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參數(shù)資料
| 型號(hào)： | LM40CIMT/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| 封裝： | MO-153AB, TSSOP-14 |
| 文件頁(yè)數(shù)： | 23/27頁(yè) |
| 文件大小： | 369K |
| 代理商： | LM40CIMT/NOPB |
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TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS
Parameter
Conditions
Typical
Limits
Units
(Limits)
Diode Source Current
(V
D+ VD) = +0.65 V; High Current
188
280
A (max)
Low Current
11.75
A
Diode Source Current High Current to Low Current
Ratio
16
ANALOG TO DIGITAL CONVERTER CHARACTERISTICS
Symbol
Parameter
Conditions
Typical
Limits
Units
(Limit)
TUE
Total Unadjusted Error(Note 11)
±2
%FS
(max)
Resolution
9
Bits
DNL
Differential Non-linearity
1
LSB
Power Supply Sensitivity
±1
%/V
Input Resistance, all analog inputs (total resistance
of divider chain)
210
140
k
(min)
400
k
(max)
SWD and ADD DIGITAL INPUT CHARACTERISTICS
Symbol
Parameter
Conditions
Typical
Limits
Units
(Limit)
V
IH
SWD Logical High Input Voltage
2.1
V (min)
V+ + 0.5
V (max)
V
IL
SWD Logical Low Input Voltage
0.8
V (max)
-0.5
V (min)
V
IH
ADD Logical High Input Voltage
90%xV+
V (min)
V
IL
ADD Logical Low Input Voltage
10%xV+
V (max)
V
HYST
Input Hysteresis
300
mV
I
L
SWD and ADD Input Current
GND
≤ V
IN
≤ V+
±0.005
±10
A (max)
SWD Input Current with V+ Open or
Grounded
GND
≤ V
IN
≤ 3.6V,
and V+ Open or
GND
±0.005
A
C
IN
Digital Input Capacitance
10
pF
SWD DIGITAL OUTPUT CHARACTERISTICS
Symbol
Parameter
Conditions
Typical
Limits
Units
(Limit)
V
OL
Open-drain Output Logic “Low”
Voltage
I
OL = 4mA
0.4
V (max)
I
OL = 50A
0.2
V (max)
I
OH
Open-drain Output Off Current
±0.005
±10
A (max)
C
OUT
Digital Output Capacitance
10
pF
AC Electrical Characteristics
The following specification apply for V+ = +3.0 V
DC to +3.6 VDC, unless otherwise specified. Boldface limits apply for
T
A =TJ =TMIN=0C to TMAX=85C; all other limits TA =TJ = 25C. The SensorPath Characteristics conform to the SensorPath
specification revision 0.98. Please refer to that speciation for further details.
Symbol
Parameter
Conditions
Typical
Limits
Units
(Limits)
HARDWARE MONITOR CHARACTERISTICS
t
CONV
Total Monitoring Cycle Time (Note 13)
All Voltage and
Temperature readings
(Default)
182
163.8
ms (min)
200.2
ms (max)
SensorPath Bus CHARACTERISTICS
t
f
SWD fall time (Note 16)
R
pull-up=1.25 k
±30%,
C
L=400 pF
300
ns (max)
LM40
www.national.com
5
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