TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= +25, V
CC
= +5V, V
REF
= +5V, f
SAMPLE
= 12.5kHz, f
CLK
= 16 • f
SAMPLE
, unless otherwise specified.
EFFECTIVE NUMBER OF BITS
vs REFERENCE VOLTAGE
12
Differential Linearity Error (LSB)
Effective Number of Bits (rms)
3.0
2.0
1.0
0
–1.0
–2.0
–3.0
DIFFERENTIAL LINEARITY ERROR vs CODE
11.75
11.5
11.25
11
10.75
10.5
10.25
10
0.1
1
Reference Voltage (V)
10
0
2048
Code
4095
SIGNAL-TO-(NOISE + DISTORTION)
vs FREQUENCY
100
Signal-to-(Noise + Distortion) (dB)
Spurious Free Dynamic Range
and Signal-to-Noise Ratio (dB)
SPURIOUS FREE DYNAMIC RANGE
AND SIGNAL-TO-NOISE RATIO vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
Signal-to-Noise Ratio
Spurious Free Dynamic Range
90
80
70
60
50
40
30
20
10
0
0.1
1
Frequency (kHz)
10
0.1
1
Frequency (kHz)
10
SIGNAL-TO-(NOISE + DISTORTION) vs INPUT LEVEL
80
Signal-to-(Noise + Distortion) (dB)
TOTAL HARMONIC DISTORTION vs FREQUENCY
0
Total Harmonic Distortion (dB)
70
60
50
40
30
20
10
0
–40
–35
–30
–25
–20
–15
Input Level (dB)
–10
–5
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0.1
1
Frequency (kHz)
10
®
5
ADS1286