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參數(shù)資料
| 型號： | ADM9240ARU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Low Cost Microprocessor System Hardware Monitor |
| 中文描述： | 9-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24 |
| 封裝： | TSSOP-24 |
| 文件頁數(shù)： | 2/22頁 |
| 文件大?。?/td> | 280K |
| 代理商： | ADM9240ARU |
–2–
REV. 0
ADM9240–SPECIFICATIONS
1, 2
Parameter
Min
T yp
Max
Units
T est Conditions/Comments
POWER SUPPLY
Supply Voltage, V
CC
Supply Current, I
CC
2.85
5
1.4
1.0
25
5.75
2.0
V
mA
mA
μ
A
Interface Inactive, ADC Active
ADC Inactive, DAC Active
Shutdown Mode
100
T EMPERAT URE-T O-DIGIT AL CONVERT ER
Accuracy
±
3
±
2
°
C
°
C
°
C
–40
°
C
≤
T
A
≤
+125
°
C
T
A
= +25
°
C
Resolution
±
0.5
ANALOG-T O-DIGIT AL CONVERT ER
(INCLUDING MUX AND AT T ENUAT ORS)
T otal Unadjusted Error, T UE
Differential Nonlinearity, DNL
Power Supply Sensitivity
T otal Monitoring Cycle T ime
±
2
±
1
%
LSB
%/V
μ
s
μ
s
k
Note 3
±
1
311
311
140
331
353
200
+25
°
C
≤
T
A
≤
+125
°
C (Note 4)
–40
°
C
≤
T
A
≤
+125
°
C (Note 4)
Input Resistance
100
ANALOG OUT PUT
Output Voltage Range
T otal Unadjusted Error, T UE
Full-Scale Error
Zero Error
Differential Nonlinearity, DNL
Integral Nonlinearity
Output Source Current
Output Sink Current
0
1.25
±
3
±
3
V
%
%
LSB
LSB
LSB
mA
mA
I
L
= 2 mA
±
1
2
No Load
±
1
±
1
2
1
Monotonic by Design
FAN RPM-T O-DIGIT AL CONVERT ER
Accuracy
±
6
±
12
255
%
%
+25
°
C
≤
T
A
≤
+125
°
C
–40
o
C
≤
T
A
≤
+125
°
C
Full-Scale Count
FAN1 and FAN2 Nominal Input RPM
8800
rpm
Divisor = 1, Fan Count = 153
(Note 5)
Divisor = 2, Fan Count = 153
(Note 5)
Divisor = 3, Fan Count = 153
(Note 5)
Divisor = 4, Fan Count = 153
(Note 5)
+25
°
C
≤
T
A
≤
+125
°
C
–40
o
C
≤
T
A
≤
+125
°
C
4400
rpm
2200
rpm
1100
rpm
Internal Clock Frequency
21.1
19.8
22.5
22.5
23.9
25.2
kHz
kHz
DIGIT AL OUT PUT NT EST _OUT
Output High Voltage, V
OH
2.4
V
I
OUT
= 5.0 mA,
V
CC
= 4.25 V–5.75 V
I
OUT
= 3.0 mA,
V
CC
= 2.85 V–3.45 V
I
OUT
= –5.0 mA,
V
CC
= 4.25 V–5.75 V
I
OUT
= –3.0 mA,
V
CC
= 2.85 V–3.45 V
2.4
V
Output Low Voltage, V
OL
0.4
V
0.4
V
OPEN-DRAIN DIGIT AL OUT PUT S
(
INT
,
RESET
, CI)
Output Low Voltage, V
OL
0.4
0.4
100
V
V
μ
A
ms
I
OUT
= –5.0 mA, V
CC
= 5.75 V
I
OUT
= –3.0 mA, V
CC
= 3.45 V
V
OUT
= V
CC
High Level Output Current, I
OH
RESET
and CI Pulsewidth
0.1
45
20
(T
A
= T
MN
to T
MAX
, V
CC
= V
MN
to V
MAX
, unless otherwse noted)
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