參數(shù)資料
型號: ADM1022ARQ
廠商: ANALOG DEVICES INC
元件分類: 電源管理
英文描述: Low-Cost PC Temperature Monitor and Fan Control ASIC
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝: MO-137AB, QSOP-16
文件頁數(shù): 2/19頁
文件大?。?/td> 190K
代理商: ADM1022ARQ
REV. 0
–2–
ADM1022–SPECIFICATIONS
Parameter
Min
Typ
1
Max
Unit
Test Conditions
POWER SUPPLY
Supply Voltage, V
CC
Supply Current, I
CC
TEMPERATURE-TO-DIGITAL CONVERTER
Internal Sensor Accuracy
3.0
3.30
1.4
5.5
2.6
V
mA
Interface Inactive, ADC Active
±
3
±
2
°
C
°
C
°
C
°
C
°
C
°
C
μ
A
μ
A
ms
±
1
1
T
A
= 85
°
C, Tested at Wafer Sort
Resolution
External Diode Sensor Accuracy
±
5
±
3
T
A
= 85
°
C, Tested at Wafer Sort
Resolution
Remote Sensor Source Current
1
90
5.5
60
3.5
130
7.5
200
High Level (D+ = D– +0.65 V)
Low Level (D+ = D– +0.65 V)
Total Monitoring Cycle Time, t
C
ANALOG OUTPUT
Output Voltage Range
Total Unadjusted Error, TUE
Full-Scale Error
Zero Error
Differential Nonlinearity, DNL
Integral Nonlinearity
Output Source Current
Output Sink Current
0
2.5
±
5
±
3
V
%
%
LSB
LSB
LSB
mA
mA
I
L
= 2 mA
±
1
±
2
No Load
Monotonic by Design
±
1
±
1
2
1
VOLTAGE MONITOR THRESHOLDS
Reset Threshold, V
MON
, V
CC
Hysteresis
2.85
2.925
50
3.00
V
mV
Measured with V
CC
Falling
MR
INPUT
MR
Minimum Pulsewidth, t
MR
MR
Glitch Immunity
MR
to
RST2
Propagation Delay, t
MD
MR
Pull-Up Resistance
10
μ
s
ns
μ
s
k
100
0.5
20
10
30
RESET OUTPUTS,
RST1
,
RST2
Reset Output Voltage, V
OL
0.3
V
I
SINK
= 1.2 mA
V
CC
= V
TH
(MAX)
Reset Active Timeout Period, t
RP
V
CC
to Reset Delay, t
D
DIGITAL OUTPUT ADD/NTEST_OUT
2
Output High Voltage, V
OH
Output Low Voltage, V
OL
OPEN-DRAIN DIGITAL OUTPUTS
(
INT
,
THERM
,
RST2
,
RST1
)
Output Low Voltage, V
OL
High Level Output Leakage Current, I
OH
OPEN-DRAIN SERIAL DATA
BUS OUTPUT (SDA)
Output Low Voltage, V
OL
High Level Output Leakage Current, I
OH
SERIAL BUS DIGITAL INPUTS
(SCL, SDA)
Input High Voltage, V
IH
Input Low Voltage, V
IL
Input Leakage Current
Hysteresis
140
180
20
560
ms
μ
s
2.4
V
V
I
OUT
= 3.0 mA
0.4
0.4
1
V
μ
A
I
OUT
= –3.0 mA
V
OUT
= V
CC
0.1
0.4
1
V
μ
A
I
OUT
= –3.0 mA
V
OUT
= V
CC
0.1
2.1
V (min)
V (max)
μ
A
mV
0.8
±
5
500
(T
A
= T
MIN
to T
MAX
, V
CC
= V
MIN
to V
MAX
, unless otherwise noted.)
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