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| ADS5242 Datasheet, PDF (6/29 Pages) Texas Instruments – 4-Channel, 12-Bit, 65MSPS Analog-to-Digital Converter with Serial LVDS Interface | |||
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ADS5242
SBAS330C â OCTOBER 2004 â REVISED OCTOBER 2005
www.ti.com
AC CHARACTERISTICS
TMIN = â40°C and TMAX = +85°C. Typical values are at TA = +25°C, clock frequency = maximum specified, 50% clock duty
cycle, AVDD = 3.3V, LVDD = 3.3V, â1dBFS, ISET = 56.2kâ¦, internal voltage reference, and LVDS buffer current at 3.5mA per
channel, unless otherwise noted.
PARAMETER
DYNAMIC CHARACTERISTICS
SFDR Spurious-Free Dynamic Range
HD2 2nd-Order Harmonic Distortion
HD3 3rd-Order Harmonic Distortion
SNR Signal-to-Noise Ratio
SINAD Signal-to-Noise and Distortion
ENOB Effective Number of Bits
Crosstalk
IMD3
Two-Tone, Third-Order
Intermodulation Distortion
CONDITIONS
ADS5242
MIN
TYP
MAX
UNITS
fIN = 1MHz
fIN = 5MHz
fIN = 10MHz
fIN = 20MHz
fIN = 1MHz
fIN = 5MHz
fIN = 10MHz
fIN = 20MHz
fIN = 1MHz
fIN = 5MHz
fIN = 10MHz
fIN = 20MHz
fIN = 1MHz
fIN = 5MHz
fIN = 10MHz
fIN = 20MHz
fIN = 1MHz
fIN = 5MHz
fIN = 10MHz
fIN = 20MHz
fIN = 5MHz
5MHz Full-Scale Signal Applied to 3 Channels;
Measurement Taken on the Channel with No Input Signal
f1 = 9.5MHz at â7dBFS
f2 = 10.2MHz at â7dBFS
77
84
77
69
68.5
11.1
88
85
85
85
98
95
95
92
88
85
85
85
71.1
71
70.8
70.1
70.9
70.8
70.6
69.9
11.5
â88
95
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
Bits
dBc
dBFS
6
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