參數(shù)資料
型號(hào)： LM9820CCWMX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 模擬信號(hào)調(diào)理
英文描述： LM9810/20 10/12-Bit Image Sensor Processor Analog Front End
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO20
封裝： PLASTIC, SOIC-20
文件頁數(shù)： 5/21頁
文件大?。?/td> 148K
代理商： LM9820CCWMX
5
http://www.national.com
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
Static Offset DAC Characteristics
Monotonicity
6
bits (min)
Offset DAC LSB size
PGA gain = 1
20
14
26
LSB (min)
LSB (max)
Offset DAC Adjustment Range
PGA gain = 1
±590
±575
LSB (min)
System Characteristics (see section 1.7.1, Internal Offsets)
C
Analog Channel Gain Constant
(ADC Codes/V)
Includes voltage reference
variation, gain setting = 1
2008
1873
2129
LSB (min)
LSB (max)
V
OS1
Pre-Boost Analog Channel Offset Error,
CCD Mode
17.6
-32.1
+68.9
LSB (min)
LSB (max)
V
OS1
Pre-Boost Analog Channel Offset Error,
CIS Mode
18
-22.2
+57
LSB (min)
LSB (max)
V
OS2
Pre-PGA Analog Channel Offset Error
-40
-94.3
+16.4
LSB (min)
LSB (max)
V
OS3
Post-PGA Analog Channel Offset Error
-44
-121
+28
LSB (min)
LSB (max)
DC and Logic Electrical Characteristics
The following specifications apply for
AGND
=
DGND
=0V,
VA
=
VD
=+5.0V
DC
,
f
MCLK
=24MHz, R
s
=25
.
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)
D0-D2, MCLK, NewLine, SampCLK Digital Input Characteristics
V
IN(1)
Logical “1” Input Voltage
VD
=5.25V
2.0
V (max)
V
IN(0)
Logical “0” Input Voltage
VD
=4.75V
0.8
V (min)
I
IN
Input Leakage Current
V
IN
=
VD
V
IN
=
DGND
0.1
-0.1
μA(max)
μA(max)
C
IN
Input Capacitance
5
pF
D0-D5 Digital Output Characteristics
V
OUT(1)
Logical “1” Output Voltage
VD
=4.75V, I
OUT
=-360μA
VD
=4.75V, I
OUT
=-10μA
2.4
4.4
V (min)
V (min)
V
OUT(0)
Logical “0” Output Voltage
VD
=5.25V, I
OUT
=1.6mA
0.4
V (max)
I
OUT
TRI-STATE
Output Current
(
D0
-
D5
only)
V
OUT
=
DGND
V
OUT
=
VD
0.1
-0.1
μA
μA
Power Supply Characteristics
I
A
Analog Supply Current
Operating
Standby with input clocks stopped
Standby with input clocks running
45
0.8
3.0
57
0.9
mA (max)
mA (max)
mA
I
D
Digital Supply Current (Note 15)
Operating
Standby with input clocks stopped
Standby with input clocks running
220
110
220
320
200
μA (max)
μA (max)
μA
LM9820 Electrical Characteristics
(Continued)
The following specifications apply for
AGND
=
DGND
=0V,
VA
=
VD
=+5.0V
,
f
MCLK
=24MHz, R
=25
.
Boldface limits apply for
T
A
=T
J
=T
MIN
to T
MAX
; all other limits T
A
=T
J
=25°C. All LSB limits are in units of the LM9820’s 12 bit ADC. (Notes 7, 8, & 12)
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