ADS5240
www.ti.com
SBAS326C–JUNE 2004–REVISED DECEMBER 2004
AC CHARACTERISTICS
TMIN = -40°C and TMAX = +85°C. Typical values are at TA = 25°C, clock frequency = 40MSPS, 50% clock duty cycle,
AVDD = 3.3V, LVDD = 3.3V differential, transformer coupled inputs, -1dBFS, ISET = 56.2kΩ, internal voltage reference, and
LVDS buffer current at 3.5mA per channel, unless otherwise noted.
ADS5240
PARAMETER
CONDITIONS
MIN
78
TYP
MAX UNITS
DYNAMIC CHARACTERISTICS
fIN = 1MHz
fIN = 5MHz
87
85
dBc
dBc
SFDR Spurious-Free Dynamic Range
HD2 2nd-Order Harmonic Distortion
HD3 3rd-Order Harmonic Distortion
SNR Signal-to-Noise Ratio
fIN = 10MHz
fIN = 1MHz
85
dBc
95
dBc
fIN = 5MHz
85
95
dBc
fIN = 10MHz
fIN = 1MHz
90
dBc
87
dBc
fIN = 5MHz
78
85
dBc
fIN = 10MHz
fIN = 1MHz
85
dBc
70.5
70.5
70
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBc
fIN = 5MHz
68
fIN = 10MHz
fIN = 1MHz
70
SINAD Signal-to-Noise and Distortion
IMD Two-Tone Intermodulation Distortion
fIN = 5MHz
67
70
fIN = 10MHz
f1 = 9.5MHz at -7dBFS
f2 = 10.2MHz at -7dBFS
fIN = 5MHz
69.5
-88
ENOB Effective Number of Bits
Crosstalk
11.3
-90
Bits
dBc
Signal Applied to 3 Channels; Measurement Taken
on the Channel with No Input Signal
5
BB [ BURR-BROWN CORPORATION ]
