Datasheet

-150
-100
-50
0
50
100
150
-0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4
Input Bias Current (pA)
Differential Input Voltage (V)
C01
T
A
= 25°C
T
A
= -20°C
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
-0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4
Input Bias Current (nA)
Differential Input Voltage (V)
C01
T
A
= +85°C
0
300
600
900
1200
1500
1800
-40
-31
-22
-13
-4
5
14
23
32
41
50
Occurrences
Input-Referred Offset Voltage (µV)
C01
Data from 1325 devices, three lots
VDD = +5.5V
VDDIO = +3.3V
2.392
2.3925
2.393
2.3935
2.394
2.3945
2.395
2.3955
2.396
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
Internal Reference (V)
Analog Supply Voltage (V)
C01
T
A
= -20°C
T
A
= +25°C
T
A
= +85°C
VCM = +0.5V
0
5
10
15
20
25
30
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
Input-Referred Offset Voltage (µV)
Analog Supply Voltage (V)
C00
0
5
10
15
20
25
30
0.25 0.65 1.05 1.45 1.85 2.25 2.65 3.05
Input-Referred Offset Voltage (µV)
Common-Mode Voltage (V)
C01
T
A
= -20°C
T
A
= +25°C
T
A
= +85°C
ADS1293
SNAS602B –FEBRUARY 2013–REVISED MARCH 2013 www.ti.com
TYPICAL CHARACTERISTICS
All plots at T
A
= +25°C, VDD = +3.3V, VDDIO = +1.8V, VSS = VSSIO = 0V, internal VREF = +2.4V, VCM = RLDREF, internal
f
OSC
= 409.6kHz, data rate = 1067sps, and High-Resolution mode, unless otherwise noted.
VOS vs VDD VOS vs VCM
Figure 3. Figure 4.
VOS DISTRIBUTION VREF vs VDD
Figure 5. Figure 6.
IBIAS vs VIN DIFF IBIAS vs VIN DIFF
Figure 7. Figure 8.
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