ADC31JB68 Datasheet, PDF (17/74 Pages) Texas Instruments – Single Channel 16-bit 500 Msps Analog to Digital Converter

www.ti.com
ADC31JB68
SLASE60A – SEPTEMBER 2015 – REVISED SEPTEMBER 2015
Typical Characteristics (continued)
Typical values at T_A = 25 °C, full temperature range is T_MIN = –40 °C to T_MAX = 85 °C, ADC Sampling Rate = 500 MSPS, 50%
clock duty cycle, V_A3.0 = 3.0 V, V_A1.8 = 1.8 V, V_A1.2 = V_ACLK1.2 = 1.2 V, –1 dBFS differential input (unless otherwise noted).
100
100
SNR [dBFS]
SNR [dBFS]
95
SINAD [dBFS]
95
SINAD [dBFS]
SFDR [dBFS]
SFDR [dBFS]
90
90
85
85
80
80
75
75
70
70
65
65
60
2.8 2.85 2.9 2.95 3 3.05 3.1 3.15 3.2
VA3.0 Supply Voltage [V]
Input Frequency = 210 MHz
60
1.7
1.75
1.8
1.85
1.9
VA1.8 Supply Voltage [V]
Input Frequency = 210 MHz
Figure 10. SNR, SINAD, SFDR vs. VA3.0 Supply
100
SNR [dBFS]
95
SINAD [dBFS]
SFDR [dBFS]
90
85
80
75
70
65
60
1.15
1.175
1.2
1.225
1.25
VA1.2 Supply Voltage [V]
Input Frequency = 210 MHz
Figure 11. SNR, SINAD, SFDR vs. VA1.8 Supply
100
SNR [dBFS]
95
SINAD [dBFS]
SFDR [dBFS]
90
85
80
75
70
65
60
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
Temperature [GC]
Input Frequency = 210 MHz
Figure 12. SNR, SINAD, SFDR vs. VA1.2 Supply
-60
HD2 [dBFS]
-65
HD3 [dBFS]
Non-HD2,HD3 [dBFS]
-70
THD [dBFS]
-75
-80
-85
-90
-95
-100
0
50 100 150 200 250 300 350 400 450 500
Input Frequency [MHz]
Figure 13. SNR, SINAD, SFDR vs. Temperature
-60
HD2 [dBFS]
-65
HD3 [dBFS]
-70
Non-HD2,HD3 [dBFS]
THD [dBFS]
-75
-80
-85
-90
-95
-100
-105
-110
-50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
Input Amplitude [dBFS]
Input Frequency = 210 MHz
Figure 14. HD2, HD3, SPUR, THD vs. Input Frequency
Figure 15. HD2, HD3, SPUR, THD vs. Input Amplitude
Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: ADC31JB68
Submit Documentation Feedback
17