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參數(shù)資料
| 型號(hào)： | LM9822CCWM1 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LM9822 3 Channel 42-Bit Color Scanner Analog Front End |
| 中文描述： | LM9822 3通道42位彩色掃描儀模擬前端 |
| 文件頁數(shù)： | 3/22頁 |
| 文件大?。?/td> | 242K |
| 代理商： | LM9822CCWM1 |
3
www.national.com
Electrical Characteristics
The following specifications apply for AGND=DGND=0V, V
A
=+5.0V
DC
,
V
D
=+3.0 or +5.0V
DC
, f
MCLK
=12MHz.
Boldface limits apply
for T
A
=T
J
=T
MIN
to T
MAX
; all other limits T
A
=T
J
=25°C. (Notes 7, 8, 12 & 16)
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
CCD/CIS Source Requirements for Full Specified Accuracy and Dynamic Range (Note 12)
V
OS PEAK
Sensor’s Maximum Peak Differential
Signal Range
Gain = 0.933
Gain = 3.0
Gain = 9.0
2.1
0.65
0.21
V
V
V
Full Channel Linearity (In units of 12 bit LSBs) (Note 14)
DNL
Differential Non-Linearity
+0.9
-0.4
+2
-0.9
LSB(max)
INL
Integral Non-Linearity Error (Note 11)
±2.2
+5
-7
LSB(max)
Analog Input Characteristics
OS
R
,
OS
G
,
OS
B
Input Capacitance
5
pF
OS
R
,
OS
G
,
OS
B
Input Leakage Current
Measured with OS = 3.5V
DC
CDS disabled
20
25
μA (max)
CDS enabled
10
nA
Coarse Color Balance PGA Characteristics
Monotonicity
5
bits (min)
G
0
(Minimum PGA Gain)
PGA Setting = 0
0.93
.90
.96
V/V (min)
V/V (max)
G
31
(Maximum PGA Gain)
PGA Setting = 31
3.0
2.95
3.07
V/V (min)
V/V (max)
x3 Boost Gain
x3 Boost Setting On
(Bit 5 of Gain Register is set)
3.0
2.86
3.08
V/V (min)
V/V (max)
Gain Error at any gain (Note 13)
±0.3
1.6
% (max)
Static Offset DAC Characteristics (In units of 12 bit LSBs)
Monotonicity
6
bits (min)
Offset DAC LSB size
PGA gain = 1
18.9
13
24
LSB (min)
LSB (max)
Offset DAC Adjustment Range
PGA gain = 1
±585
±570
LSB (min)
Positive Supply Voltage (V
+
=V
A
=V
D
)
With Respect to
GND
=
AGND
=
DGND
Voltage On Any Input or Output Pin
Input Current at any pin (Note 3)
Package Input Current (Note 3)
Package Dissipation at T
= 25°C
ESD Susceptibility (Note 5)
Human Body Model
Machine Model
Soldering Information
Infrared, 10 seconds (Note 6)
Storage Temperature
6.5V
-0.3V to V
+
+0.3V
±25mA
±50mA
(Note 4)
7000V
450V
235°C
-65°C to +150°C
Operating Temperature Range
V
A
Supply Voltage
V
D
Supply Voltage
V
D
-V
A
OS
R
, OS
G
, OS
B
Input Voltage Range
SCLK, SDI, SEN, MCLK, VSMP, CLMP
Input Voltage Range
T
MIN
=0°C
≤
T
A
≤
T
MAX
=+70°C
+4.75V to +5.25V
+3.0V to +5.25V
≤
100mV
-0.05V to
A
+ 0.05V
-0.05V to V
D
+ 0.05V
Absolute Maximum Ratings
(Notes 1& 2)
Operating Ratings
(Notes 1& 2)
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