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ADS1246 Datasheet(PDF) 21 Page - Texas Instruments

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Part # ADS1246
Description  24-Bit Analog-to-Digital Converters for Temperature Sensors
PDF  66 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

ADS1246 Datasheet(HTML) 21 Page - Texas Instruments

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background image
8
6
4
2
0
-2
-4
-6
-8
V
(%ofFSR)
IN
-100
-50
0
50
100
PGA=128
DataRate=20SPS
-40°C
+25 C
°
+105 C
°
-10°C
8
6
4
2
0
-2
-4
-6
-8
V
(%ofFSR)
IN
-100
-50
0
50
100
PGA=1
DataRate=2kSPS
-
°
40 C
+25 C
°
+105 C
°
-
°
10 C
3.0
2.5
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
-
-
-
-
-
-
Temperature( C)
°
-
40
-
20
0
20
40
60
80
100
120
DVDD=5V
DVDD=3.3V
130
125
120
115
110
105
100
95
90
85
80
Temperature( C)
°
-40
-20
0
20
40
60
80
100
120
PGA=1
PGA=32
PGA=128
2.050
2.049
2.048
2.047
2.046
Temperature( C)
°
-40
-20
0
20
40
60
80
100
120
14Units
1.002
1.001
1.000
0.999
0.998
0.997
0.996
0.995
0.994
0.993
0.992
0.991
AVDD(V)
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
750 A
m
250 A
m
1.5mA
500 A
m
100 A
m
1mA
50 A
m
IDACCurrentSettings
ADS1246
ADS1247
ADS1248
www.ti.com
SBAS426D – AUGUST 2008 – REVISED MARCH 2010
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, AVDD = 5V, VREF = 2.5V, and AVSS = 0V, unless otherwise noted.
INTEGRAL NONLINEARITY vs INPUT SIGNAL
INTEGRAL NONLINEARITY vs INPUT SIGNAL
Figure 35.
Figure 36.
DATA RATE ERROR vs TEMPERATURE
(Using Internal Oscillator)
CMRR vs TEMPERATURE
Figure 37.
Figure 38.
INTERNAL VREF vs TEMPERATURE
IDAC LINE REGULATION
Figure 39.
Figure 40.
Copyright © 2008–2010, Texas Instruments Incorporated
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Product Folder Link(s): ADS1246 ADS1247 ADS1248



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