Datasheet

DYNAMIC SPECIFICATIONS
Parameter Min Typ Max Units
DYNAMIC PERFORMANCE
Maximum Output Update Rate (f
CLOCK
) 125 MSPS
Output Settling Time (t
ST
) (to 0.1%)
1
35 ns
Output Propagation Delay (t
PD
)1ns
Glitch Impulse 5 pV-s
Output Rise Time (10% to 90%)
1
2.5 ns
Output Fall Time (10% to 90%)
1
2.5 ns
Output Noise (I
OUTFS
= 20 mA) 50 pA/√Hz
Output Noise (I
OUTFS
= 2 mA) 30 pA/√Hz
AC LINEARITY
Spurious-Free Dynamic Range to Nyquist
f
CLOCK
= 25 MSPS; f
OUT
= 1.00 MHz
0 dBFS Output
T
A
= +25°C 75 86 dBc
–6 dBFS Output 86 dBc
–12 dBFS Output 78 dBc
f
CLOCK
= 50 MSPS; f
OUT
= 1.00 MHz 82 dBc
f
CLOCK
= 50 MSPS; f
OUT
= 2.51 MHz 81 dBc
f
CLOCK
= 50 MSPS; f
OUT
= 5.02 MHz 77 dBc
f
CLOCK
= 50 MSPS; f
OUT
= 20.2 MHz 63 dBc
f
CLOCK
= 100 MSPS; f
OUT
= 10 MHz 68 73 dBc
Spurious-Free Dynamic Range within a Window
f
CLOCK
= 25 MSPS; f
OUT
= 1.00 MHz; 2 MHz Span 84 93 dBc
f
CLOCK
= 50 MSPS; f
OUT
= 5.02 MHz; 2 MHz Span 86 dBc
f
CLOCK
= 100 MSPS; f
OUT
= 5.04 MHz; 4 MHz Span 86 dBc
Total Harmonic Distortion
f
CLOCK
= 25 MSPS; f
OUT
= 1.00 MHz
T
A
= +25°C –83 –75 dBc
f
CLOCK
= 50 MHz; f
OUT
= 2.00 MHz –78 dBc
f
CLOCK
= 100 MHz; f
OUT
= 2.00 MHz –78 dBc
Multitone Power Ratio (8 Tones at 110 kHz Spacing)
f
CLOCK
= 20 MSPS; f
OUT
= 2.00 MHz to 2.99 MHz
0 dBFS Output 85 dBc
–6 dBFS Output 84 dBc
–12 dBFS Output 87 dBc
–18 dBFS Output 88 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)
AD9754
–3–
REV. A