參數(shù)資料
型號: ADT7518ARQZ
廠商: Analog Devices Inc
文件頁數(shù): 15/40頁
文件大小: 891K
描述: IC SENSOR TEMP QD ADC/DAC 16QSOP
標(biāo)準(zhǔn)包裝: 98
功能: 溫度監(jiān)控系統(tǒng)(傳感器)
傳感器類型: 內(nèi)部和外部
感應(yīng)溫度: -40°C ~ 120°C,外部傳感器
精確度: ±3°C(最小值)
拓?fù)洌?/td> ADC,比較器,多路復(fù)用器,寄存器庫
輸出類型: I²C?,MICROWIRE?,QSPI?,SPI?
輸出警報:
輸出風(fēng)扇:
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 120°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-QSOP
包裝: 托盤
產(chǎn)品目錄頁面: 798 (CN2011-ZH PDF)
 
ADT7518
 
Rev. A | Page 15 of 40
TEMPERATURE (?/SPAN>C)
30
0
40
85
120
1.5
1.0
0.5
0
0.5
1.0
EXTERNAL TEMPERATURE @ 3.3V
INTERNAL TEMPERATURE @ 5V
INTERNAL TEMPERATURE @ 3.3V
EXTERNAL TEMPERATURE @ 5V
 
Figure 28. Internal Temperature Error @ 3.3 V and 5 V
1
0
1
2
3
2
3
4
V
DD
= 3.3V
40
20
0
TEMPERATURE (?/SPAN>C)
20
40
60
80
100
120
GAIN ERROR
OFFSET ERROR
 
Figure 29. ADC Offset Error and Gain Error vs. Temperature
V
DD
 (V)
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
3
2
1
0
1
2
3
OFFSET ERROR
GAIN ERROR
 
Figure 30. ADC Offset Error and Gain Error vs. V
DD
15
10
5
0
5
10
15
20
25
0
10
20
PCB LEAKAGE RESISTANCE (M&)
30
40
50
60
70
80
90    100
V
DD
= 3.3V
TEMPERATURE = 25?/SPAN>C
D+ TO GND
D+ TO V
CC
 
Figure 31. External Temperature Error vs. PCB Leakage Resistance
60
50
40
30
20
10
0
V
DD
= 3.3V
0
5
10
15
20
25
CAPACITANCE (nF)
30
35
40
45
50
 
Figure 32. External Temperature Error vs. Capacitance between D+ and D
10
0
2
4
6
8
2
4
6
NOISE FREQUENCY (Hz)
V
DD
 = 3.3V
COMMON-MODE
VOLTAGE = 100mV
1
100
200
300
400
500
600
 
Figure 33. External Temperature Error vs. Common-Mode Noise Frequency
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