5962-0924001VXC Datasheet, PDF (27/46 Pages) Texas Instruments – 12-Bit, 1-GSPS Analog-to-Digital Converter

ADS5400-SP
www.ti.com
SLAS669C – SEPTEMBER 2010 – REVISED AUGUST 2012
TYPICAL CHARACTERISTICS (continued)
Typical plots at T_A = 25°C, sampling rate = 1 GSPS, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V, DVDD3 = 3.3 V,
and 1.5-V_PP differential clock, (unless otherwise noted)
AC PERFORMANCE
AC PERFORMANCE
vs
vs
INPUT AMPLITUDE
INPUT AMPLITUDE
(747.5-MHz AND 752.5-MHz TWO-TONE INPUT SIGNAL)
120
2F2-F1 (dBFS)
2F1-F2 (dBFS)
(1197.5-MHz AND 1202.5-MHz TWO-TONE INPUT SIGNAL)
120
2F2-F1 (dBFS)
2F1-F2 (dBFS)
100
100
80
Worst Spur (dBFS)
60
80
Worst Spur (dBFS)
60
40 Worst Spur (dBc)
20
f_s = 1 GSPS,
f_IN1 = 747.5 MHz,
f_IN2 = 752.5 MHz
0
-87 -77 -67 -57 -47 -37 -27 -17 -7
Input Amplitude - dBFS
Figure 16.
SFDR
vs
AVDD5 ACROSS TEMPERATURE
74
T_A = 85°C
T_A = 0°C
T_A = 55°C
72
T_A = -20°C
T_A = 25°C
70
T_A = -55°C
T_A = 100°C
68
T_A = -40°C
66
f_IN = 100.33 MHz,
f_s = 1 GSPS
T_A = 125°C
64
4.7 4.8 4.9 5
5.1 5.2 5.3 5.4 5.5
AV_DD - Supply Voltage - V
Figure 18.
40 Worst Spur (dBc)
20
f_s = 1 GSPS,
f_IN1 = 1197.5 MHz,
f_IN2 = 1202.5 MHz
0
-87 -77 -67 -57 -47 -37 -27 -17 -7
Input Amplitude - dBFS
Figure 17.
SNR
vs
AVDD5 ACROSS TEMPERATURE
60
T_A = -40°C _{TA = -55°C}
T_A = -20°C
T_A = 25°C
59.5
59
T_A = 55°C
58.5
T_A = 85°C
T_A = 0°C
T_A = 100°C
T_A = 125°C
58
f_IN = 100.33 MHz,
f_s = 1 GSPS
57.5
4.7 4.8 4.9 5
5.1 5.2 5.3 5.4 5.5
AV_DD - Supply Voltage - V
Figure 19.
Copyright © 2010–2012, Texas Instruments Incorporated
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