ADS1225 查看數據表（PDF） - Analog Devices
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ADS1225 Datasheet PDF : 24 Pages
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ADS1225
ADS1226
www.ti.com
SBAS346 – MAY 2006
TYPICAL CHARACTERISTICS
At TA = –40°C to +85°C, AVDD = +5V, DVDD = +3V, and VREF = +5V, unless otherwise noted.
ANALOG CURRENT vs TEMPERATURE
350
Buffer Off
325
AVDD = 5V
300
ANALOG CURRENT vs TEMPERATURE
500
Buffer On
AVDD = 5V
450
275
400
AVDD = 3V
250
350
225
AVDD = 3V
200
-50 -25
0
25
50
75 100 125
Temperature (°C)
Figure 1.
300
-50 -25
0
25
50
75 100 125
Temperature (°C)
Figure 2.
DIGITAL CURRENT vs TEMPERATURE
120
AVDD = 5V
105
90
75
60
AVDD = 3V
45
ANALOG CURRENT vs SUPPLY VOLTAGE
450
Buffer On
400
350
300
Buffer Off
250
30
-55
-25
5
35
65
Temperature (°C)
Figure 3.
95
125
200
2.5
3.0
3.5
4.0
4.5
5.0
5.5
AVDD Supply Voltage (V)
Figure 4.
DIGITAL CURRENT vs SUPPLY VOLTAGE
110
100
90
80
70
60
50
40
2.5
3.0
3.5
4.0
4.5
5.0
5.5
DVDD Supply Voltage (V)
Figure 5.
TEMPERATURE SENSOR VOLTAGE vs TEMPERATURE
150
140
130
120
110
100
90
80
70
-55
-25
5
35
65
Temperature (°C)
95
125
Figure 6.
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