ADS7816U Datasheet, PDF (5/23 Pages) Texas Instruments – 12-Bit High Speed Micro Power Sampling ANALOG-TO-DIGITAL CONVERTER

TYPICAL PERFORMANCE CURVES (CONT)
At T_A = +25°C, V_CC = +5V, V_REF = +5V, f_SAMPLE = 200kHz, and f_CLK = 16 • f_SAMPLE, unless otherwise specified.
POWER SUPPLY REJECTION vs RIPPLE FREQUENCY
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
1
10
100
1000
Ripple Frequency (kHz)
10000
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
FREQUENCY SPECTRUM
(2048 Point FFT; f_IN = 9.9kHz, –0.5dB)
25
50
75
100
Frequency (kHz)
100
90
80
70
60
50
40
30
20
10
0
1
SPURIOUS FREE DYNAMIC RANGE and
SIGNAL-TO-NOISE RATIO vs FREQUENCY
Spurious Free Dynamic Range
Signal-to-Noise Ratio
10
100
Frequency (kHz)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
1
TOTAL HARMONIC DISTORTION vs FREQUENCY
10
100
Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION) vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
1
10
100
Frequency (kHz)
SIGNAL-TO-(NOISE + DISTORTION) vs INPUT LEVEL
80
70
60
50
40
30
20
10
0
–40 –35 –30 –25 –20 –15 –10 –5 0
Input Level (dB)
®
5
ADS7816