ADS5400_1 Datasheet, PDF (27/48 Pages) Texas Instruments – 12-Bit, 1-GSPS Analog-to-Digital Converter

ADS5400
www.ti.com
SLAS611B – OCT 2009 – REVISED MARCH 2010
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
vs
INPUT AMPLITUDE
(747.5-MHz AND 752.5-MHz TWO-TONE INPUT SIGNAL)
AC PERFORMANCE
vs
INPUT AMPLITUDE
(1197.5-MHz AND 1202.5-MHz TWO-TONE INPUT SIGNAL)
120
120
2F1−F2 (dBFS)
2F2−F1 (dBFS)
2F2−F1 (dBFS)
2F1−F2 (dBFS)
100
100
80 _{Worst Spur (dBFS)}
60
80 _{Worst Spur (dBFS)}
60
40
Worst Spur (dBc)
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
G020
Figure 16.
SFDR
vs
AVDD5 ACROSS TEMPERATURE
80
T_A = 0°C _{TA = 25°C}
T_A = −20°C
78
76
74
T_A = −40°C
72 _{TA = 100°C TA = 85°C}
T_A = 55°C
f_IN = 100.33 MHz
f_S = 1 GSPS
70
4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
AVDD − Supply Voltage − V
G008
Figure 18.
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
G021
Figure 17.
60.0
59.5
SNR
vs
AVDD5 ACROSS TEMPERATURE
T_A = −20°C
T_A = −40°C
T_A = 0°C
59.0
58.5
58.0
T_A = 25°C
T_A = 55°C
T_A = 85°C
57.5
T_A = 100°C
f_IN = 100.33 MHz
f_S = 1 GSPS
57.0
4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4
AV_DD − Supply Voltage − V
Figure 19.
5.5
G009
Copyright © 2009–2010, Texas Instruments Incorporated
27
Product Folder Link(s): ADS5400