Datasheet

ADS1253
SBAS199B
6
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
DD
= +5V, CLK = 8MHz, and V
REF
= 4.096V, unless otherwise specified.
–70
–75
–80
–85
–90
–95
–100
–105
CMR (dB)
CMR vs COMMON-MODE FREQUENCY
10 100 1k 10k 100k
Common-Mode Signal Frequency (Hz)
1.64
1.62
1.60
1.58
1.56
1.54
1.52
1.50
1.48
1.46
CURRENT vs TEMPERATURE
Temperature (°C)
–40 –20 0 20 40 60 80 100
Current (mA)
9
8
7
6
5
4
3
2
1
0
POWER DISSIPATION vs CLK FREQUENCY
Clock Frequency (MHz)
012345 768
Power Dissipation (mW)
35
30
25
20
15
10
5
0
V
REF
CURRENT vs CLK FREQUENCY
0123456789
V
REF
Current (µA)
Clock Frequency (MHz)
0
–20
–40
–60
–80
–100
–120
–140
–160
TYPICAL FFT
(1kHz input at 0.1dB less than full-scale)
Input Signal Frequency (kHz)
01234567891011
Relative Magnitude (dB)
–60
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
CMR AT 60Hz vs CLK FREQUENCY
012345678
CMR at 60Hz (dB)
Clock Frequency (MHz)