參數(shù)資料
型號(hào)： ADM1028ARQZ-REEL7
廠商： ANALOG DEVICES INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PDSO16
封裝： MO-137AB, QSOP-16
文件頁(yè)數(shù)： 9/16頁(yè)
文件大?。?/td> 379K
代理商： ADM1028ARQZ-REEL7
REV. B
–2–
ADM1028–SPECIFICATIONS1, 2 (T
A = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.)
Parameter
Min
Typ
Max
Unit
Test Conditions
POWER SUPPLY
Supply Voltage, VCC
3.0
3.30
5.5
V
Supply Current, ICC
2
3.2
mA
Interface Inactive, ADC Active
TEMPERATURE-TO-DIGITAL CONVERTER
Internal Sensor Accuracy
±3
∞C
±2
∞C60∞C TA 100∞C
Resolution
1
∞C
External Diode Sensor Accuracy
±5
∞C
±3
∞C60∞C TA 100∞C
Resolution
1
∞C
Remote Sensor Source Current
120
mAHigh Level (D+ = D– + 0.65 V)
7
mALow Level (D+ = D– + 0.65 V)
ANALOG OUTPUT
Output Voltage Range
0
2.5
V
Total Unadjusted Error, TUE
±3%
IL = 2 mA
Full-Scale Error
±1
±3%
Zero Error
±2
LSB
No Load
Differential Nonlinearity, DNL
±1
LSB
Monotonic by Design
Integral Nonlinearity
±1
LSB
Output Source Current
2
mA
Output Sink Current
1
mA
THERMA OUTPUT
THERMA Pull-Up Resistance
9
12
14
k
W
DIGITAL OUTPUT
THERMA/NTEST_OUT,
R_OFF
Output High Voltage, VOH
2.4
V
IOUT = 3.0 mA
Output Low Voltage, VOL
0.4
V
OPEN-DRAIN DIGITAL OUTPUTS
(INT,
THERMB, FAN_OFF, R_RST)
Output Low Voltage, VOL
0.4
V
IOUT = –3.0 mA
High Level Output Leakage Current, IOH
0.1
1
mAVOUT = VCC3
FAN SPEED RAMP RATES
Counter Frequency
1
± 50%
16
± 50%
Hz
OPEN-DRAIN SERIAL DATA
BUS OUTPUT (SDA)
Output Low Voltage, VOL
0.4
V
IOUT = –3.0 mA
High Level Output Leakage Current, IOH
0.1
1
mAVOUT = VCC
SERIAL BUS DIGITAL INPUTS
(SCL, SDA)
Input High Voltage, VIH
2.1
V
Input Low Voltage, VIL
0.8
V
Input Leakage Current
±5
mA
Hysteresis
500
mV
Note 4
DIGITAL INPUT LOGIC LEVELS
(FAN_SPD/TEST_IN, GPI)
Input High Voltage, VIH
2.2
V
Input Low Voltage, VIL
0.8
V
DIGITAL INPUT LEAKAGE CURRENT
(ALL DIGITAL INPUTS)
Input High Current, IIH
–1
–0.005
mAVIN = VCC
Input Low Current, IIL
+0.005
+1
mAVIN = 0
Input Capacitance, CIN
369
pF
Note 4
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