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參數(shù)資料
| 型號(hào)： | ADT7301 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 13-Bit, 0.5C Accurate, MicroPower Digital Temperature Sensor in 6-Lead SOT-23 |
| 中文描述： | 13位，-0.5℃精確度，微功耗數(shù)字溫度傳感器在6引腳SOT - 23 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 637K |
| 代理商： | ADT7301 |
Preliminary Technical Data
ADT7301
SPECIFICATIONS
T
A
= T
MIN
to T
MAX
, V
DD
= 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
TEMPERATURE SENSOR AND ADC
Accuracy
TBD
TBD
TBD
TBD
Temperature Resolution
0.03125
Auto Conversion Update Rate, t
R
1
Temperature Conversion Time
2
Thermal Time Constant
2
2
SUPPLIES
Supply Voltage
2.7
Supply Current
Normal Mode
1.6
190
1.6
280
Shutdown Mode
0.2
0.2
Power Dissipation
Normal Mode (Average)
631
1.41
Shutdown Mode (Average)
3
1 sps
4.88
7.4
10 sps
42.9
65
100 sps
423
641
DIGITAL INPUT
4
Input High Voltage, V
IH
2.5
Input Low Voltage, V
IL
Input Current, I
IN
Input Capacitance, C
IN
DIGITAL OUTPUT
5
Output High Voltage, V
OH
V
DD
0.3 V
Output Low Voltage, V
OL
Output Capacitance, C
OUT
Max
±1
±2
±3
±4
1
5.5
2.2
300
2.2
400
1
1
0.8
±1
10
0.4
50
Unit
°C
°C
°C
°C
°C
sec
ms
sec
V
mA
μA
mA
μA
μA
μA
μW
mW
μW
μW
μW
μW
μW
μW
V
V
μA
pF
V
pF
Test Conditions/Comments
V
DD
= +3.3 V (±10%) and 5 V (±10%)
T
A
= 0°C to 70°C.
T
A
= 20°C to +85°C.
T
A
= 40°C to +125°C.
T
A
= 40°C to +150°C.
Temperature measurement every 1 second
For Specified Performance
V
DD
= 3.3 V. Powered up and converting
V
DD
= 3.3 V. Powered up and not converting
V
DD
= 5 V. Powered up and converting
V
DD
= 5 V. Powered up and not converting
V
DD
= 3.3 V.
V
DD
= 5 V.
V
DD
= 3.3 V. Auto conversion update, t
R
.
V
DD
= +5 V. Auto conversion update, t
R
.
V
DD
= 3.3 V
V
DD
= 5 V
V
DD
= 3.3 V
V
DD
= 5 V
V
DD
= 3.3 V
V
DD
= 5 V
V
IN
= 0 V to V
DD
All digital inputs
I
SOURCE
= I
SINK
= 200 μA
I
OL
= 200 μA
1
It is not recommended to operate the device at temperatures above +125°C for greater than a total of 5% (5,000 hours) 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
Rev. PrJ | Page 3 of 14
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