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LR36685
LR36685
DESCRIPTION
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.
24-PIN SSOP
POFD 1 VMb 2 VL 3 V2 4 V4 5 NC 6 V3B 7 V3A 8 V1B 9 V1A 10 VMa 11 VH 12
Vertical Driver IC for CCD Area Sensors
PIN CONNECTIONS
TOP VIEW
24 VOFDH 23 VH3BX 22 OFDX 21 V2X 20 V1X 19 VH1AX 18 V3X 17 VDD 16 GND 15 VH3AX 14 V4X 13 VH1BX
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)
(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
NC 6
19 VH1AX
V3B 7
MIX
18 V3X
V3A 8
MIX
17 VDD
V1B 9
MIX
16 GND
V1A 10
MIX
15 VH3AX
VMa 11
14 V4X
VH 12
13 VH1BX
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LR36685
PIN DESCRIPTION
PIN NO. SYMBOL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 POFD VMb VL V2 V4 NC V3B V3A V1B V1A VMa VH VH1BX V4X VH3AX GND VDD V3X VH1AX V1X V2X OFDX VH3BX VOFDH PIN NAME OFD pulse output Power supply Power supply Vertical transfer pulse output 2 Vertical transfer pulse output 4 No connection Vertical transfer pulse output 3B Vertical transfer pulse output 3A Vertical transfer pulse output 1B Vertical transfer pulse output 1A Power supply Power supply Readout pulse input 1B Vertical transfer pulse input 4 Readout pulse input 3A Ground Power supply Vertical transfer pulse input 3 Readout pulse input 1A Vertical transfer pulse input 1 Vertical transfer pulse input 2 OFD pulse input Readout pulse input 3B Power supply DESCRIPTION An electronic shutter pulse output. (high level = VOFDH, low level = VL) A power supply for high level of V2 and V4. A power supply for low level of all output pulses. A pulse to drive vertical CCD shift register. Connect to OV2. A pulse to drive vertical CCD shift register. Connect to OV4. No connection A pulse to drive vertical CCD shift register. Connect to OV3B. A pulse to drive vertical CCD shift register. Connect to OV3A. A pulse to drive vertical CCD shift register. Connect to OV1B. A pulse to drive vertical CCD shift register. Connect to OV1A. A power supply for intermediate level of V1A, V1B, V3A and V3B. A power supply for high level of V1A, V1B, V3A and V3B. A pulse that transfers the charge of the photo-diode to the vertical shift register. A vertical transfer pulse input. A pulse that transfers the charge of the photo-diode to the vertical shift register. A grounding pin. A power supply for input pulses. A vertical transfer pulse input. A pulse that transfers the charge of the photo-diode to the vertical shift register. A vertical transfer pulse input. A vertical transfer pulse input. An electronic shutter pulse input. A pulse that transfers the charge of the photo-diode to the vertical shift register. A power supply for high level of POFD.
3
LR36685
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL VDD VH - VL VMa, VMb VOFDH - VL VIN TSTG RATING GND - 0.3 to GND + 6.0 29.0 VL to VH 34.0 GND - 0.3 to VDD + 0.3 -55 to +150
(TA = +25 C)
UNIT V V V V V C NOTE
Supply voltage
1
Input voltage Storage temperature
NOTE :
1. VH (MIN.) = VDD, VOFDH (MIN.) = VDD, VL (MAX.) = GND
RECOMMENDED OPERATING CONDITIONS
PARAMETER SYMBOL VDD VH - VL Supply voltage VH VL VMa, VMb VOFDH - VL VOFDH Input voltage Operating frequency Operating temperature MIN. 3.0 17.0 12.0 -10.0 17.0 12.0 TYP. 3.3 24.0 15.0 -9.0 0.0 26.0 17.0 MAX. 5.5 27.0 20.0 -5.0 32.0 24.0 0.25VDD VDD + 0.2 15.734 15.625 -20 +70 UNIT V V V V V V V V V kHz kHz C
