参数资料
型号: ADM1024
厂商: Analog Devices, Inc.
英文描述: System Hardware Monitor with Remote Diode Thermal Sensing
中文描述: 系统硬件监控与远程二极管温度传感器
文件页数: 2/28页
文件大小: 285K
代理商: ADM1024
–2–
REV. 0
ADM1024–SPECIFICATIONS
1, 2
(T
A
= T
MIN
to T
MAX
, V
CC
= V
MIN
to V
MAX
, unless otherwise noted)
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
POWER SUPPLY
Supply Voltage, V
CC
Supply Current, I
CC
2.8
3.30
1.4
1.0
45
5.5
2.6
V
mA
mA
μ
A
Interface Inactive, ADC Active
ADC Inactive, DAC Active
Shutdown Mode
145
TEMPERATURE-TO-DIGITAL CONVERTER
Internal Sensor Accuracy
±
3
±
2
°
C
°
C
°
C
°
C
°
C
°
C
μ
A
μ
A
0
°
C
T
A
100
°
C
T
A
= 25
°
C
Resolution
External Diode Sensor Accuracy
±
1
±
5
0
°
C
T
A
100
°
C
25
°
C
±
3
±
1
110
6.5
Resolution
Remote Sensor Source Current
80
4
150
9
High Level
Low Level
ANALOG-TO-DIGITAL CONVERTER
(INCLUDING MUX AND ATTENUATORS)
Total Unadjusted Error, TUE (12 V
IN
)
TUE (AIN, V
CCP
, 2.5 V
IN
, 5 V
IN
)
Differential Nonlinearity, DNL
Power Supply Sensitivity
Conversion Time (Analog Input or Int. Temp)
Conversion Time (External Temperature)
Input Resistance (2.5 V, 5 V, 12 V, V
CCP1
, V
CCP2
)
Input Resistance (AIN1, AIN2)
±
4
±
3
±
1
%
%
LSB
%/V
μ
s
ms
k
M
(See Note 3)
±
1
754.8
9.6
140
5
856.8
0
°
C
T
A
100
°
C
4
(See Note 4)
100
200
ANALOG OUTPUT
Output Voltage Range
Total Unadjusted Error, TUE
Full-Scale Error
Zero-Scale Error
Differential Nonlinearity, DNL
Integral Nonlinearity
Output Source Current
Output Sink Current
0
2.5
±
3
±
5
V
%
%
LSB
LSB
LSB
mA
mA
I
L
= 2 mA
±
1
2
No Load
Monotonic by Design
±
1
±
1
2
1
FAN RPM-TO-DIGITAL CONVERTER
Accuracy
Full-Scale Count
FAN1 and FAN2 Nominal Input RPM
5
±
12
255
%
0
°
C
T
A
100
°
C
8800
4400
2200
1100
22.5
rpm
rpm
rpm
rpm
kHz
Divisor = 1, Fan Count = 153
Divisor = 2, Fan Count = 153
Divisor = 3, Fan Count = 153
Divisor = 4, Fan Count = 153
0
°
C
T
A
100
°
C
Internal Clock Frequency
19.8
25.2
DIGITAL OUTPUTS NTEST_OUT
Output High Voltage, V
OH
Output Low Voltage, V
OL
OPEN-DRAIN DIGITAL OUTPUTS
(
INT,
THERM
,
RESET
)
Output Low Voltage, V
OL
High Level Output Current, I
OH
RESET
and CI Pulsewidth
2.4
V
V
I
OUT
= +3.0 mA, V
CC
= 2.85 V – 3.60 V
I
OUT
= –3.0 mA, V
CC
= 2.85 V – 3.60 V
(See Note 6)
0.4
0.4
100
V
μ
A
ms
I
OUT
= –3.0 mA, V
CC
= 3.60 V
V
OUT
= V
CC
0.1
45
20
OPEN-DRAIN SERIAL DATA BUS OUTPUT
(SDA)
Output Low Voltage, V
OL
High Level Output Current, I
OH
0.4
100
V
μ
A
I
OUT
= –3.0 mA, V
CC
= 2.85 V – 3.60 V
V
OUT
= V
CC
0.1
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