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參數(shù)資料
| 型號： | LM9823CCWMX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | LM9823 3 Channel 48-Bit Color Scanner Analog Front End |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封裝： | 0.300 INCH, PLASTIC, SOIC-28 |
| 文件頁數(shù)： | 4/22頁 |
| 文件大小： | 244K |
| 代理商： | LM9823CCWMX |
4
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Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
Internal Reference Characteristics
V
REFMID
Mid Reference Output Voltage
2.5
V
V
REF+ OUT
Positive Reference Output Voltage
3.5
V
V
REF- OUT
Negative Reference Output Voltage
1.5
V
V
REF
Differential Reference Voltage
V
REF+ OUT
- V
REF- OUT
2.0
V
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)
System Characteristics (in units of 12 bit LSBs) (see section 5.1, Internal Offsets)
C
Analog Channel Gain Constant
(ADC Codes/V)
Includes voltage reference
variation, gain setting = 1
2107
1934
2281
LSB (min)
LSB (max)
V
OS1
Pre-Boost Analog Channel Offset Error,
CCD Mode
17.3
-61
+94
LSB (min)
LSB (max)
V
OS1
Pre-Boost Analog Channel Offset Error,
CIS Mode
27
-49
+103
LSB (min)
LSB (max)
V
OS2
Pre-PGA Analog Channel Offset Error
-40
-124
+44
LSB (min)
LSB (max)
V
OS3
Post-PGA Analog Channel Offset Error
-38
-130
+55
LSB (min)
LSB (max)
DC and Logic 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)
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
SCLK, SDI, SEN, MCLK, VSMP, CLMP Digital Input Characteristics
V
IN(1)
Logical “1” Input Voltage
V
A
=5.25V
2.0
V (max)
V
IN(0)
Logical “0” Input Voltage
V
A
=4.75V
0.8
V (min)
I
IN
Input Leakage Current
V
IN
=V
V
IN
=DGND
0.1
-0.1
μA (max)
μA (max)
C
IN
Input Capacitance
5
pF
D0-D7 Digital Output Characteristics
V
OUT(1)
Logical “1” Output Voltage
I
OUT
=-360μA
0.8*V
D
V (min)
V
OUT(0)
Logical “0” Output Voltage
I
OUT
=1.6mA
0.2*V
D
V (max)
Electrical Characteristics
(Continued)
The following specifications apply for AGND=DGND=0V, V
=+5.0V
,
V
=+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)
L
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