VIN (Low) 0 VIN (High) 0.8VDD NTSC PAL TOPR
4
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 Input "High" voltage Input "Low" current Input "High" current Output "Low" voltage Output "High" voltage Output "High" voltage SYMBOL VIL VIH |IIL| |IIH| VOL VOH VOFDH VOMLa Output "Intermediate" voltage VOMHa VOMLb VOMHb |IOL| |IOH| |IOFDH| |IOMLa| Output "Intermediate" current |IOMHa| |IOMLb| |IOMHb| RONH Output ON resistance RONOFH RONM RONL |IDD| |IH| Static current |IOFDH| |IM| |IL| VIL = 0 V VIH = 3.3 V IOL < 1 A IOH < 1 A IOFDH < 1 A IOMLa < 1 A IOMHa < 1 A IOMLb < 1 A IOMHb < 1 A VOL = VL + 0.1 V VOH = VH - 0.1 V VOFDH = VOFDH - 0.1 V VOMLa = VM - 0.1 V VOMHa = VM + 0.1 V VOMLb = VM - 0.1 V VOMHb = VM + 0.1 V IOH = 20 mA IOFDH = 20 mA IOM = 20 mA IOL = 20 mA 14.9 16.9 -0.1 -0.1 -0.1 -0.1 1.0 1.0 1.0 1.0 1.0 1.0 1.0 30 20 25 20 2.0 200 200 200 200 0.1 0.1 0.1 0.1 CONDITIONS TYP. MAX. UNIT MIN. 0.0 0.25VDD V 0.8VDD VDD + 0.2 V 200 1.0 -8.9 A A V V V V V V V mA mA mA mA mA mA mA $ $ $ $ mA A A A A 1, 2, 3 2 3 2 1 1, 2, 3 2 3 2 1 2 3 1, 2 1, 2, 3 NOTE
Output "Low" current Output "High" current Output "High" current
NOTES :
1. Applied to outputs (V2, V4). 2. Applied to outputs (V1A, V1B, V3A, V3B). 3. Applied to output (POFD).
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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 TYP. 600 600 800 800 80 80 5 MAX. 1 200 1 200 1 600 1 600 160 160 10 UNIT ns ns ns ns ns ns mA
(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 (VM/VH) tTFM (VH/VM) tTROFDH (VL/VOFDH) tTFOFDL (VOFDH/VL) Dynamic current IDYN (V1A, V1B, V3A, V3B) VIN to VM + 1.0 V (V1A, V1B, V3A, V3B) VIN to VOFDH - 1.0 V (POFD) VIN to VL + 1.0 V (POFD) During operation
NOTE :
Refer to "Switching Characteristics Conditions" and "Equivalent Circuit".
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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 VH (15.0 V) tTRM V1A, V1B V3A, V3B VMa (0.0 V) VM - 1.0 VM + 1.0 VH - 1.0 tTFL tTFM
VL (-9.0 V) VMb (0.0 V) V2, V4 VL (-9.0 V) VDD (3.3 V) OFDX GND (0.0 V) tTROFDH VOFDH (17.0 V) POFD VL (-9.0 V) VL + 1.0 tTFOFDL VOFDH - 1.0
VL + 1.0
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 C12 C23 C34 V3A (or V3B) R4
POFD CSUB
V2 R2 C1 C2 C3 C4 R3
CSUB = 500 pF R1 to R4 = 51 $ RG = 10 $ C1 to C4 = 3 300 pF C12, C23, C34, C41 = 1 000 pF
RG
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PACKAGES FOR CCD AND CMOS DEVICES
PACKAGE
24 SSOP (SSOP024-P-0275)
(Unit : mm)
0.270.1 24
0.65TYP. 13
0.15
M
6.00.2
1
1.050.1
7.80.2
12 0.150.05 0.15 0.45
7.60.4
Package base plane
0.15
8
0.10.1
(6.6)

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Price & Availability of LR36685

Part #	Manufacturer	Description	Price	BuyNow Qty.
LR36685	Sharp Microelectronics of the Americas	CCD DRIVER, 24 Pin, Plastic, SSOP	7: USD3.165 3: USD4.22 1: USD6.33	37
LR36685	Sharp Microelectronics of the Americas	CCD DRIVER, 24 Pin, Plastic, SSOP	17: USD4.22 6: USD4.642 1: USD6.33	48
LR36685	Sharp Microelectronics of the Americas	CCD DRIVER, 24 Pin, Plastic, SSOP	10: USD7.7146 4: USD8.4861 1: USD11.5719	31

Part #	Manufacturer	Description	Price	BuyNow Qty.
LR36685	Sharp Microelectronics of the Americas			3
LR366851	MFG UPON REQUEST			25997

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