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LR38580
LR38580
DESCRIPTION
Single-chip Driver IC for 270 k/320 k-pixel B/W CCDs with Dual-power-supply Operation
PIN CONNECTIONS
48-PIN QFP TOP VIEW
The LR38580 is a CMOS single-chip driver IC which generates timing pulses for driving 270 k/320 kpixel B/W CCD area sensors with a dual-powersupply operation, synchronous pulses for TV signals and processing pulses for video signals.
48 47 46 45 44 43 42 41 40 39 38 37 TST1 1 EEST 2 WIND 3 VRI 4 TST2 5 TST3 6 GND 7 VDD 8 CSYN 9 CBLK 10 OBCP 11 HBLK 12 13 14 15 16 17 18 19 20 21 22 23 24 FLMD MIR VDD V1 V2 V3 V4 TST4 GND VTG VDD12 OFD 36 EENR 35 EEUD 34 EEMD 33 VD 32 HD 31 GND 30 VDD 29 ACLX 28 TVMD 27 TST5 26 OSCO 25 OSCI
FEATURES
* Designed for 270 k/320 k-pixel B/W CCD area sensors with a dual-power-supply operation * Switchable between EIA and CCIR modes * Electronic shutter and EE control are possible * Maximum shutter speed is selectable from approx. 1/100 000 s, 1/56 000 s and 1/32 000 s * Starting shutter speed is selectable from approx. 1/100 000 s and 1/1 000 s * Flicker-less function * Switchable between normal and mirror images * External synchronization is possible * Level shifter for readout and shutter pulses included * Dual +5 V and +12.5 V power supplies * Package : 48-pin QFP (QFP048-P-0707) 0.5 mm pin-pitch
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
GND TST6 FH1B FH1 VDD FH2 FH2B FR STSL FCDS FS SMAX
(QFP048-P-0707)
LR38580
BLOCK DIAGRAM
OSCO EEMD TVMD EENR EEUD ACLX OSCI 25 TST5 27 GND VDD 30 HD 32 VD 33
36
35
34
31
29
28
26
SMAX 37 MIX LEVEL SHIFTER OSC
24 OFD
FS 38
23 VDD12
FCDS 39 H/L JUDGE STSL 40
SHUTTER UP/DOWN CONTROL
SHUTTER SPEED CONTROL LEVEL SHIFTER
22 VTG
21 GND
FR 41
MIX
1/2
20 TST4
FH2B 42
19 V4
FH2 43 1/4 VDD 44 FH1 45 RESET FH1B 46 TST6 47 GND 48 1/2 H COUNTER 1 V COUNTER DECODER H COUNTER 2 DECODER
18 V3 17 V2 16 V1 15 VDD 14 MIR 13 FLMD
1 TST1
2 EEST
3 WIND
4 VRI
5 TST2
6 TST3
7 GND
8 VDD
9 CSYN
10 CBLK
11 OBCP
12 HBLK
2
LR38580
PIN DESCRIPTION
PIN NO. SYMBOL 1 TST1 I/O ICD POLARITY PIN NAME - Test pin 1 Electronic exposure control input 1 DESCRIPTION A test pin. Set open or to L level in the normal mode. An input pin to control electronic exposure using EEUD (pin 35) and EENR (pin 36). L level H level or open FLMD EEMD L L H L H L H H : Electronic exposure is stopped. : Electronic exposure is operated. WIND WIND1 (vertical pulse) WIND2 (composite pulse)
2
EEST
ICU
-
An output pin for window pulse.
ON 3 WIND
()
N-ch Open Drain ICSU ICD ICD - - O - - - - -
Window pulse output WIND1 : When connected to EEST (pin 2), the operation of electronic exposure can be stopped at the upper side of monitor. WIND2 : A pulse that picks out the center of CCD output. At this time, set H level or open at EEST (pin 2). As the output circuit of WIND is N-ch open drain, connect to VDD with R ( 47 k$). An input pin for resetting internal vertical counter. The input pulse is VSYNC (negative polarity). A test pin. Set open or to L level in the normal mode. A test pin. Set open or to L level in the normal mode. A grounding pin. Supply of +5 V power. An output pin of composite synchronous signal pulse.
