH = 20 mA 1.0 30 mA $ RONOFH IOFDH = 20 mA 20 $ 3 RONM RONL IOM = 20 mA IOL = 20 mA 25 20 $ $ 1, 2, 3 Output ON resistance 2.0 |IDD| |IH| Static current 200 mA µA |IOFDH| |IM| 200 µA 200 µA |IL| 200 µA NOTES : 1. Applied to outputs (V2, V4). 2. Applied to outputs (V1A, V1B, V3A, V3B). 3. Applied to output (POFD). 5 1 1, 2, 3 2 3 2 1 2 1, 2 LR36685 AC Characteristics (VDD = +3.3 V, VH = +15.0 V, VL = –9.0 V, VMa = VMb = 0 V, VOFDH = +17.0 V, TA = +25 ˚C, Shutter speed : 1/100 000 s) PARAMETER SYMBOL tTRM CONDITIONS VIN to VM – 1.0 V (VL/VM) (V1A, V1B, V2, V3A, V3B, V4) VIN to VL + 1.0 V tTFL (VM/VL) (V1A, V1B, V2, V3A, V3B, V4) VIN to VH – 1.0 V tTRH Sequential delay Dynamic current (VM/VH) (V1A, V1B, V3A, V3B) tTFM (VH/VM) VIN to VM + 1.0 V (V1A, V1B, V3A, V3B) tTROFDH (VL/VOFDH) VIN to VOFDH – 1.0 V (POFD) tTFOFDL VIN to VL + 1.0 V (VOFDH/VL) (POFD) IDYN During operation NOTE : Refer to "Switching Characteristics Conditions" and "Equivalent Circuit". 6 TYP. MAX. UNIT 600 1 200 ns 600 1 200 ns 800 1 600 ns 800 1 600 ns 80 160 ns 80 160 ns 5 10 mA LR36685 Switching Characteristics Conditions VDD (3.3 V) V1X, V2X V3X, V4X GND (0.0 V) VDD (3.3 V) VH1AX, VH1BX VH3AX, VH3BX GND (0.0 V) tTRH tTFM VH – 1.0 VH (15.0 V) tTFL tTRM V1A, V1B V3A, V3B VM + 1.0 VM – 1.0 VMa (0.0 V) VL + 1.0 VL (–9.0 V) VMb (0.0 V) V2, V4 VL (–9.0 V) VDD (3.3 V) OFDX GND (0.0 V) tTROFDH tTFOFDL VOFDH – 1.0 VOFDH (17.0 V) POFD VL + 1.0 VL (–9.0 V) Equivalent Circuit (While V1A and V3A [or V1B and V3B] are measured, V1B and V3B [or V1A and V3A] are open.) C41 V1A (or V1B) V4 R1 POFD R4 C12 C34 CSUB C23 V2 R2 R3 C1 C2 C3 V3A (or V3B) C4 CSUB = 500 pF R1 to R4 = 51 $ RG = 10 $ C1 to C4 = 3 300 pF C12, C23, C34, C41 = 1 000 pF RG 7 PACKAGES FOR CCD AND CMOS DEVICES PACKAGE (Unit : mm) 24 SSOP (SSOP024-P-0275) 0.15 0.65TYP. 13 1.05±0.1 12 0.45 7.8±0.2 0.15 0.15±0.05 Package base plane 0.1±0.1 1 7.6±0.4 6.0±0.2 24 M (6.6) 0.27±0.1 0.15 8