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LR38585 Schematic ( PDF Datasheet ) - Sharp Electrionic

Teilenummer LR38585
Beschreibung Single-chip Driver IC
Hersteller Sharp Electrionic
Logo Sharp Electrionic Logo 




Gesamt 9 Seiten
LR38585 Datasheet, Funktion
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LR38585
LR38585
Single-chip Driver IC for 270 k/320 k-pixel
B/W CCDs with Dual-power-supply Operation
DESCRIPTION
The LR38585 is a CMOS single-chip driver IC which
generates timing pulses for driving 270 k/320 k-
pixel B/W CCD area sensors with a dual-power-
supply operation, synchronous pulses for TV
signals and processing pulses for video signals.
FEATURES
• Designed for 1/3-type 270 k/320 k-pixel B/W CCD
area sensors with a dual-power-supply operation
• Switchable between EIA and CCIR modes
www.DataSheEelet4cUtr.ocnoimc shutter and EE control are possible
• Maximum shutter speed is selectable from
approx. 1/100 000 s, 1/50 000 s and 1/30 000 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 V power supplies
• Package :
48-pin QFP (P-QFP048-0707) 0.5 mm pin-pitch
PIN CONNECTIONS
48-PIN QFP
TOP VIEW
48 47 46 45 44 43 42 41 40 39 38 37
TST1 1
EEST 2
WIND 3
TVMD 4
SMAX 5
TST2 6
GND 7
VDD 8
CSYN 9
CBLK 10
OBCP 11
VD 12
36 EENR
35 EEUD
34 EEMD
33 FLMD
32 RCIO
31 GND
30 VDD
29 ACLX
28 POUT
27 TST4
26 OSCO
25 OSCI
13 14 15 16 17 18 19 20 21 22 23 24
(P-QFP048-0707)
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.
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LR38585 Datasheet, Funktion
LR38585
PIN NO. SYMBOL IO SYMBOL POLARITY
PIN NAME
40 MIR
Mirror mode
ICU –
selection input
DESCRIPTION
An input pin to select mirror image mode or normal
image mode.
L level
: Normal image mode
H level or open : Mirror image mode
MIR L (Normal mode) H or open (Mirror mode)
FH1B
∏ FH1
∏ FH2
FH2B
∏ FH2
∏ FH1
41 FR
42 FH2B
43 FH2
www.DataSheet4U.com
44 VDD
45 FH1
46 FH1B
47 STSL
O4MA3
A pulse to reset the charge of output circuit.
Reset pulse output
Connect to ØR pin of the CCD through the DC offset circuit.
O4MA2
Horizontal transfer A pulse to drive horizontal CCD shift register.
pulse output 2B
Connect to ØH2B pin of the CCD.
O4MA3
Horizontal transfer A pulse to drive horizontal CCD shift register.
pulse output 2
Connect to ØH2 pin of the CCD.
– – Power supply
Supply of +5 V power.
O4MA3
Horizontal transfer A pulse to drive horizontal CCD shift register.
pulse output 1
Connect to ØH1 pin of the CCD.
O4MA2
Horizontal transfer A pulse to drive horizontal CCD shift register.
pulse output 1B
Connect to ØH1B pin of the CCD.
An input pin to control maximum and initial shutter
speed with SMAX (pin 37).
Shutter speed
ICU –
control input 2
SMAX STSL Maximum Speed Initial Speed
H H ∏ 1/ 30 000 s ∏ 1/ 1 000 s
L H ∏ 1/ 49 000 s ∏ 1/ 1 000 s
H L ∏ 1/100 000 s ∏ 1/ 1 000 s
L L ∏ 1/100 000 s ∏ 1/100 000 s
48 GND
– – Ground
A grounding pin.
NOTE : How to use ACLX pin (pin 29).
And how to use RCIO pin (pin 32), when the LLIN pin (Line-locked) is not used.
VDD (5 V)
VDD (5 V)
100 k$
RCIO
pin 32
ACLX
pin 29
0.1 µF
IC
ICU
ICD
ICSU
IO0
O
: 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)
: Input and output pin (CMOS level input and
output)
: Output pin (VDD = 5 V)
O4MA2 : Output pin (VDD = 5 V)
O4MA3 : Output pin (VDD = 5 V)
O12MHV : Output pin (VDD12 = 12.5 V)
ON : Output pin (N-ch open drain)
TO6M : Tristate output pin
OSCI : Input pin for oscillation
OSC3M : Output pin for oscillation
6

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