TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25°C, VCC = +2.7V, VREF = +2.5V, fSAMPLE = 75kHz, fCLK = 16 • fSAMPLE, unless otherwise specified.
SPURIOUS FREE DYNAMIC RANGE and
SIGNAL-TO-NOISE RATIO vs FREQUENCY
TOTAL HARMONIC DISTORTION vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
Spurious Free Dynamic Range
Signal-to-Noise Ratio
1
10
100
1
10
100
Frequency (kHz)
Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION) vs FREQUENCY
SIGNAL-TO-(NOISE + DISTORTION) vs INPUT LEVEL
100
90
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
1
10
100
–40
–35
–30
–25
–20
–15
–10
–5
0
Frequency (kHz)
Input Level (dB)
REFERENCE CURRENT vs TEMPERATURE
(Code = 710h)
REFERENCE CURRENT vs SAMPLE RATE
14
12
10
8
14
12
10
8
6
6
4
4
2
0
2
0
15
30
45
60
75
–50
–25
0
25
50
75
100
Sample Rate (kHz)
Temperature (°C)
®
ADS7822
6
BB [ BURR-BROWN CORPORATION ]
