Datasheet
AD9763/AD9765/AD9767 Data Sheet
Rev. G | Page 6 of 44
DYNAMIC SPECIFICATIONS
T
MIN
to T
MAX
, AVDD = 3.3 V or 5 V, DVDD1 = DVDD2 = 3.3 V or 5 V, I
OUTFS
= 20 mA, differential transformer-coupled output, 50 Ω
doubly terminated, unless otherwise noted.
Table 2.
AD9763 AD9765 AD9767
Parameter Min Typ Max Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE
Maximum Output Update Rate (f
CLK
) 125 125 125 MSPS
Output Settling Time (t
ST
) to 0.1%
1
35 35 35 ns
Output Propagation Delay (t
PD
) 1 1 1 ns
Glitch Impulse 5 5 5 pV-s
Output Rise Time (10% to 90%)
1
2.5 2.5 2.5 ns
Output Fall Time (90% to 10%)
1
2.5 2.5 2.5 ns
Output Noise (I
OUTFS
= 20 mA) 50 50 50 pA/√Hz
Output Noise (I
OUTFS
= 2 mA) 30 30 30 pA/√Hz
AC LINEARITY
Spurious-Free Dynamic Range to Nyquist
f
CLK
= 100 MSPS, f
OUT
= 1.00 MHz
0 dBFS Output 69 78 70 81 71 82 dBc
–6 dBFS Output 74 77 77 dBc
–12 dBFS Output 69 72 73 dBc
–18 dBFS Output 61 70 70 dBc
f
CLK
= 65 MSPS, f
OUT
= 1.00 MHz 79 81 82 dBc
f
CLK
= 65 MSPS, f
OUT
= 2.51 MHz 78 79 80 dBc
f
CLK
= 65 MSPS, f
OUT
= 5.02 MHz 75 78 79 dBc
f
CLK
= 65 MSPS, f
OUT
= 14.02 MHz 66 68 70 dBc
f
CLK
= 65 MSPS, f
OUT
= 25 MHz 55 55 55 dBc
f
CLK
= 125 MSPS, f
OUT
= 25 MHz 67 67 67 dBc
f
CLK
= 125 MSPS, f
OUT
= 40 MHz 60 60 70 dBc
Spurious-Free Dynamic Range Within a Window
f
CLK
= 100 MSPS, f
OUT
= 1.00 MHz; 2 MHz Span 78 85 80 90 82 91 dBc
f
CLK
= 50 MSPS, f
OUT
= 5.02 MHz; 10 MHz Span 80 88 88 dBc
f
CLK
= 65 MSPS, f
OUT
= 5.03 MHz; 10 MHz Span 82 88 88 dBc
f
CLK
= 125 MSPS, f
OUT
= 5.04 MHz; 10 MHz Span 82 88 88 dBc
Total Harmonic Distortion
f
CLK
= 100 MSPS, f
OUT
= 1.00 MHz −77 −69 −80 –70 −81 −71 dBc
f
CLK
= 50 MSPS, f
OUT
= 2.00 MHz −77 −78 −79 dBc
f
CLK
= 125 MSPS, f
OUT
= 4.00 MHz −74 −75 −83 dBc
f
CLK
= 125 MSPS, f
OUT
= 10.00 MHz −72 −75 −80 dBc
Multitone Power Ratio (Eight Tones at 110 kHz Spacing)
f
CLK
= 65 MSPS, f
OUT
= 2.00 MHz to 2.99 MHz
0 dBFS Output 76 80 80 dBc
−6 dBFS Output 74 79 79 dBc
−12 dBFS Output 71 77 78 dBc
−18 dBFS Output 67 75 76 dBc
Channel Isolation
f
CLK
= 125 MSPS, f
OUT
= 10 MHz 85 85 85 dBc
f
CLK
= 125 MSPS, f
OUT
= 40 MHz 77 77 77 dBc
1
Measured single-ended into 50 Ω load.