ADS5232 Datasheet, PDF (6/29 Pages) Texas Instruments – Dual, 12-Bit, 65MSPS, +3.3V Analog-to-Digital Converter

ADS5232
SBAS294A – JUNE 2004 – REVISED MARCH 2006
www.ti.com
AC CHARACTERISTICS
T_MIN = –40°C and T_MAX = +85°C. Typical values are at T_A = +25°C, clock frequency = maximum specified, 50% clock duty
cycle, AVDD = 3.3V, VDRV = 3.3V, –1dBFS, I_SET = 56.2kΩ, and internal voltage reference, unless otherwise noted.
ADS5242
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
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
Crosstalk
f_IN = 5MHz
f_IN = 32.5MHz
f_IN = 70MHz
f_IN = 5MHz
f_IN = 32.5MHz
f_IN = 70MHz
f_IN = 5MHz
f_IN = 32.5MHz
f_IN = 70MHz
f_IN = 5MHz
f_IN = 32.5MHz
f_IN = 70MHz
f_IN = 5MHz
f_IN = 32.5MHz
f_IN = 70MHz
5MHz Full-Scale Signal Applied to 1 Channel;
Measurement Taken on the Channel with No Input Signal
75
82
75
68
67.5
86
85
83
92
87
85
86
85
83
70.7
69.5
67.5
70.3
69
67
–85
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBc
IMD3
Two-Tone, Third-Order
Intermodulation Distortion
f₁ = 4MHz at –7dBFS
f₂ = 5MHz at –7dBFS
90.9
dBFS
6
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