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參數(shù)資料
| 型號： | LZ9FD34 |
| 廠商： | Sharp Corporation |
| 英文描述： | Single-chip Driver IC for 270 k/320 k/ 410 k/470 k-pixel B/W CCDs |
| 中文描述： | 單芯片270 k/320畝驅(qū)動IC / 410 k/470的k -像素/黑白CCD的 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 56K |
| 代理商： | LZ9FD34 |
4
LZ9FD34
PIN NO.
SYMBOL
I/O
POLARITY
PIN NAME
DESCRIPTION
23
24
25
FCDS
FS
TST
6
O4MA2
O4MA2
ICD
CDS pulse output 1
CDS pulse output 2
Test pin 6
A pulse to clamp the feed-through level from CCD.
A pulse to sample-hold the signal from CCD.
A test pin. Set open or to L level in the normal mode.
An input pin to select sensor type.
H level or open
: 410 k, 470 k pixel CCD
L level
: 270 k, 320 k pixel CCD
A test pin. Set open or to L level in the normal mode.
–
26
CCD
ICU
–
CCD selection input
28
V
1X
O
Vertical transfer
pulse output 1
Vertical transfer
pulse output 2
Power supply
Ground
Vertical transfer
pulse output 3
Vertical transfer
pulse output 4
A vertical transfer pulse for CCD.
Connect to V
1AX
pin of vertical driver IC.
A vertical transfer pulse for CCD.
Connect to V
2AX
pin of vertical driver IC.
Supply of +5 V power.
A grounding pin.
A vertical transfer pulse for CCD.
Connect to V
3AX
pin of vertical driver IC.
A vertical transfer pulse for CCD.
Connect to V
4AX
pin of vertical driver IC.
A pulse that transfers the charge of the photo-diode to
the vertical shift register. Connect to VH
1AX
pin or VH
1BX
pin of vertical driver IC.
A pulse that transfers the charge of the photo-diode to
the vertical shift register. Connect to VH
3AX
pin or VH
3BX
pin of the vertical driver IC.
A pulse that sweeps the charge of the photo-diode for
the electronic shutter. Connect to OFD pin of CCD
through the vertical driver IC and DC offset circuit.
Held at H level at normal mode.
An input pin to select accumulation mode.
H level or open
: Field accumulation mode
L level
: Frame accumulation mode
An input pin to control electronic exposure using EEUD
(pin 21) and EENR (pin 22).
H level or open
: Electronic exposure is operated.
L level
: Electronic exposure is stopped.
29
V
2X
O
30
31
V
DD
GND
–
–
–
–
32
V
3X
O
33
V
4X
O
34
VH
1X
O
Readout pulse
output
35
VH
3X
O
Readout pulse
output
36
OFDX
O
OFD pulse output
37
ITCH
ICU
–
Accumulation mode
selection input
Electronic exposure
control input 3
–
ICU
EEST
38
Test pin 7
–
ICD
TST
7
27
21
EEUD
IC
–
Electronic exposure
control input 1
22
EENR
IC
–
Electronic exposure
control input 2
An input pin to control electronic exposure.
EEUD
EENR
H
L
H
H
L
H
Shutter Speed
up
control stopped
down
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