參數資料
型號: ADT7519ARQ-REEL7
廠商: Analog Devices, Inc.
元件分類: 溫度/濕度傳感器
英文描述: SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC
中文描述: SPI/I2C兼容,溫度傳感器,四通道ADC和四路電壓輸出DAC
文件頁數: 14/44頁
文件大?。?/td> 1350K
代理商: ADT7519ARQ-REEL7
ADT7516/ADT7517/ADT7519
Rev. A | Page 14 of 44
0.30
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
V
REF
(V)
E
–0.10
–0.05
0
0.05
0.10
0.15
0.20
0.25
INL WCP
DNL WCP
DNL WCN
INL WCN
0
Figure 16. ADT7519 DAC INL and DNL Error vs. V
REF
0.14
–40
110
80
50
20
TEMPERATURE (
°
C)
–10
E
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
0.08
0.10
0.12
DNL WCN
INL WCP
INL WCN
DNL WCP
0
Figure 17. ADT7519 DAC INL Error and DNL Error vs. Temperature
0
–40
120
100
80
60
40
20
TEMPERATURE (
°
C)
0
–20
E
–1.8
–1.6
–1.4
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
OFFSET ERROR
GAIN ERROR
0
Figure 18. DAC Offset Error and Gain Error vs. Temperature
E
–20
–15
–10
–5
0
5
10
2.7
3.3
3.6
4.0
V
DD
(V)
4.5
5.0
5.5
OFFSET ERROR
GAIN ERROR
V
REF
= 2.25V
0
Figure 19. DAC Offset Error and Gain Error vs. V
DD
SOURCE CURRENT
SINK CURRENT
2.505
D
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
= 5V
DAC OUTPUT
LOADED TO MIDSCALE
0
Figure 20. DAC V
OUT
Source and Sink Current Capability
0
–40
120
100
80
60
40
20
TEMPERATURE (
°
C)
0
–20
E
–1.8
–1.6
–1.4
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
OFFSET ERROR
GAIN ERROR
0
Figure 21. Supply Current vs. DAC Code
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