4 5 6 7 8 9
VRI TST2 TST3 GND VDD CSYN
Vertical reset input Test pin 2 Test pin 3 Ground Power supply Composite synchronizing pulse output Composite blanking pulse output Optical black clamp pulse output Horizontal blanking pulse output
10
CBLK
O
An output pin of composite blanking pulse. A pulse to clamp the optical black signal. This pulse stays low during the absence of effective pixels within the vertical blanking. A pulse that corresponds to the cease period of the horizontal transfer pulse.
11
OBCP
O
12
HBLK
O
3
LR38580
PIN NO. SYMBOL I/O POLARITY PIN NAME DESCRIPTION An input pin to control electronic exposure mode, flickerless mode and WIND (pin 3) pulse output. Electronic exposure 13 FLMD ICU - and WIND pulse control input 1 FLMD EEMD Electronic Shutter mode WIND L L EIA : 1/60 s, CCIR : 1/50 s WIND1 H L H L H H EIA : 1/100 s, CCIR : 1/120 s WIND1 E/E operation E/E operation WIND1 WIND2
WIND 1 : Vertical pulse WIND 2 : Composite pulse (vertical and horizontal) An input pin to select mirror or normal image mode L level : Normal image mode 14 MIR ICU - Mirror mode selection input H level or open MIR FH1B FH2B 15 16 17 18 19 20 21 22 23 24 VDD V1 V2 V3 V4 TST4 GND VTG VDD12 OFD - O4MA2 O4MA2 O4MA2 O4MA2 ICD - O12MHV - O12MHV - - - - Power supply Vertical transfer pulse output 1 Vertical transfer pulse output 2 Vertical transfer pulse output 3 Vertical transfer pulse output 4 Test pin 4 Ground Readout pulse output Power supply OFD pulse output : Mirror image mode H or open (Mirror mode) FH2 FH1 L (Normal mode) FH1 FH2
Supply of +5 V power. A pulse to drive vertical CCD shift register. Connect to OV1 pin of CCD. A pulse to drive vertical CCD shift register. Connect to OV2 pin of CCD. A pulse to drive vertical CCD shift register. Connect to OV3 pin of CCD. A pulse to drive vertical CCD shift register. Connect to OV4 pin of CCD. A test pin. Set open or to L level in the normal mode. A grounding pin. A pulse that transfers the charge of the photo-diode to the vertical shift register. Connect to VTG pin of CCD. Supply of +12.5 V power. A pulse that sweeps the charge of the photo-diode for the electronic shutter. Connect to OFD pin of CCD. Held at L level at normal mode. An input pin for reference clock oscillation. Connect to OSCO (pin 26) with R. The frequencies are as follows :
25
OSCI
OSCI
-
Clock input
TVMD L H
Frequency 19.0699 MHz (1 212 fH) 19.3125 MHz (1 236 fH) fH = Horizontal frequency
4
LR38580
PIN NO. SYMBOL 26 27 28 OSCO TST5 TVMD I/O OSC3M ICD ICU POLARITY - - - PIN NAME Clock output Test pin 5 TV mode selection input DESCRIPTION An output pin for reference clock oscillation. The output is the inverse of OSCI (pin 25). A test pin. Set open or to L level in the normal mode. An input pin to select TV standards. L level H level or open : EIA mode : CCIR mode
29 30 31 32 33
ACLX VDD GND HD VD
ICU - - O O
- - -
All clear input Power supply Ground Horizontal drive pulse output Vertical drive pulse output Electronic exposure
An input pin for resetting all internal circuits at power on. Connect VDD through the diode and GND through the capacitor. Supply of +5 V power. A grounding pin. The pulse occurs at the start of every line. The pulse occurs at the start of every field. An input pin to control electronic exposure mode, flickerless mode and WIND (pin 3) pulse output, used with FLMD (pin 13). An input pin to control electronic exposure. EEUD EENR H L H L H H Shutter Speed up control stopped down
34
EEMD
ICU
-
and WIND pulse control input 2 Electronic exposure control input 2 Electronic exposure control input 3
35
EEUD
IC
-
36
EENR
IC
-
An input pin to control maximum and initial shutter speed with STSL (pin 40). 37 SMAX ICU - Shutter speed control input 1 SMAX STSL Maximum speed H H 1/ 32 000 L H 1/ 56 000 H L 38 39 FS FCDS O4MA2 O4MA2 CDS pulse output 1 CDS pulse output 2 L L 1/101 000 1/101 000 Initial Speed 1/ 1 000 1/ 1 000 1/ 1 000 1/101 000
A pulse to sample-hold the signal from CCD. A pulse to clamp the feed-through level from CCD. An input pin to control maximum and initial shutter speed with SMAX (pin 37).
