Datasheet

AD9709
Rev. B | Page 4 of 32
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.
Parameter Min Typ Max Unit
DYNAMIC PERFORMANCE
Maximum Output Update Rate (f
CLK
) 125 MSPS
Output Settling Time (t
ST
) to 0.1%
1
35 ns
Output Propagation Delay (t
PD
) 1 ns
Glitch Impulse 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
CLK
= 100 MSPS, f
OUT
= 1.00 MHz
0 dBFS Output 63 68 dBc
–6 dBFS Output 62 dBc
–12 dBFS Output 56 dBc
–18 dBFS Output 50 dBc
f
CLK
= 65 MSPS, f
OUT
= 1.00 MHz 68 dBc
f
CLK
= 65 MSPS, f
OUT
= 2.51 MHz 68 dBc
f
CLK
= 65 MSPS, f
OUT
= 5.02 MHz 66 dBc
f
CLK
= 65 MSPS, f
OUT
= 14.02 MHz 60 dBc
f
CLK
= 65 MSPS, f
OUT
= 25 MHz 50 dBc
f
CLK
= 125 MSPS, f
OUT
= 25 MHz 63 dBc
f
CLK
= 125 MSPS, f
OUT
= 40 MHz 55 dBc
Signal to Noise and Distortion Ratio
f
CLK
= 50 MHz, f
OUT
= 1 MHz 50 dB
Total Harmonic Distortion
f
CLK
= 100 MSPS, f
OUT
= 1.00 MHz −67 −63 dBc
f
CLK
= 50 MSPS, f
OUT
= 2.00 MHz −63 dBc
f
CLK
= 125 MSPS, f
OUT
= 4.00 MHz −63 dBc
f
CLK
= 125 MSPS, f
OUT
= 10.00 MHz −63 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 58 dBc
–6 dBFS Output 51 dBc
–12 dBFS Output 46 dBc
–18 dBFS Output 41 dBc
Channel Isolation
f
CLK
= 125 MSPS, f
OUT
= 10 MHz 85 dBc
f
CLK
= 125 MSPS, f
OUT
= 40 MHz 77 dBc
1
Measured single-ended into 50 Ω load.