TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25, VCC = +5V, VREF = +5V, fSAMPLE = 12.5kHz, fCLK = 16 • fSAMPLE, unless otherwise specified.
EFFECTIVE NUMBER OF BITS
vs REFERENCE VOLTAGE
DIFFERENTIAL LINEARITY ERROR vs CODE
12
11.75
11.5
11.25
11
3.0
2.0
1.0
0
10.75
10.5
10.25
10
–1.0
–2.0
–3.0
0.1
1
10
10
0
0
2048
Code
4095
Reference Voltage (V)
SPURIOUS FREE DYNAMIC RANGE
AND SIGNAL-TO-NOISE RATIO vs FREQUENCY
SIGNAL-TO-(NOISE + DISTORTION)
vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
Spurious Free Dynamic Range
Signal-to-Noise Ratio
0.1
1
10
0.1
1
Frequency (kHz)
Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION) vs INPUT LEVEL
TOTAL HARMONIC DISTORTION vs FREQUENCY
80
70
60
50
40
30
20
10
0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0.1
1
10
–40
–35
–30
–25
–20
–15
–10
–5
Frequency (kHz)
Input Level (dB)
®
5
ADS1286
BB [ BURR-BROWN CORPORATION ]
