Datasheet

5
®
ADS1286
DIFFERENTIAL LINEARITY ERROR vs CODE
3.0
2.0
1.0
0
–1.0
–2.0
–3.0
Differential Linearity Error (LSB)
0 2048 4095
Code
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
11.75
11.5
11.25
11
10.75
10.5
10.25
10
Effective Number of Bits (rms)
0.1 1 10
Reference Voltage (V)
SPURIOUS FREE DYNAMIC RANGE
AND SIGNAL-TO-NOISE RATIO vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
Spurious Free Dynamic Range
and Signal-to-Noise Ratio (dB)
0.1 1 10
Frequency (kHz)
Spurious Free Dynamic Range
Signal-to-Noise Ratio
TOTAL HARMONIC DISTORTION vs FREQUENCY
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
Total Harmonic Distortion (dB)
0.1 1 10
Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION)
vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
Signal-to-(Noise + Distortion) (dB)
0.1 1 10
Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION) vs INPUT LEVEL
80
70
60
50
40
30
20
10
0
Signal-to-(Noise + Distortion) (dB)
–40 –35 –30 –25 –20 –15 –10 –5 0
Input Level (dB)