参数资料
型号: ADM1026
厂商: Analog Devices, Inc.
英文描述: Complete Thermal and System Management Controller
中文描述: 完整的热和系统管理控制器
文件页数: 3/56页
文件大小: 634K
代理商: ADM1026
ADM1026
SPECIFICATIONS
1,
2,
3
Rev. A | Page 3 of 56
Table 1. T
A
= T
MIN
to T
MAX
, V
CC
= V
MIN
to V
MAX
, unless otherwise noted.
Parameter
POWER SUPPLY
Supply Voltage, 3.3 V STBY, 3.3 V MAIN
Supply Current, I
CC
TEMPERATURE-TO-DIGITAL CONVERTER
Internal Sensor Accuracy
Resolution
External Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
ANALOG-TO-DIGITAL CONVERTER (including MUX and attenuators)
Total Unadjusted Error (TUE)
4
Differential Nonlinearity (DNL)
Power Supply Sensitivity
Conversion Time (Analog Input or Internal Temperature)
5
Conversion Time (External Temperature)
5
Input Resistance (+5 V
IN
, V
CCP
, A
IN0
A
IN5
)
Input Resistance of +12 V
IN
pin
Input Resistance of 12 V
IN
pin
Input Resistance (A
IN6
A
IN9
)
Input Resistance of V
BAT
pin
4
V
BAT
Current Drain (when measured)
V
BAT
Current Drain (when not measured)
ANALOG OUTPUT (DAC)
Output Voltage Range
Total Unadjusted Error (TUE)
Zero Error
Differential Nonlinearity (DNL)
Integral Nonlinearity
Output Source Current
Output Sink Current
REFERENCE OUTPUT
Output Voltage
Output Voltage
Load Regulation (I
SINK
= 2 mA)
Load Regulation (I
SOURCE
= 2 mA)
Short Circuit Current
Output Current Source
Output Current Sink
FAN RPM-TO-DIGITAL CONVERTER
6
Accuracy
Full-Scale Count
FAN0 to FAN7 Nominal Input RPM
5
Internal Clock Frequency
OPEN DRAIN O/Ps, PWM, GPIO0 to 16
Output High Voltage, V
OH
Min
3.0
80
70
8
5
80
1.8
2.47
20
2.4
Typ
3.3
2.5
±1
±1
90
5.5
±0.1
11.38
34.13
100
100
10
100
80
6
0–2.5
1
±0.5
2
1
1.82
2.50
0.15
0.15
25
2
2
8800
4400
2200
1100
22.5
Max
5.5
4.0
±3
±3
±2
±1
12.06
36.18
120
115
12
120
100
±5
±1
1.84
2.53
±12
255
25
Test Conditions/Comments
Interface inactive, ADC active
0°C < T
D
< 100°C
High level
Low level
CR2032 battery life >10 years
I
L
= 2 mA
No load
Monotonic by design
Bit 2 of Register 07h = 0
Bit 2 of Register 07h = 1
V
CC
= 3.3 V
Divisor = 1, fan count = 153
Divisor = 2, fan count = 153
Divisor = 4, fan count = 153
Divisor = 8, fan count = 153
I
OUT
= 3.0 mA, V
CC
= 3.3 V
Unit
V
mA
°C
°C
°C
°C
μA
μA
%
LSB
%/V
ms
ms
k
k
k
M
k
nA
nA
V
%
LSB
LSB
LSB
mA
mA
V
V
%
%
mA
mA
mA
%
RPM
RPM
RPM
RPM
kHz
V
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