TYPICAL CHARACTERISTICS (Cont.)
VDD = 5V, +In = –250mV to 250mV, –In = 0V, and MCLK = 10MHz, unless otherwise noted.
RMS NOISE vs INPUT VOLTAGE LEVEL
SIGNAL-TO-NOISE RATIO vs TEMPERATURE
Mode 0
80
70
60
50
40
30
20
10
0
71.0
70.8
70.6
70.4
70.2
70.0
69.8
69.6
69.4
69.2
69.0
Mode 3
–320 –240 –160 –80
0
80
160
240
320
100
100
–40
–20
0
20
40
60
80
100
Differential Input Voltage (mV)
Temperature (°C)
SIGNAL-TO-NOISE + DISTORTION
vs TEMPERATURE
EFFECTIVE NUMBER OF BITS
vs DECIMATION RATIO
71.0
70.6
70.2
69.8
69.4
69.0
16
14
12
10
8
Sinc3 Filter
Mode 3
Sinc2 Filter
Mode 0
6
4
–40
–20
0
20
40
60
80
0
400
800
1200
1600
2000
Temperature (°C)
Decimation Ratio (OSR)
SPURIOUS-FREE DYNAMIC RANGE
AND TOTAL HARMOINIC DISTORTION
vs TEMPERATURE (Mode 3)
SPURIOUS-FREE DYNAMIC RANGE
AND TOTAL HARMOINIC DISTORTION
vs TEMPERATURE (Mode 0)
95
93
91
89
87
85
83
81
79
77
75
–95
95
93
91
89
87
85
83
81
79
77
75
–95
–93
–91
–89
–87
–85
–83
–81
–79
–77
–75
0.5Vp-p
5kHz
–93
–91
–89
–87
–85
–83
–81
–79
–77
–75
SFDR
THD
SFDR
THD
–40
–20
0
20
40
60
80
100
–40
–20
0
20
40
60
80
Temperature (°C)
Temperature (°C)
ADS1202
7
SBAS275
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