Datasheet

DYNAMIC SPECIFICATIONS
Model AD9760 AD9760-50
Parameter Min Typ Max Min Typ Max Units
DYNAMIC PERFORMANCE
Maximum Output Update Rate (f
CLOCK
) 125 50 60 MSPS
Output Settling Time (t
ST
) (to 0.1%)
1
35 35 ns
Output Propagation Delay (t
PD
)11ns
Glitch Impulse 5 5 pV-s
Output Rise Time (10% to 90%)
1
2.5 2.5 ns
Output Fall Time (10% to 90%)
1
2.5 2.5 ns
Output Noise (I
OUTFS
= 20 mA) 50 50 pA/√Hz
Output Noise (I
OUTFS
= 2 mA) 30 30 pA/√Hz
AC LINEARITY
Spurious-Free Dynamic Range to Nyquist
f
CLOCK
= 50 MSPS; f
OUT
= 1.00 MHz
T
A
= +25°C 7073 6873 dBc
T
MIN
to T
MAX
68 66 dBc
f
CLOCK
= 50 MSPS; f
OUT
= 2.51 MHz 73 73 dBc
f
CLOCK
= 50 MSPS; f
OUT
= 5.02 MHz 68 68 dBc
f
CLOCK
= 50 MSPS; f
OUT
= 20.2 MHz 55 55 dBc
f
CLOCK
= 100 MSPS; f
OUT
= 2.51 MHz 74 N/A dBc
f
CLOCK
= 100 MSPS; f
OUT
= 5.04 MHz 68 N/A dBc
f
CLOCK
= 100 MSPS; f
OUT
= 20.2 MHz 60 N/A dBc
f
CLOCK
= 100 MSPS; f
OUT
= 40.4 MHz 52 N/A dBc
Spurious-Free Dynamic Range within a Window
f
CLOCK
= 50 MSPS; f
OUT
= 1.00 MHz
T
A
= +25°C 7478 7278 dBc
T
MIN
to T
MAX
72 70 dBc
f
CLOCK
= 50 MSPS; f
OUT
= 5.02 MHz; 2 MHz Span 76 76 dBc
f
CLOCK
= 100 MSPS; f
OUT
= 5.04 MHz; 4 MHz Span 76 N/A dBc
Total Harmonic Distortion
f
CLOCK
= 50 MSPS; f
OUT
= 1.00 MHz
T
A
= +25°C –76 –73 –76 –70 dBc
T
MIN
to T
MAX
–71 –68 dBc
f
CLOCK
= 50 MHz; f
OUT
= 2.00 MHz –71 –71 dBc
f
CLOCK
= 100 MHz; f
OUT
= 2.00 MHz –71 N/A dBc
NOTES
1
Measured single ended into 50 Ω load.
Specifications subject to change without notice.
(T
MIN
to T
MAX
, AVDD = +5 V, DVDD = +5 V, I
OUTFS
= 20 mA, Differential Transformer Coupled Output,
50 ⍀ Doubly Terminated, unless otherwise noted)
AD9760
–3–
REV. B