參數(shù)資料
型號: ADT7518ARQZ
廠商: Analog Devices Inc
文件頁數(shù): 13/40頁
文件大?。?/td> 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(bào):
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 13 of 40
SOURCE CURRENT
SINK CURRENT
2.505
2.465
2.470
2.475
2.480
2.485
2.490
2.495
2.500
0
1
2
3
CURRENT (mA)
4
5
6
V
DD
= 5V
V
REF
= 5V
DAC OUTPUT
LOADED TO MIDSCALE
 
Figure 16. DAC VOUT Source and Sink Current Capability
0
40
120
100
80
60
40
20
0
20
TEMPERATURE (?/SPAN>C)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
OFFSET ERROR
GAIN ERROR
 
Figure 17. Supply Current vs. DAC Code
2.00
2.7
3.1
3.5
3.9
4.3
4.7
5.1
2.9
3.3
3.7
4.1
4.5
4.9
5.3  5.5
V
CC
 (V)
1.75
1.80
1.85
1.90
1.95
ADC OFF
DAC OUTPUTS AT 0V
 
Figure 18. Supply Current vs. Supply Voltage @ 25癈
7
2.7  2.9  3.1  3.3  3.5  3.7  3.9  4.1  4.3  4.5  4.7  4.9  5.1  5.3  5.5
V
CC
 (V)
0
1
2
3
4
5
6
 
Figure 19. Power-Down Current vs. Supply Voltage @ 25癈
4.0
0
2
4
6
8
1
TIME (?/SPAN>s)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
 
Figure 20. DAC Half-Scale Settling (1/4 to 3/4 Scale Code Change)
1.8
0.8
1.0
1.2
1.4
1.6
0.6
0
2
4
TIME (?/SPAN>s)
6
8
0.4
0.2
0
10
 
Figure 21. Exiting Power-Down to Midscale
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