參數(shù)資料
型號(hào)： LM9811
廠商： National Semiconductor Corporation
英文描述： 10-Bit Greyscale/30-Bit Color Linear CCD Sensor Processor
中文描述： 10位Greyscale/30-Bit彩色線陣CCD傳感器處理器
文件頁(yè)數(shù)： 4/36頁(yè)
文件大?。?/td> 605K
代理商： LM9811
Electrical Characteristics
(Continued)
The following specifications apply for AGND = DGND = DGND(I/O) = 0V, V
= V
= +5.0V
, V
= +5.0 or +3.0V
,
REF IN = +1.225V
DC
, f
MCLK
= 20MHz, R
= 25
. All LSB units are ADC LSBs unless otherwise specified.
Boldface limits
apply for T
A
= T
J
MIN
to T
MAX
; all other limits T
A
= T
J
= 25C. (Note 8)
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
REFERENCE AND ANALOG INPUT CHARACTERSTICS
(Note 7)
OS Input Leakage Current
ADC Reference Ladder (REF OUT
HI
to REF IN) Impedance
Measured with OS = 2.45V
DC
2
20
500
2000
1.19
1.26
nA (max)
(min)
(max)
V (min)
V (max)
R
REF
950
REF IN
Reference Voltage (Note 13)
1.225
DC and Logic Electrical Characteristics
The following specifications apply for AGND = DGND = DGND
= 0V, V
A
= V
D
= +5.0V
DC
, V
D(I/O)
= +5.0 or +3.0V
DC
, REF
IN = +1.225V
DC
, f
MCLK
= 20MHz, R
s
= 25
.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
A
= T
J
=
25C.
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)
= 5.25V
V
D(I/O)
= 3.6V
V
D(I/O)
= 4.75V
V
D(I/O)
= 2.7V
V
IN
= V
D
V
IN
= DGND
2.0
2.0
0.8
0.7
V (min)
V (min)
V (max)
V (max)
μA
μA
pF
V
IN(0)
Logical “0” Input Voltage
I
IN
Input Leakage Current
0.1
0.1
5
C
IN
DD0–DD9, EOC , CCLK, SDO DIGITAL OUTPUT CHARACTERISTICS
Input Capacitance
V
OUT(1)
Logical “1” Output Voltage
V
D(I/O)
= 4.75V, I
OUT
= 360 μA
V
D(I/O)
= 4.75V, I
OUT
= 10 μA
V
D(I/O)
= 2.7V, I
OUT
= 360 μA
V
D(I/O)
= 2.7V, I
OUT
= 10 μA
V
D(I/O)
= 5.25V, I
OUT
= 1.6 mA
V
D(I/O)
= 3.6V, I
OUT
= 1.6 mA
V
OUT
= DGND
V
OUT
= V
D
2.4
4.4
2.1
2.5
0.4
0.4
V (min)
V (min)
V (min)
V (min)
V (max)
V (max)
μA
μA
pF
V
OUT(0)
Logical “0” Output Voltage
I
OUT
TRI-STATE
Output Current
(DD0–DD9 only)
TRI-STATE Output Capacitance
φ
1,
φ
2, RS, TR DIGITAL OUTPUT CHARACTERISTICS
0.1
0.1
5
C
OUT
V
OUT(1)
Logical “1” Output Voltage
V
D
= 4.75V, I
OUT
= 360 μA
V
D
= 4.75V, I
OUT
= 10 μA
V
D
= 5.25V, I
OUT
= 1.6 mA
2.4
4.4
0.4
V (min)
V (min)
V (max)
V
OUT(0)
POWER SUPPLY CHARACTERISTICS
Logical “0” Output Voltage
I
A
Analog Supply Current
Operating
Standby
Operating
Standby
Operating, V
D(I/O)
= 5.0V
Operating, V
D(I/O)
= 3.0V
Standby, V
D(I/O)
= 5.0V or 3.0V
25
50
6
65
3.1
1.6
1.7
38
mA (max)
μA
mA (max)
μA
mA (max)
mA (max)
mA
I
D
Digital Supply Current
8
I
D(I/O)
Digital I/O Supply Current
6
4
www.national.com
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