ADS7863 Datasheet, PDF (9/43 Pages) Burr-Brown (TI) – Dual, 1.5MSPS, 12-Bit, 2 + 2 Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER

ADS7863
www.ti.com
SBAS383E – JUNE 2007 – REVISED JANUARY 2011
TYPICAL CHARACTERISTICS
Over entire supply voltage range, V_REF = 2.5V (internal), f_CLK = 32MHz, and t_DATA = 2MSPS, unless otherwise noted.
INTEGRAL NONLINEARITY vs DATA RATE
1.0
0.8
0.6
Positive
0.4
0.2
INTEGRAL NONLINEARITY vs TEMPERATURE
1.00
0.75
Positive
0.50
0.25
0
-0.2
Negative
-0.4
-0.6
-0.8
0
-0.25
-0.50
-0.75
Negative
-1.0
0.50 0.75 1.00 1.25 1.50 1.75 2.00
Data Rate (MSPS)
-1.00
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 3.
Figure 4.
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
0
INTEGRAL NONLINEARITY vs CODE
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 5.
DIFFERENTIAL NONLINEARITY vs CODE
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
0
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 6.
DIFFERENTIAL NONLINEARITY vs DATA RATE
1.0
0.8
0.6
Positive
0.4
0.2
0
-0.2
Negative
-0.4
-0.6
-0.8
-1.0
0.50 0.75 1.00 1.25 1.50 1.75 2.00
Data Rate (MSPS)
Figure 7.
DIFFERENTIAL NONLINEARITY vs TEMPERATURE
1.00
0.75
0.50
Positive
0.25
0
-0.25
-0.50
Negative
-0.75
-1.00
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 8.
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