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ADS8331 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
ADS8331 2.7V~5.5V, 16 Bit 500KSPS Low Power Serial ADC / Low-Power, 16-Bit, 500kSPS, 4-/8-Channel Unipolar Input TI
Texas Instruments TI
ADS8331 Datasheet PDF : 39 Pages
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ADS8331
ADS8332
SBAS363 – DECEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS: DC Performance (continued)
At TA = +25°C, VREF (REF+ – REF–) = 4.096V when VA = VBD = 5V or VREF (REF+ – REF–) = 2.5V when VA = VBD = 2.7V,
fSCLK = 21MHz, and fSAMPLE = 500kSPS, unless otherwise noted.
CHANGE IN DIGITAL SUPPLY CURRENT
vs TEMPERATURE
CHANGE IN INTERNAL CLOCK FREQUENCY
vs TEMPERATURE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-50
-25
VA = VBD = 2.7V
VREF = 2.500V
VA = VBD = 5.0V
VREF = 4.096V
0
25
50
Temperature (°C)
75
100
150
125
100
75
50
25
0
-25
-50
-75
-100
-125
-150
-50
-25
VA = VBD = 2.7V
VREF = 2.500V
VA = VBD = 5.0V
VREF = 4.096V
0
25
50
Temperature (°C)
75
100
Figure 17.
Figure 18.
CHANGE IN ANALOG SUPPLY CURRENT IN NAP MODE
vs TEMPERATURE
25
VA = VBD = 2.7V
20
VREF = 2.500V
15
10
5
0
VA = VBD = 5.0V
VREF = 4.096V
-5
-10
-15
-20
-25
-50
-25
0
25
50
Temperature (°C)
Figure 19.
75
100
14
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