ADS5263_15 Datasheet, PDF (20/84 Pages) Texas Instruments – Quad Channel 16-Bit, 100-MSPS High-SNR ADC

ADS5263
SLAS760D – MAY 2011 – REVISED NOVEMBER 2015
www.ti.com
Typical Characteristic – 16-Bit ADC Mode (continued)
All plots are at 25°C, AVDD = 3.3 V, LVDD = 1.8 V, maximum-rated sampling frequency, sine-wave input clock = 1.5 V_PP
differential clock amplitude, 50% clock duty cycle, –1 dBFS differential analog input, internal reference mode, 0 dB gain, 32k
point FFT (unless otherwise noted).
88
SNR
SFDR
87
86
85
90
Fin=3MHz
88
86
84
88
fIN = 3 MHz
86
84
3 V AVDD
3.1 V AVDD
3.2 V AVDD
3.3 V AVDD
3.4 V AVDD
3.5 V AVDD
3.6 V AVDD
84
82
82
83
80
80
82
78
78
81
76
80
1.4
1.45
1.5
1.55
Input Common Mode Voltage (V)
74
1.6
Figure 21. Performance vs Input Common-Mode Voltage
76
−40
−15
10
35
60
85
Free-Air Temperature (°C)
G016
Figure 22. SFDR Across Temperature vs AVDD Supply,
Sample Rate = 80 MSPS
88
87.5
fIN = 3 MHz
87
86.5
3 V AVDD
3.1 V AVDD
3.2 V AVDD
3.3 V AVDD
3.4 V AVDD
3.5 V AVDD
3.6 V AVDD
86
85.5
85
84.5
84
−40
−15
10
35
60
85
Free-Air Temperature (dB)
G017
Figure 23. SNR Across Temperature vs AVDD Supply,
Sample Rate = 80 MSPS
85
Fin=3MHz
84
83
82
81
3V AVDD
3.1V AVDD
3.2V AVDD
3.3V AVDD
3.4V AVDD
3.5V AVDD
3.6V AVDD
80
79
78
77
76
75
−40
−15
10
35
60
85
Free−Air Temperature (°C)
Figure 25. SFDR Across Temperature
Sample Rate = 100 MSPS
88
87.5
fIN = 3 MHz
86
SNR
SFDR
85
87
84
86.5
83
86
82
85.5
81
85
80
84.5
79
84
78
1.7
1.75
1.8
1.85
1.9
Digital Supply Voltage (LVDD) (V)
G018
Figure 24. Performance Across LVDD Supply Voltage,
Sample Rate = 80 MSPS
88
Fin=3MHz
87
86
85
3V AVDD
3.1V AVDD
3.2V AVDD
3.3V AVDD
3.4V AVDD
3.5V AVDD
3.6V AVDD
84
83
82
81
80
79
−40
−15
10
35
60
85
Free−Air Temperature (°C)
Figure 26. SNR Across Temperature
Sample Rate = 100 MSPS
20
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