參數(shù)資料
型號： LM9801
廠商： National Semiconductor Corporation
英文描述： Greyscale/24-Bit Color Linear CCD Sensor Processor
中文描述： Greyscale/24-Bit彩色線陣CCD傳感器處理器
文件頁數(shù)： 4/34頁
文件大?。?/td> 520K
代理商： LM9801
Electrical Characteristics
(Continued)
The following specifications apply for AGND
e
DGND
e
DGND(I/O)
e
0V, V
A
e
V
D
e a
5.0V
DC
, V
D(I/O)
e a
5.0 or
a
3.0V
DC
, REF IN
e a
1.225V
DC
, f
MCLK
e
20 MHz, R
S
e
25
X
. All LSB units are ADC LSBs unless otherwise specified.
Boldface limits apply for T
A
e
T
J
e
T
MIN
to T
MAX
; all other limits T
A
e
T
J
e
25
§
C. (Notes 7, 8 and 11)
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
SYSTEM CHARACTERISTICS
Full Channel Gain Error
VGA Gain
e
1, PGA Gain
e
1
g
0.6
g
3.0
% (max)
V
OS1
Pre-PGA Offset Error
VGA Gain
e
1, Offset DAC
e
0
g
1
LSB
V
OS2
Post-PGA Offset Error
Offset Add
e
0
g
1
LSB
REFERENCE AND ANALOG INPUT CHARACTERSTICS
OS Input Capacitance
5
pF
OS Input Leakage Current
Measured with OS
e
2.45V
DC
2
20
nA (max)
R
REF
ADC Reference Ladder (REF OUT
HI
to
REF IN) Impedance
950
500
1400
X
(min)
X
(max)
REF IN
Reference Voltage (Note 13)
1.225
1.19
1.26
V (min)
V (max)
DC and Logic Electrical Characteristics
The following specifications apply for AGND
e
DGND
e
DGND
(I/O)
e
0V, V
A
e
V
D
e a
5.0V
DC
, V
D(I/O)
e a
5.0 or
a
3.0V
DC
, REF IN
e a
1.225V
DC
, f
MCLK
e
20 MHz, R
s
e
25
X
.
Boldface limits apply for T
A
e
T
J
e
T
MIN
to T
MAX
; all
other limits T
A
e
T
J
e
25
§
C. (Notes 7 and 8)
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
CD0–CD7, MCLK, SYNC, SDI, SCLK, CS, RD DIGITAL INPUT CHARACTERISTICS
V
IN(1)
Logical ‘‘1’’ Input Voltage
V
D(I/O)
e
5.25V
V
D(I/O)
e
3.6V
2.0
2.0
V (min)
V (min)
V
IN(0)
Logical ‘‘0’’ Input Voltage
V
D(I/O)
e
4.75V
V
D(I/O)
e
2.7V
0.8
0.7
V (max)
V (max)
I
IN
Input Leakage Current
V
IN
e
V
D
V
IN
e
DGND
0.1
b
0.1
m
A
m
A
C
IN
Input Capacitance
5
pF
DD0–DD7, EOC, CCLK, SDO DIGITAL OUTPUT CHARACTERISTICS
V
OUT(1)
Logical ‘‘1’’ Output Voltage
V
D(I/O)
e
4.75V, I
OUT
e b
360
m
A
V
D(I/O)
e
4.75V, I
OUT
e b
10
m
A
V
D(I/O)
e
2.7V, I
OUT
e b
360
m
A
V
D(I/O)
e
2.7V, I
OUT
e b
10
m
A
2.4
4.4
2.1
2.5
V (min)
V (min)
V (min)
V (min)
V
OUT(0)
Logical ‘‘0’’ Output Voltage
V
D(I/O)
e
5.25V, I
OUT
e
1.6 mA
V
D(I/O)
e
3.6V, I
OUT
e
1.6 mA
0.4
0.4
V (max)
V (max)
I
OUT
TRI-STATE
é
Output Current
(DD0–DD7 only)
V
OUT
e
DGND
V
OUT
e
V
D
0.1
b
0.1
m
A
m
A
C
OUT
TRI-STATE Output Capacitance
5
pF
w
1,
w
2, RS, TR DIGITAL OUTPUT CHARACTERISTICS
V
OUT(1)
Logical ‘‘1’’ Output Voltage
V
D
e
4.75V, I
OUT
e b
360
m
A
V
D
e
4.75V, I
OUT
e b
10
m
A
2.4
4.4
V (min)
V (min)
V
OUT(0)
Logical ‘‘0’’ Output Voltage
V
D
e
5.25V, I
OUT
e
1.6 mA
0.4
V (max)
http://www.national.com
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