Datasheet

0
500
1000
1500
2000
2500
3000
3500
-6
-4.2
-2.4
-0.6
1.2
3
4.8
6.6
8.4
10.2
12
Occurrences
Input-Referred Noise (µV)
C00
VDDIO = +3.3V
-15
-10
-5
0
5
10
15
0 1 2 3 4 5 6 7 8 9 10
Input-Referred Noise (µV)
Time (s)
C00
VDDIO = +3.3V
70
80
90
100
110
120
10 100 1k
Power-Supply Rejection Ratio (dB)
Frequency (Hz)
C00
VDD = +5.0V
VDD = +3.3V
Data Rate = 6.4ksps
VCM = +0.5V
70
80
90
100
110
120
10 100 1k
Common-Mode Rejection Ratio (dB)
Frequency (Hz)
C00
+85°C
-20°C
+25°C
VDDIO = +3.3V
Data Rate = 6.4ksps
VCM
DC
= +1.65V
VCM
AC
= +2.75V
PP
0
20
40
60
80
100
120
140
0.95 1.15 1.35 1.55 1.75 1.95 2.15 2.35
Input Bias Current (pA)
Common-Mode Voltage (V)
C01
T
A
= +25°C
T
A
= -20°C
VIN DIFF = ±400mV
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
0.95 1.15 1.35 1.55 1.75 1.95 2.15 2.35
Input Bias Current (nA)
Common-Mode Voltage (V)
C01
T
A
= +85°C
VIN DIFF = ±400mV
ADS1293
www.ti.com SNAS602B –FEBRUARY 2013–REVISED MARCH 2013
TYPICAL CHARACTERISTICS (continued)
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.
IBIAS vs VCM IBIAS vs VCM
Figure 9. Figure 10.
PSRR vs FREQUENCY CMRR vs FREQUENCY
Figure 11. Figure 12.
INPUT-REFERRED NOISE NOISE HISTOGRAM
Figure 13. Figure 14.
Copyright © 2013, Texas Instruments Incorporated 11
Product Folder Links: ADS1293