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參數(shù)資料
| 型號： | ADT7301BRM-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 13BIT(s), 0.50Cel, SQUARE, SURFACE MOUNT |
| 封裝： | PLASTIC, MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大小： | 189K |
| 代理商： | ADT7301BRM-REEL |
Preliminary Technical Data
ADT7301
Rev. PrI | Page 3 of 15
SPECIFICATIONS
TA = TMIN to TMAX, VDD = 2.7 V to 5.5 V, unless otherwise noted. All specifications apply for –40°C to +150°C, unless otherwise stated
Table 1. A Grade Specifications
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
TEMPERATURE SENSOR AND ADC
VDD = +3.3 V (±10%) and 5 V (±10%)
Accuracy
TBD
±1
°C
TA = 0°C to 70°C.
TBD
±2
°C
TA = 20°C to +85°C.
TBD
±3
°C
TA = 40°C to +125°C.
TBD
±41
°C
TA = 40°C to +150°C.
Temperature Resolution
0.03125
°C
Auto Conversion Update Rate, tR
1
sec
Temperature measurement every 1 second
Temperature Conversion Time
2
ms
Thermal Time Constant2
2
sec
SUPPLIES
Supply Voltage
2.7
5.5
V
For Specified Performance
Supply Current
Normal Mode
1.6
2.2
mA
VDD = 3.3 V. Powered up and converting
190
300
A
VDD = 3.3 V. Powered up and not converting
1.6
2.2
mA
VDD = 5 V. Powered up and converting
280
400
A
VDD = 5 V. Powered up and not converting
Shutdown Mode
0.2
1
A
VDD = 3.3 V.
0.2
1
A
VDD = 5 V.
Power Dissipation
Normal Mode (Average)
631
W
VDD = 3.3 V. Auto conversion update, tR.
1.41
mW
VDD = +5 V. Auto conversion update, tR.
Shutdown Mode (Average)3
1 sps
4.88
W
VDD = 3.3 V
7.4
W
VDD = 5 V
10 sps
42.9
W
VDD = 3.3 V
65
W
VDD = 5 V
100 sps
423
W
VDD = 3.3 V
641
W
VDD = 5 V
DIGITAL INPUT4
Input High Voltage, VIH
2.5
V
Input Low Voltage, VIL
0.8
V
Input Current, IIN
±1
A
VIN = 0 V to VDD
Input Capacitance, CIN
10
pF
All digital inputs
DIGITAL OUTPUT5
Output High Voltage, VOH
VDD 0.3 V
ISOURCE = ISINK = 200 A
Output Low Voltage, VOL
0.4
V
IOL = 200 A
Output Capacitance, COUT
50
pF
1 It is not recommended to operate the device at temperatures above +125°C for greater than a total of 5% of the lifetime of the device. Any exposure beyond this limit
will affect device reliability.
2 Thermal Time Constant is the time it takes for a starting temperature difference to change to 36.8% of it’s starting value. For example if the ADT7301 experienced a
thermal shock from 0°C to 100°C, it would take typically 2 secs for the ADT7301 to reach 63.2°C.
3 The ADT7301 is taken out of shutdown mode and a temperature conversion is immediately performed after this write operation. Once the temperature conversion is
complete the ADT7301 is put back into shutdown mode.
4 Guaranteed by design and characterization, not production tested.
5 Guaranteed by design and characterization, not production tested.
Specifications subject to change without notice
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