40
STSL
ICU
-
Shutter speed control input 2
SMAX STSL Maximum Speed H H 1/ 32 000 L H 1/ 56 000 H L L L 1/101 000 1/101 000
Initial Speed 1/ 1 000 1/ 1 000 1/ 1 000 1/101 000
5
LR38580
PIN NO. SYMBOL 41 42 43 44 45 46 47 48
IC ICU ICD ICSU O
I/O O4MA3 O4MA2 O4MA3 - O4MA3 O4MA2 ICD -
POLARITY
PIN NAME Reset pulse output Horizontal transfer pulse output 2B Horizontal transfer pulse output 2
FR FH2B FH2 VDD FH1 FH1B TST6 GND
: : : :
DESCRIPTION A pulse to reset the charge of output circuit. Connect to OR pin of CCD through the DC offset circuit. A pulse to drive horizontal CCD shift register. Connect to OH2B pin of CCD. A pulse to drive horizontal CCD shift register. Connect to OH2 pin of CCD. Supply of +5 V power. A pulse to drive horizontal CCD shift register. Connect to OH1 pin of CCD. A pulse to drive horizontal CCD shift register. Connect to OH1B pin of CCD. A test pin. Set open or to L level in the normal mode. A grounding pin.
O4MA2 O4MA3 O12MHV ON OSCI OSC3M : : : : : : Output pin (VDD = 5 V) Output pin (VDD = 5 V) Output pin (VDD12 = 12.5 V) Output pin (N-ch open drain) Input pin for oscillation Output pin for oscillation
-
Power supply Horizontal transfer pulse output 1 Horizontal transfer pulse output 1B
- -
Test pin 6 Ground
Input pin (CMOS level) Input pin (CMOS level with pull-up resistor) Input pin (CMOS level with pull-down resistor) Input pin (CMOS schmitt-trigger level with pull-up resistor) : Output pin (VDD = 5 V)
6
LR38580
SUPPLEMENTARY EXPLANATION Shutter speed changes at electronic exposure control mode.
No. 0 1 * 19 * 30 * 37 * 44 * 50 * 62 * 69 70 71 EIA Charge Time 262H or 263H 252H + (by 10H step) 72H + (by 4H step) 28H + (by 2H step) 14H + (by 1H step) 7H + (by 0.5H step) 4H + (by 0.25H step) 1H + (by 0.125H step) 0.125H + 0.280H 0.155H = 0.360H 1/ 1/ 2 140 s 3 610 s Shutter Speed 1/ 1/ 1/ 1/ 1/ 60 s 62 s 220 s 555 s 1 100 s No. 0 1 * 24 * 35 * 42 * 49 * 55 * 67 * 74 75 76 CCIR Charge Time 312H or 313H 302H + (by 10H step) 72H + (by 4H step) 28H + (by 2H step) 14H + (by 1H step) 7H + (by 0.5H step) 4H + (by 0.25H step) 1H + (by 0.125H step) 0.125H + 0.275H 0.152H = 0.353H 1/ 1/ 2 125 s 3 590 s Shutter Speed 1/ 1/ 1/ 1/ 1/ 50 s 52 s 220 s 550 s 1 090 s
1/ 11 570 s 1/ 32 450 s 1/ 56 090 s 1/101 430 s
1/ 11 550 s 1/ 32 690 s 1/ 56 800 s 1/102 720 s
Select maximum shutter speed and initial shutter speed.
