TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, AVDD = +5V, DVDD = +1.8V, CLK = 8MHz, and VREF = 4.096, unless otherwise specified.
CMR vs COMMON-MODE FREQUENCY
CMR AT 60Hz vs CLK FREQUENCY
–70
–75
–50
–60
–80
–70
–85
–80
–90
–90
–95
–100
–110
–100
–105
0
1
2
3
4
5
6
7
8
10
100
1k
10k
100k
Clock Frequency (MHz)
Common-Mode Signal Frequency (Hz)
CURRENT vs TEMPERATURE
POWER DISSIPATION vs CLK FREQUENCY
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
Analog (5V)
Digital (3.3V)
Digital (1.8V)
AVDD (5V)
DVDD (1.8V)
–40
–20
0
20
40
60
80
100
0
1
2
3
4
5
6
7
8
Temperature (°C)
Clock Frequency (MHz)
TYPICAL FFT
(1kHz input at 0.1dB less than full-scale)
V
REF CURRENT vs CLK FREQUENCY
0
–20
35
30
25
20
15
10
5
–40
–60
–80
–100
–120
–140
–160
0
0
1
2
3
4
5
6
7
8
9
10 11
0
1
2
3
4
5
6
7
8
Input Signal Frequency (kHz)
Clock Frequency (MHz)
ADS1254
6
SBAS213
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