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ADM1020AR-REEL7 数据表(PDF) 2 Page - Analog Devices

部件名 ADM1020AR-REEL7
功能描述  8-Lead, Low-Cost, System Temperature Monitor
Download  12 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADM1020AR-REEL7 数据表(HTML) 2 Page - Analog Devices

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REV. 0
–2–
ADM1020–SPECIFICATIONS (T
A = TMIN to TMAX, VDD = 3.0 V to 3.6 V, unless otherwise noted)
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
POWER SUPPLY AND ADC
Temperature Resolution
1
°C
Guaranteed No Missed Codes
Temperature Error, Local Sensor
±1
°C
–3
+3
°C
Temperature Error, Remote Sensor
–3
+3
°CT
A = +60
°C to +100°C
–5
+5
°C
Supply Voltage Range
3
3.6
V
Note 1
Undervoltage Lockout Threshold
2.5
2.7
2.95
V
VDD Input, Disables ADC,
Rising Edge
Undervoltage Lockout Hysteresis
25
mV
Power-On Reset Threshold
0.9
1.7
2.2
V
VDD, Falling Edge
2
POR Threshold Hysteresis
50
mV
Standby Supply Current
3
10
µAV
DD = 3.3 V, No SMBus Activity
4
µA
SCLK at 10 kHz
Average Operating Supply Current
70
190
µA
0.25 Conversions/Sec Rate
Auto-Convert Mode, Averaged Over 4 Seconds
160
290
µA
2 Conversions/Sec Rate
Conversion Time
65
115
170
ms
From Stop Bit to Conversion
Complete (Both Channels)
Remote Sensor Source Current
D+ Forced to D– + 0.65 V
90
µA
High Level
5.5
µA
Low Level
D– Source Voltage
0.7
V
Address Pin Bias Current
50
µA
Momentary at Power-On Reset
SMBUS INTERFACE
Logic Input High Voltage, VIH
STBY, SCLK, SDATA
2.2
V
VDD = 3 V to 5.5 V
Logic Input Low Voltage, VIL
STBY, SCLK, SDATA
0.8
V
VDD = 3 V to 5.5 V
SMBus Output Low Sink Current
6
mA
SDATA Forced to 0.6 V
ALERT Output Low Sink Current
1
mA
ALERT Forced to 0.4 V
Logic Input Current, IIH, IIL
–1
+1
µA
SMBus Input Capacitance, SCLK, SDATA
5
pF
SMBus Clock Frequency
0
100
kHz
SMBus Clock Low Time, tLOW
4.7
µst
LOW Between 10% Points
SMBus Clock High Time, tHIGH
4
µst
HIGH Between 90% Points
SMBus Start Condition Setup Time, tSU:STA
4.7
µs
SMBus Repeat Start Condition
250
ns
Between 90% and 90% Points
Setup Time, tSU:STA
SMBus Start Condition Hold Time, tHD:STA
4
µs
Time from 10% of SDATA to
90% of SCLK
SMBus Stop Condition Setup Time, tSU:STO
4
µs
Time from 90% of SCLK to 10%
of SDATA
SMBus Data Valid to SCLK
250
ns
Time from 10% or 90% of
Rising Edge Time, tSU:DAT
SDATA to 10% of SCLK
SMBus Data Hold Time, tHD:DAT
0
µs
SMBus Bus Free Time, tBUF
4.7
µs
Between Start/Stop Condition
SCLK Falling Edge to SDATA
Valid Time, tVD,DAT
1
µs
Master Clocking in Data
NOTES
1Operation at V
DD = +5 V guaranteed by design, not production tested.
2Guaranteed by design, not production tested.
Specifications subject to change without notice.


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