Datasheet

REV. B
–3–
AD9755
DYNAMIC SPECIFICATIONS
Parameter Min Typ Max Unit
DYNAMIC PERFORMANCE
Maximum Output Update Rate (f
DAC
) 300 MSPS
Output Settling Time (t
ST
) (to 0.1%)
1
11 ns
Output Propagation Delay (t
PD
)
1
1ns
Glitch Impulse
1
5 pV-s
Output Rise Time (10% to 90%)
1
2.5 ns
Output Fall Time (90% to 10%)
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
DAC
= 100 MSPS; f
OUT
= 1.00 MHz
0 dBFS Output 74 84 dBc
–6 dBFS Output 77 dBc
–12 dBFS Output 79 dBc
f
DATA
= 65 MSPS; f
OUT
= 1.1 MHz
2
79 dBc
f
DATA
= 65 MSPS; f
OUT
= 5.1 MHz
2
79 dBc
f
DATA
= 65 MSPS; f
OUT
= 10.1 MHz
2
78 dBc
f
DATA
= 65 MSPS; f
OUT
= 20.1 MHz
2
74 dBc
f
DATA
= 65 MSPS; f
OUT
= 30.1 MHz
2
70 dBc
f
DAC
= 160 MSPS; f
OUT
= 1.1 MHz 80 dBc
f
DAC
= 160 MSPS; f
OUT
= 11.1 MHz 77 dBc
f
DAC
= 160 MSPS; f
OUT
= 31.1 MHz 72 dBc
f
DAC
= 160 MSPS; f
OUT
= 51.1 MHz 72 dBc
f
DAC
= 160 MSPS; f
OUT
= 71.1 MHz 69 dBc
f
DAC
= 300 MSPS; f
OUT
= 1.1 MHz 80 dBc
f
DAC
= 300 MSPS; f
OUT
= 26.1 MHz 71 dBc
f
DAC
= 300 MSPS; f
OUT
= 51.1 MHz 67 dBc
f
DAC
= 300 MSPS; f
OUT
= 101.1 MHz 61 dBc
f
DAC
= 300 MSPS; f
OUT
= 141.1 MHz 60 dBc
Spurious-Free Dynamic Range within a Window
f
DAC
= 100 MSPS; f
OUT
= 1 MHz; 2 MHz Span
0 dBFS Output 83.5 93 dBc
f
DAC
= 65 MSPS; f
OUT
= 5.02 MHz; 2 MHz Span 85 dBc
f
DAC
= 150 MSPS; f
OUT
= 5.04 MHz; 4 MHz Span 85 dBc
Total Harmonic Distortion
f
DAC
= 100 MSPS; f
OUT
= 1.00 MHz
T
A
= 25°C –83 –73 dBc
T
MIN
to T
MAX
–83 –71 dBc
f
DAC
= 65 MHz; f
OUT
= 2.00 MHz –78 dBc
f
DAC
= 160 MHz; f
OUT
= 2.00 MHz –78 dBc
Multitone Power Ratio (Eight Tones at 110 kHz Spacing)
f
DAC
= 65 MSPS; f
OUT
= 2.00 MHz to 2.77 MHz
0 dBFS Output 75 dBc
–6 dBFS Output 73 dBc
–12 dBFS Output 70 dBc
NOTES
1
Measured single-ended into 50 Ω load.
2
Single Port Mode (PLL disabled, DIV0 = 1, DIV1 = 0, data on Port 1).
Specifications subject to change without notice.
(T
MIN
to T
MAX
, AVDD = 3.3 V, DVDD = 3.3 V, PLLVDD = 0 V, CLKVDD = 3.3 V, I
OUTFS
= 20 mA,
Differential Transformer-Coupled Output, 50 ⍀ Doubly Terminated, unless otherwise noted.)