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ADS1278IPAPR Datasheet(PDF) 17 Page - Texas Instruments

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Part # ADS1278IPAPR
Description  Quad/Octal, Simultaneous Sampling, 24-Bit Analog-to-Digital Converters
PDF  51 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

ADS1278IPAPR Datasheet(HTML) 17 Page - Texas Instruments

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background image
-0.5
InputCommon-ModeVoltage(V)
14
12
10
8
6
4
2
0
14
12
10
8
6
4
2
0
5.5
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Linearity
Noise
-40
-20
0
20
40
60
80
100
T
°
emperature( C)
12
10
8
6
4
2
0
120 125
High-SpeedMode
High-ResolutionMode
Low-SpeedMode
Low-PowerMode
0
0.5
V
(V)
REF
12
10
8
6
4
2
0
3.5
1.0
1.5
2.0
2.5
3.0
See
for
ElectricalCharacteristics
V
OperatingRange.
REF
Low-Power
High-Speed
Low-Speed
High-Resolution
10k
100k
CLK(Hz)
0
-20
-40
-60
-80
-100
-120
-140
14
12
10
8
6
4
2
0
100M
1M
10M
High-SpeedMode
f
>32.768MHz:V
=2.048V,DVDD=2.1V
THD:A
=f
/5120, 0.5dBFS
CLK
REF
IN
CLK
-
Noise:ShortedInput
Noise
THD
10
100
1k
InputFrequency(Hz)
0
-20
-40
-60
-80
-100
-120
10k
100k
1M
10
100
1k
Power-SupplyModulationFrequency(Hz)
0
-20
-40
-60
-80
-100
-120
10k
100k
1M
AVDD
IOVDD
DVDD
ADS1274
ADS1278
www.ti.com
SBAS367F
– JUNE 2007 – REVISED FEBRUARY 2011
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, High-Speed mode, AVDD = +5V, DVDD = +1.8V, IOVDD = +3.3V, fCLK = 27MHz, VREFP = 2.5V, and
VREFN = 0V, unless otherwise noted.
NOISE AND LINEARITY
vs INPUT COMMON-MODE VOLTAGE
NOISE vs TEMPERATURE
Figure 43.
Figure 44.
TOTAL HARMONIC DISTORTION AND NOISE
NOISE vs REFERENCE VOLTAGE
vs CLK
Figure 45.
Figure 46.
COMMON-MODE REJECTION
POWER-SUPPLY REJECTION
vs INPUT FREQUENCY
vs POWER-SUPPLY FREQUENCY
Figure 47.
Figure 48.
© 2007–2011, Texas Instruments Incorporated
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Product Folder Link(s): ADS1274 ADS1278



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