Datasheet

100
90
80
70
60
PSRR(dB)
100
10k
f (Hz)
RIPPLE
1k
130
120
110
100
90
CMRR(dB)
100
1M
f (Hz)
IN
1k 10k 100k
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
f (MHz)
CLK
4.64.6 4.7 4.8 4.9
5.0 5.1 5.2 5.3 5.4 5.5
AVDD(V)
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
f (MHz)
CLK
-40
125
Temperature( )°C
-25
110958065503520
-10
5
-80
82
84
86
88
90
92
94
-
-
-
-
-
-
-
THD(dB)
100
10k
f (Hz)
IN
1k
SFDR(dB)
96
94
92
90
88
86
84
82
SFDR
THD
-40
125
Temperature( )°C
-25
110958065503520
-10
5
-80
82
84
86
88
90
92
94
-
-
-
-
-
-
-
THD(dB)
SFDR(dB)
96
94
92
90
88
86
84
82
THD
SFDR
ADS1209
www.ti.com SBAS491 –FEBRUARY 2010
TYPICAL CHARACTERISTICS (continued)
At AVDD = 5V, BVDD = 3V, CHx+ = +0.2V to +4.8V, CHx– = +2.5V, V
REFIN
= V
REFOUT
= 2.5V (internal), CLKSEL = 1, and
16-bit Sinc
3
filter, with OSR = 256, unless otherwise noted.
POWER-SUPPLY REJECTION RATIO COMMON-MODE REJECTION RATIO
vs RIPPLE FREQUENCY vs INPUT SIGNAL FREQUENCY
Figure 8. Figure 9.
INTERNAL CLOCK FREQUENCY INTERNAL CLOCK FREQUENCY
ANALOG SUPPLY VOLTAGE vs TEMPERATURE
Figure 10. Figure 11.
TOTAL HARMONIC DISTORTION AND SPURIOUS-FREE TOTAL HARMONIC DISTORTION AND SPURIOUS-FREE
DYNAMIC RANGE vs INPUT FREQUENCY DYNAMIC RANGE vs TEMPERATURE
Figure 12. Figure 13.
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