Datasheet

AD9211
Rev. 0 | Page 4 of 28
AC SPECIFICATIONS
1
AVDD = 1.8 V, DRVDD = 1.8 V, T
MIN
= −40°C, T
MAX
= +85°C, f
IN
= −1.0 dBFS, full scale = 1.25 V, DCS enabled, unless otherwise noted.
Table 2.
AD9211-200 AD9211-250 AD9211-300
Parameter
2
Temp Min Typ Max Min Typ Max Min Typ Max Unit
SNR
f
IN
= 10 MHz 25°C 59.0 59.5 58.9 59.4 58.6 59.2 dB
Full 58.9 58.7 57.5 dB
f
IN
= 70 MHz 25°C 58.9 59.3 58.8 59.3 58.5 59.1 dB
Full 58.8 58.7 57.0 dB
f
IN
= 170 MHz 25°C 58.5 59.0 58.5 59.0 58.3 58.7 dB
Full 58.4 58.4 57.0 dB
SINAD
f
IN
= 10 MHz 25°C 59.0 59.5 58.9 59.4 58.6 59.1 dB
Full 58.9 58.7 57.3 dB
f
IN
= 70 MHz 25°C 58.8 59.2 58.8 59.2 58.4 59.0 dB
Full 58.7 58.6 57.0 dB
f
IN
= 170 MHz 25°C 58.2 58.8 58.2 59.0 58.2 58.8 dB
Full 58.1 58.1 56.7 dB
EFFECTIVE NUMBER OF BITS (ENOB)
f
IN
= 10 MHz 25°C 9.8 9.7 9.7 Bits
f
IN
= 70 MHz 25°C 9.7 9.7 9.7 Bits
f
IN
= 170 MHz 25°C 9.6 9.7 9.6 Bits
WORST HARMONIC (Second or Third)
f
IN
= 10 MHz 25°C −85 −78 −86 −79 −80 −75 dBc
Full −78 −77 −70 dBc
f
IN
= 70 MHz 25°C −77 −75 −80 −76 −80 −74 dBc
Full −75 −74 −67 dBc
f
IN
= 170 MHz 25°C −77 −72 −79 −70 −80 −73 dBc
Full −72 −70 −67 dBc
WORST OTHER
(SFDR Excluding Second and Third)
f
IN
= 10 MHz 25°C −86 −82 −82 −80 −82 −75 dBc
Full −82 −77 −70 dBc
f
IN
= 70 MHz 25°C −83 −81 −82 −79 −80 −75 dBc
Full −81 −77 −71 dBc
f
IN
= 170 MHz 25°C −81 −74 −79 −77 −80 −75 dBc
Full −74 −75 −70 dBc
TWO-TONE IMD
140.2 MHz/141.3 MHz @ −7 dBFS 25°C −78 −87 −81 dBc
170.2 MHz/171.3 MHz @ −7 dBFS 25°C −86 −82 −82 dBc
ANALOG INPUT BANDWIDTH 25°C 700 700 700 MHz
1
All ac specifications tested by driving CLK+ and CLK− differentially.
2
See the AN-835 application note, Understanding High Speed ADC Testing and Evaluation, for a complete set of definitions and how these tests were completed.