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参数资料
| 型号： | LM9823CCWM/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封装： | 0.300 INCH, PLASTIC, SOIC-28 |
| 文件页数： | 17/22页 |
| 文件大小： | 238K |
| 代理商： | LM9823CCWM/NOPB |
4
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Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
Internal Reference Characteristics
VREFMID
Mid Reference Output Voltage
2.5
V
VREF+ OUT
Positive Reference Output Voltage
3.5
V
VREF- OUT
Negative Reference Output Voltage
1.5
V
REF
Differential Reference Voltage
VREF+ OUT - VREF- 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)
VOS1
Pre-Boost Analog Channel Offset Error,
CCD Mode
17.3
-61
+94
LSB (min)
LSB (max)
VOS1
Pre-Boost Analog Channel Offset Error,
CIS Mode
27
-49
+103
LSB (min)
LSB (max)
VOS2
Pre-PGA Analog Channel Offset Error
-40
-124
+44
LSB (min)
LSB (max)
VOS3
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, VA=+5.0VDC, VD=+3.0 or +5.0VDC, fMCLK=12MHz. Boldface limits apply
for TA=TJ=TMIN to TMAX; all other limits TA=TJ=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
VIN(1)
Logical “1” Input Voltage
VA=5.25V
2.0
V (max)
VIN(0)
Logical “0” Input Voltage
VA=4.75V
0.8
V (min)
IIN
Input Leakage Current
VIN=VA
VIN=DGND
0.1
-0.1
A (max)
CIN
Input Capacitance
5
pF
D0-D7 Digital Output Characteristics
VOUT(1)
Logical “1” Output Voltage
IOUT=-360A
0.8*VD
V (min)
VOUT(0)
Logical “0” Output Voltage
IOUT=1.6mA
0.2*VD
V (max)
Electrical Characteristics (Continued)
The following specifications apply for AGND=DGND=0V, VA=+5.0VDC, VD=+3.0 or +5.0VDC, fMCLK=12MHz. Boldface limits apply
for TA=TJ=TMIN to TMAX; all other limits TA=TJ=25°C. (Notes 7, 8, 12 & 16)
LM
9823
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