TYPICAL CHARACTERISTICS
(Cont.)
At T
A
= +25°C, AV
DD
= +5V, DV
DD
= +1.8V, CLK = 8MHz, and V
REF
= 4.096, unless otherwise specified.
CMR AT 60Hz vs CLK FREQUENCY
–50
–60
CMR vs COMMON-MODE FREQUENCY
–70
–75
CMR (dB)
CMR at 60Hz (dB)
–80
–85
–90
–95
–70
–80
–90
–100
–110
0
1
2
3
4
5
6
7
8
Clock Frequency (MHz)
–100
–105
10
100
1k
10k
100k
Common-Mode Signal Frequency (Hz)
CURRENT vs TEMPERATURE
0.9
0.8
Power Dissipation (mW)
POWER DISSIPATION vs CLK FREQUENCY
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)
0.7
Current (mA)
0.6
0.5
0.4
0.3
0.2
0.1
0
–40
–20
0
20
40
60
80
100
AV
DD
(5V)
DV
DD
(1.8V)
0
1
2
3
4
5
6
7
8
Temperature (°C)
Clock Frequency (MHz)
V
REF
CURRENT vs CLK FREQUENCY
35
30
Relative Magnitude (dB)
TYPICAL FFT
(1kHz input at 0.1dB less than full-scale)
0
–20
–40
–60
–80
–100
–120
–140
–160
V
REF
Current (µA)
25
20
15
10
5
0
0
1
2
3
4
5
6
7
8
Clock Frequency (MHz)
0
1
2
3
4
5
6
7
8
9
10
11
Input Signal Frequency (kHz)
6
ADS1254
SBAS213
BURR-BROWN [ BURR-BROWN CORPORATION ]
