參數(shù)資料
型號: ADT7310TRZ
廠商: Analog Devices Inc
文件頁數(shù): 3/24頁
文件大?。?/td> 393K
描述: IC TEMP SENSOR 16BIT SPI 8SOIC
標準包裝: 98
功能: 溫度監(jiān)控系統(tǒng)(傳感器)
傳感器類型: 內(nèi)部
感應溫度: -55°C ~ 150°C
精確度: ±0.5°C
拓撲: ADC(三角積分型),振蕩器,寄存器庫
輸出類型: SPI?
輸出警報:
輸出風扇:
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -55°C ~ 150°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設(shè)備封裝: 8-SO
包裝: 管件
產(chǎn)品目錄頁面: 798 (CN2011-ZH PDF)
Data Sheet
ADT7310
 
Rev. A | Page 3 of 24
SPECIFICATIONS
T
A
 = 55癈 to +150癈; V
DD
 = 2.7 V to 5.5 V; unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
TEMPERATURE SENSOR AND ADC
 
 
 
 
 
Accuracy
1
 
 
0.05
?.4
2
     癈
TA = 40癈 to +105癈, VDD = 3.0 V
 
 
 
?.44     癈
TA = 40癈 to +105癈, VDD = 2.7 V to 3.3 V
 
 
 
?.5
TA = 55癈 to +125癈, VDD = 3.0 V
 
 
 
?.5
T
A
 = 40癈 to +105癈, V
DD
 = 2.7 V to 3.6 V
 
 
 
?.7
T
A
 = 55癈 to +150癈, V
DD
 = 2.7 V to 3.6 V
 
 
 
?.8
T
A
 = 40癈 to +105癈, V
DD
 = 4.5 V to 5.5 V
 
 
 
?.0
T
A
 = 55癈 to +150癈, V
DD
 = 2.7 V to 5.5 V
ADC Resolution
 
13
 
Bits
Twos complement temperature value of sign bit plus 12 ADC bits
(power-up default resolution)
 
 
16
 
Bits
Twos complement temperature value of sign bit plus 15 ADC bits
(Bit 7 = 1 in the configuration register)
Temperature Resolution
 
 
 
 
 
13-Bit
 
0.0625     
13-bit resolution (sign + 12-bit)
16-Bit
 
0.0078     
16-bit resolution (sign + 15-bit)
Temperature Conversion Time
 
240
 
ms
Continuous conversion and one-shot conversion mode
Fast Temperature Conversion Time
 
6
 
ms
First conversion on power-up only
1 SPS Conversion Time
 
60
 
ms
Conversion time for 1 SPS mode
Temperature Hysteresis
 
?.002     
Temperature cycle = 25癈 to 125癈, and back to 25癈
Repeatability
3
 
 
?.015     
TA = 25癈
DC PSRR
 
0.1
 
癈/V
T
A
 = 25癈
DIGITAL OUTPUTS (OPEN DRAIN)
 
 
 
 
 
High Output Leakage Current, IOH
 
0.1
5
礎(chǔ)
CT and INT pins pulled up to 5.5 V
Output High Current
 
 
1
mA
VOH = 5 .5V
Output Low Voltage, VOL
 
 
0.4
V
IOL = 2 mA @ 5.5 V, IOL = 1 mA @ 3.3 V
Out  ut Hi h Volta e, VOH
0.7 ?VDD
 
 
V
 
Output Capacitance, C
OUT
 
3
 
pF
 
DIGITAL INPUTS
 
 
 
 
 
Input Current
 
 
?
礎(chǔ)
VIN = 0 V to VDD
Input Low Voltage, VIL
 
 
0.4
V
 
Input High Voltage, VIH
0.7 ?VDD
 
 
V
 
Pin Capacitance
 
5
10
pF
 
DIGITAL OUTPUT (DOUT)
 
 
 
 
 
Output High Voltage, V
OH
 
V
OH
  0.3
 
 
V
I
SOURCE
 = I
SINK
 = 200 礎(chǔ)
Output Low Voltage, V
OL
 
 
0.4
V
I
OL
 = 200 礎(chǔ)
Output Capacitance, C
OUT
 
 
 
50
pF
 
POWER REQUIREMENTS
 
 
 
 
 
Supply Voltage
2.7
 
5.5
V
 
Supply Current
 
 
 
 
 
At 3.3 V
 
210
250
礎(chǔ)
Peak current while converting, SPI interface inactive
At 5.5 V
 
250
300
礎(chǔ)
Peak current while converting, SPI interface inactive
1 SPS Current
 
 
 
 
 
At 3.3V
 
46
 
礎(chǔ)
V
DD
 = 3.3 V, 1 SPS mode, T
A
 = 25癈
At 5.5V
 
65
 
礎(chǔ)
V
DD
 = 5.5 V, 1 SPS mode, T
A
 = 25癈
Shutdown Current
 
 
 
 
 
At 3.3 V
 
2.0
15
礎(chǔ)
Supply current in shutdown mode
At 5.5 V
 
5.2
25
礎(chǔ)
Supply current in shutdown mode
Power Dissipation Normal Mode
 
700
 
VDD = 3.3 V, normal mode at 25癈
Power Dissipation 1 SPS
 
150
 
Power dissipated for VDD = 3.3 V, TA = 25癈
 
1
 Accuracy includes lifetime drift.
2
 The equivalent 3 ?limits are ?.33癈. This 3 ?specification is provided to enable comparison with other vendors who use these limits.
3
 Based on a floating average of 10 readings.
 
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