Datasheet

AD9858
Rev. C | Page 3 of 32
ELECTRICAL SPECIFICATIONS
Unless otherwise noted, V
DD
= 3.3 V ± 5%, CPV
DD
= 5 V ± 5%, R
SET
= 2 kΩ, CPISET = 2.4 kΩ, reference clock frequency = 1 GHz.
Table 1.
Parameter Temp Test Level Min Typ Max Unit
REF CLOCK INPUT CHARACTERISTICS
1
Reference Clock Frequency Range (Divider Off) Full VI 10 1000 MHz
Reference Clock Frequency Range (Divider On) Full VI 20 2000 MHz
Duty Cycle at 1 GHz 25°C V 42 50 58 %
Input Capacitance 25°C V 3 pF
Input Impedance 25°C IV 1500 Ω
Input Sensitivity Full VI –20 +5 dBm
DAC OUTPUT CHARACTERISTICS
Resolution Full 10 Bits
Full-Scale Output Current Full 5 20 40 mA
Gain Error Full VI –10 +10 % FS
Output Offset Full VI 15 μA
Differential Nonlinearity Full VI 0.5 1 LSB
Integral Nonlinearity Full VI 1 1.5 LSB
Output Impedance Full VI 100 kΩ
Voltage Compliance Range Full VI AV
DD
– 1.5 AV
DD
+ 0.5 V
Wideband SFDR (DC to Nyquist)
26 MHz f
OUT
Full V 70 dBc
65 MHz f
OUT
Full V 66 dBc
126 MHz f
OUT
Full V 62 dBc
375 MHz f
OUT
Full V 58 dBc
180 MHz f
OUT
(700 MHz REFCLK) Full IV 52 dBc
Narrow-Band SFDR
2
40 MHz f
OUT
(±15 MHz) Full V 82 dBc
40 MHz f
OUT
(±1 MHz) Full V 87 dBc
40 MHz f
OUT
(±50 kHz) Full V 88 dBc
100 MHz f
OUT
(±15 MHz) Full V 81 dBc
100 MHz f
OUT
(±1 MHz) Full V 82 dBc
100 MHz f
OUT
(±50 kHz) Full V 86 dBc
180 MHz f
OUT
(±15 MHz) Full V 74 dBc
180 MHz f
OUT
(±1 MHz) Full V 84 dBc
180 MHz f
OUT
(±50 kHz) Full V 85 dBc
360 MHz f
OUT
(±15 MHz) Full V 75 dBc
360 MHz f
OUT
(±1 MHz) Full V 85 dBc
360 MHz f
OUT
(±50 kHz) Full V 86 dBc
180 MHz f
OUT
(±15 MHz, 700 MHz REFCLK) Full V 65 dBc
180 MHz f
OUT
(±1 MHz, 700 MHz REFCLK) Full V 80 dBc
180 MHz f
OUT
(±50 kHz, (700 MHz REFCLK) Full V 84 dBc
OUTPUT PHASE NOISE CHARACTERISTICS (AT 103 MHz I
OUT
)
At 1 kHz Offset Full V –147 dBc/Hz
At 10 kHz Offset Full V –150 dBc/Hz
At 100 kHz Offset Full V –152 dBc/Hz
OUTPUT PHASE NOISE CHARACTERISTICS (AT 403 MHz I
OUT
)
At 1 kHz Offset Full V –133 dBc/Hz
At 10 kHz Offset Full V –137 dBc/Hz
At 100 kHz Offset Full V –140 dBc/Hz