Datasheet

20-40 -10 5-25 35 6550 125
Temperature( C)°
TotalHarmonicDistortion(dB)
-85
87
89
91
93
95
97
99
101
103
105
-
-
-
-
-
-
-
-
-
-
1109580
CLKIN=32MHz
CLKIN=20MHz
4V
5kHz
PP
20-40 -10 5-25 35 6550 125
Temperature( C)°
Spurious-FreeDynamicRange(dB)
105
103
101
99
97
95
93
91
89
87
85
1109580
CLKIN=32MHz
CLKIN=20MHz
4V
5kHz
PP
1 10 100
Frequency(kHz)
SFDR(dB)
THD(dB)
120
110
100
90
80
70
60
-120
-
-
-
-
-
-
110
100
90
80
70
60
THD
SFDR
1 10 100
Frequency(kHz)
SFDR(dB)
THD(dB)
120
110
100
90
80
70
60
-120
-
-
-
-
-
-
110
100
90
80
70
60
THD
SFDR
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
Magnitude(dB)
Frequency(kHz)
0 2 4 6 8 10 12 14 16 18 19
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
Magnitude(dB)
Frequency(kHz)
0 2 4 6 8 10 12 14 16 18 19
ADS1204
www.ti.com ........................................................................................................................................... SBAS301C – OCTOBER 2003 – REVISED FEBRUARY 2009
TYPICAL CHARACTERISTICS (continued)
AV
DD
= 5V, BV
DD
= 3V, CH x+ = +0.5V to +4.5V, CH x – = +2.5V, REFIN = external, CLKSEL = 0, and 16-bit Sinc
3
filter, with
OSR = 256, unless otherwise noted.
THD vs TEMPERATURE SFDR vs TEMPERATURE
Figure 14. Figure 15.
SFDR AND THD vs INPUT FREQUENCY SFDR AND THD vs INPUT FREQUENCY
(CLKIN = 20MHz) (CLKIN = 32MHz)
Figure 16. Figure 17.
FREQUENCY SPECTRUM FREQUENCY SPECTRUM
(4096 Point FFT, f
IN
= 1kHz, 4V
PP
) (4096 Point FFT, f
IN
= 5kHz, 4V
PP
)
Figure 18. Figure 19.
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