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PDF LZ9FD34 Data sheet ( Hoja de datos )
| Número de pieza | LZ9FD34 | |
| Descripción | Single-chip Driver IC for 270 k/320 k/ 410 k/470 k-pixel B/W CCDs | |
| Fabricantes | Sharp Electrionic Components | |
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LZ9FD34
LZ9FD34
DESCRIPTION
The LZ9FD34 is a CMOS single-chip driver IC which
generates timing pulses for driving 270 k/320 k/
410 k/470 k-pixel B/W CCD area sensors, syn-
chronous pulses for TV signals and processing for
video signals.
FEATURES
• Designed for B/W CCD area sensors with 270 k/
320 k/410 k/470 k-pixel
• Switchable between EIA and CCIR modes
• Electronic shutter and EE control are possible
• Maximum shutter speed is 1/100 000 s
• Flicker-less function
• Non-interlace mode is possible
• External synchronization is possible
• Single +5 V power supply
• Field accumulation mode and frame accumu-
lation mode are possible
• Package :
48-pin QFP (QFP048-P-0707) 0.5 mm pin-pitch
Single-chip Driver IC for 270 k/320 k/
410 k/470 k-pixel B/W CCDs
PIN CONNECTIONS
48-PIN QFP
TOP VIEW
48 47 46 45 44 43 42 41 40 39 38 37
TST1 1
TST2 2
VRI 3
TVMD 4
CSYN 5
VDD 6
GND 7
CBLK 8
HD 9
VD 10
HBLK 11
TST3 12
36 OFDX
35 VH3X
34 VH1X
33 V4X
32 V3X
31 GND
30 VDD
29 V2X
28 V1X
27 TST7
26 CCD
25 TST6
13 14 15 16 17 18 19 20 21 22 23 24
(QFP048-P-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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1 page  
LZ9FD34
PIN NO. SYMBOL I/O POLARITY
PIN NAME
DESCRIPTION
An output pin for window pulse.
EEMD FLMD
WIND
LL
L H WIND1 (vertical pulse)
ON H L
H H WIND2 (composite pulse)
39 WIND
( )N-ch
Open
Drain
Window pulse output WIND1 : When connected to EEST (pin 38), 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
38). As the output circuit of WIND is N-ch open
drain, connect to VDD with R (≥ 47 k$).
40 FR
O4MA3
A pulse to reset the charge of output circuit.
Reset pulse output
Connect to ØR pin of CCD through the DC offset circuit.
41 VDD
– – Power supply
Supply of +5 V power.
42 FH2
O4MA3
Horizontal transfer
pulse output 2
A pulse to drive horizontal CCD shift register.
Connect to ØH2 pin of CCD.
43 GND
– – Ground
A grounding pin.
44 FH1
O4MA3
Horizontal transfer
pulse output 1
A pulse to drive horizontal CCD shift register.
Connect to ØH1 pin of CCD.
45 VDD
– – Power supply
Supply of +5 V power.
An input pin for reference clock oscillation.
Connect to OSCO (pin 47) with R.
The frequencies are as follows :
TVMD CCD
Frequency
46 OSCI
OSCI – Clock input
LL
19.0699 MHz (1 212 fH)
LH
28.6364 MHz (1 820 fH)
HL
19.3125 MHz (1 236 fH)
HH
28.3750 MHz (1 816 fH)
fH = Horizontal frequency
47 OSCO OSC3M – Clock output
An output pin for reference clock oscillation.
The output is the inverse of OSCI (pin 46).
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LZ9FD34.PDF ] | |
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