Datasheet

Data Sheet AD9235
Rev. D | Page 5 of 40
t
A
t
PD
= 6.0ns MAX
2.0ns MIN
N–9 N–8 N–7 N–6 N–5 N–4 N–3 N–2 N–1
N
ANALOG
INPUT
CLK
DATA
OUT
N
–1
N
N+1
N+2
N+3
N+4
N+5
N+6
N+7
N+8
02461-002
Figure 2. Timing Diagram
AC SPECIFICATIONS
AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, 2 V p-p differential input, A
IN
= –0.5 dBFS, 1.0 V internal reference, T
MIN
to T
MAX
,
unless otherwise noted.
Table 4.
AD9235BRU/BCP-20 AD9235BRU/BCP-40 AD9235BRU/BCP-65
Parameter Temp Test Level Min Typ Max Min Typ Max Min Typ Max Unit
SIGNAL-TO-NOISE RATIO
f
INPUT
= 2.4 MHz 25°C V 70.8 70.6 70.5 dBc
f
INPUT
= 9.7 MHz
Full
IV
70.0
70.4
dBc
25°C I 70.6 dBc
f
INPUT
= 19.6 MHz Full IV 69.9 70.3 dBc
25°C I 70.4 dBc
f
INPUT
= 32.5 MHz Full IV 68.7 69.7 dBc
25°C I 70.1 dBc
f
INPUT
= 100 MHz 25°C V 68.7 68.5 68.3 dBc
SIGNAL-TO-NOISE RATIO
AND DISTORTION
f
INPUT
= 2.4 MHz
25°C
V
70.6
70.5
70.4
dBc
f
INPUT
= 9.7 MHz Full IV 69.9 70.3 dBc
25°C I 70.5 dBc
f
INPUT
= 19.6 MHz Full IV 69.7 70.2 dBc
25°C I 70.3 dBc
f
INPUT
= 32.5 MHz Full IV 68.3 69.5 dBc
25°C I 69.9 dBc
f
INPUT
= 100 MHz 25°C V 68.6 68.3 67.8 dBc
TOTAL HARMONIC DISTORTION
f
INPUT
= 2.4 MHz 25°C V –88.0 –89.0 –87.5 dBc
f
INPUT
= 9.7 MHz Full IV –86.0 –79.0 dBc
25°C I –87.4 dBc
f
INPUT
= 19.6 MHz Full IV –85.5 –79.0 dBc
25°C I –86.0 dBc
f
INPUT
= 32.5 MHz Full IV –81.8 –74.0 dBc
25°C I –82.0 dBc
f
INPUT
= 100 MHz 25°C V –84.0 –82.5 –78.0 dBc
WORST HARMONIC
(SECOND OR THIRD)
f
INPUT
= 9.7 MHz Full IV –90.0 –80.0 dBc
f
INPUT
= 19.6 MHz Full IV –90.0 –80.0 dBc
f
INPUT
= 32.5 MHz Full IV –83.5 –74.0 dBc