Datasheet

AD9433
Rev. A | Page 4 of 20
Test 105 MSPS 125 MSPS
Parameter Temp Level Min Typ Max Min Typ Max Unit
DIGITAL OUTPUTS
Logic 1 Voltage Full VI V
DD
− 0.05 V
DD
− 0.05 V
Logic 0 Voltage Full VI 0.05 0.05 V
Output Coding Twos complement or offset binary Twos complement or offset binary
1
Gain error and gain temperature coefficients are based on the ADC only (with a fixed 2.5 V external reference and a 2 V p-p differential analog input).
2
SFDR mode disabled (SFDR MODE = GND) for DNL and INL specifications.
3
Power dissipation measured with rated encode and a dc analog input (outputs static, I
VDD
= 0). I
VCC
and I
VDD
measured with 10.3 MHz analog input @ −0.5 dBFS.
AC SPECIFICATIONS
V
DD
= 3.3 V, V
CC
= 5 V; differential encode input, unless otherwise noted.
Table 2.
Test 105 MSPS 125 MSPS
Parameter Temp Level Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE
1
Signal-to-Noise Ratio (SNR) (Without Harmonics)
f
IN
= 10.3 MHz 25°C I 66.5 68.0 66.0 67.7 dB
f
IN
= 49 MHz 25°C I 65.5 67.5 64.0 66.0 dB
f
IN
= 70 MHz 25°C V 67.0 65.4 dB
f
IN
= 150 MHz 25°C V 65.4 62.0 dB
f
IN
= 250 MHz 25°C V 63.7 60.0 dB
Signal-to-Noise and Distortion (SINAD) Ratio
(with Harmonics)
f
IN
= 10.3 MHz 25°C I 66.0 68.0 65.0 67.0 dB
f
IN
= 49 MHz 25°C I 64.0 67.5 63.5 65.5 dB
f
IN
= 70 MHz 25°C V 66.9 64.5 dB
f
IN
= 150 MHz 25°C V 64.0 61.5 dB
f
IN
= 250 MHz 25°C V 61.2 57.7 dB
Effective Number of Bits (ENOB)
f
IN
= 10.3 MHz 25°C I 11.1 10.9 Bits
f
IN
= 49 MHz 25°C I 11.0 10.7 Bits
f
IN
= 70 MHz 25°C V 10.9 10.6 Bits
f
IN
= 150 MHz 25°C V 10.4 10.0 Bits
f
IN
= 250 MHz 25°C V 9.9 9.4 Bits
Second-Order and Third-Order Harmonic
Distortion
f
IN
= 10.3 MHz 25°C I −78 −85 −76 −85 dBc
f
IN
= 49 MHz 25°C I −73 −80 −72 −76 dBc
f
IN
= 70 MHz 25°C V −83 −78 dBc
f
IN
= 150 MHz 25°C V −72 −67 dBc
f
IN
= 250 MHz 25°C V −67 −65 dBc
Worst Other Harmonic or Spur (Excluding
Second-Order and Third-Order Harmonics)
f
IN
= 10.3 MHz 25°C I −88 −92 −84 −90 dBc
f
IN
= 49 MHz 25°C I −82 −89 −82 −87 dBc
f
IN
= 70 MHz 25°C V −87 −85 dBc
f
IN
= 150 MHz 25°C V −87 −84 dBc
f
IN
= 250 MHz 25°C V −85 −76 dBc
Two-Tone Intermodulation Distortion (IMD3)
f
IN1
= 49.3 MHz; f
IN2
= 50.3 MHz 25°C V −92 −90 dBc
f
IN1
= 150 MHz; f
IN2
= 151 MHz 25°C V −80 −76 dBc
1
SNR/harmonics based on an analog input voltage of −0.5 dBFS referenced to a 2 V full-scale input range. Harmonics are specified with the SFDR mode enabled
(SFDR MODE = 5 V). SNR/SINAD specified with the SFDR mode disabled (SFDR MODE = ground).