ADS62P49_1 Datasheet, PDF (8/77 Pages) Texas Instruments – Dual Channel 14-/12-Bit, 250-/210-MSPS ADC With DDR LVDS and Parallel CMOS Outputs

ADS62P49 / ADS62P29
ADS62P48 / ADS62P28
SLAS635A – APRIL 2009 – REVISED JUNE 2009............................................................................................................................................................. www.ti.com
ELECTRICAL CHARACTERISTICS – ADS62P49/48
Typical values are at 25°C, AVDD = 3.3V, DRVDD = 1.8V, 50% clock duty cycle, –1dBFS differential analog input, 0 dB gain,
internal reference mode (unless otherwise noted).
Min and max values are across the full temperature range T_MIN = –40°C to T_MAX = 85°C, AVDD = 3.3V, DRVDD = 1.8V
PARAMETER
TEST CONDITIONS
ADS62P49/ADS62P29
250 MSPS
MIN
TYP MAX
ADS62P48/ADS62P28
210 MSPS
MIN TYP MAX
UNIT
Fin= 20 MHz
89
85
SFDR
Spurious Free Dynamic Range
Fin = 60 MHz
Fin = 100 MHz
Fin = 170 MHz
85
78
71
75
85
80
dBc
71
77
Fin = 230 MHz
77
72
Fin= 20 MHz
98
98
SFDR
Spurious Free Dynamic Range,
excluding HD2,HD3
Fin = 60 MHz
Fin = 100 MHz
Fin = 170 MHz
95
92
77
90
95
92
dBc
78
91
Fin = 230 MHz
90
90
Fin= 20 MHz
93
95
HD2
Second Harmonic Distortion
Fin = 60 MHz
Fin = 100 MHz
Fin = 170 MHz
90
90
71
85
94
90
dBc
71
88
Fin = 230 MHz
85
80
Fin= 20 MHz
89
85
HD3
Third Harmonic Distortion
Fin = 60 MHz
Fin = 100 MHz
Fin = 170 MHz
85
78
71
75
85
80
dBc
71
77
Fin = 230 MHz
77
72
Fin= 20 MHz
87
83.5
THD
Total harmonic distortion
Fin = 60 MHz
Fin = 100 MHz
Fin = 170 MHz
83.5
84.6
77.5
79.7
dBc
70
74
70.5 76.5
Fin = 230 MHz
75
71
F1 = 46 MHz, F2 = 50 MHz,
each tone at –7 dBFS
87
IMD
2-Tone Inter-modulation Distortion
F1 = 185 MHz, F2 = 190
MHz,
85
each tone at –7 dBFS
91
dBFS
84.5
Cross-talk
Up to 200-MHz cross-talk
frequency
90
90
dB
Recovery to within 1% (of final
Input overload recovery
value) for 6-dB overload with
1
sine wave input
1
Clock
Cycles
PSRR
AC Power supply rejection ratio
For 100-mV pp signal on
AVDD supply
25
25
dB
8
Submit Documentation Feedback
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): ADS62P49 / ADS62P29 ADS62P48 / ADS62P28