TYPICAL CHARACTERISTICS (Cont.)
VDD = 5V, +In = –250mV to 250mV, –In = 0V, and MCLK = 10MHz, unless otherwise noted.
SPURIOUS-FREE DYNAMIC RANGE
AND TOTAL HARMOINIC DISTORTION
vs INPUT FREQUENCY (Mode 0)
SPURIOUS-FREE DYNAMIC RANGE
AND TOTAL HARMOINIC DISTORTION
vs INPUT FREQUENCY (Mode 3)
110
100
90
–110
–100
–90
–80
–70
–60
–50
110
100
90
–110
–100
–90
–80
–70
–60
–50
SFDR
THD
SFDR
THD
80
80
70
70
OSR = 256
Sinc3 Filter
OSR = 256
Sinc3 Filter
60
60
50
50
1
10
1
10
Input Frequency (kHz)
Input Frequency (kHz)
FREQUENCY SPECTRUM
FREQUENCY SPECTRUM
(4096 Point FFT, fIN = 1kHz, 0.5Vp-p)
(4096 Point FFT, fIN = 5kHz, 0.5Vp-p)
0
0
Mode 0
Mode 0
–20
–40
–20
–40
–60
–60
–80
–80
–100
–120
–140
–100
–120
–140
0
2
4
6
8
10
12
14
16
18
20
0
2
4
6
8
10
12
14
16
18
20
Frequency (kHz)
Frequency (kHz)
COMMON-MODE REJECTION RATIO
vs FREQUENCY
CLOCK FREQUENCY vs TEMPERATURE
10.5
10.2
9.9
100
95
90
85
80
75
70
65
60
55
50
9.6
9.3
9.0
–40
–20
0
20
40
60
80
100
120
1
10
100
Temperature (°C)
Frequency of Power Supply (Hz)
ADS1202
8
SBAS275
www.ti.com
BB [ BURR-BROWN CORPORATION ]