SMAX STSL MAXIMUM SHUTTER SPEED (s) Pin 37 Pin 40 Step EIA Step CCIR H L H L H H L L 69 70 71 71 1/ 32 450 1/ 56 090 1/101 430 1/101 430 74 75 76 76 1/ 32 690 1/ 56 800 1/102 720 1/102 720 Step 37 37 37 76 INITIAL SHUTTER SPEED (s) EIA Step CCIR 1/ 1/ 1/ 1 100 1 100 1 100 37 37 37 76 1/ 1/ 1/ 1 090 1 090 1 090
1/101 430
1/102 720
7
LR38580
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply voltage Input voltage Output voltage Operating temperature Storage temperature SYMBOL VDD VDD12 VI VO VO12 TOPR TSTG RATING -0.3 to +6.0 -0.3 to +15.0 -0.3 to VDD + 0.3 -0.3 to VDD + 0.3 -0.3 to VDD12 + 0.3 -20 to +70 -55 to +150 UNIT V V V V V C C
ELECTRICAL CHARACTERISTICS DC Characteristics
PARAMETER Input "Low" voltage Input "High" voltage Input "Low" voltage Input "High" voltage Hysteresis voltage Input "Low" current Input "High" current Input "Low" current Input "High" current Input "Low" current Input "High" current Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output leakage current SYMBOL VIL VIH VT+ VT- VT+ - VT- |IIL5-1| |IIH5-1| |IIL5-2| |IIH5-2| |IIL5-3| |IIH5-3| VOL5-1 VOH5-1 VOL5-2 VOH5-2 VOL5-3 VOH5-3 VOL5-4 VOH5-4 VOL12 VOH12 VOL5-5 |IOZ5-5| VI = 0 V VI = VDD VI = 0 V VI = VDD VI = 0 V VI = VDD IOL = 4 mA IOH = -2 mA IOL = 3 mA IOH = -3 mA IOL = 8 mA IOH = -6 mA IOL = 12 mA IOH = -9 mA IOL = 12 mA IOH = -12 mA IOL = 4 mA High-Z 4.0 0.5 12.0 0.4 1.0 8.0 4.0 0.4 4.0 0.4 4.0 0.4 8.0
(VDD = 5.00.5 V, VDD12 = 12.50.5 V, TOPR = -20 to +70 C)
CONDITIONS MIN. 3.5 3.7 1.0 0.2 2.0 2.0 60 2.0 2.0 60 0.4 TYP. MAX. 1.5 UNIT V V V V V A A A A A A V V V V V V V V V V V A NOTE 1
2
3 4 5 6 7 8 9 10 11
NOTES :
1. 2. 3. 4. 5. 6. Applied Applied Applied Applied Applied Applied to to to to to to inputs (IC, ICD, ICU, OSCI). input (ICSU). inputs (IC, OSCI). inputs (ICU, ICSU). input (ICD). output (O). 7. Applied to output (OSC3M). (Output (OSC3M) measures on condition that input (OSCI) level is 0 V or VDD). 8. Applied to output (O4MA2). 9. Applied to output (O4MA3). 10. Applied to output (O12MHV). 11. Applied to output (ON).
8
PACKAGES FOR CCD AND CMOS DEVICES
PACKAGE
48 QFP (QFP048-P-0707)
(Unit : mm)
0.5TYP. 36 M 37 0.08
0.20.08 (1.0) 25 24 7.00.2 9.00.3
0.150.05
1 (1.0)
7.00.2 9.00.3
12 (1.0)
(1.0)
48
13
0.650.2 1.450.2 0.10.1
9
Package base plane
8.00.2
0.1

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