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AD9858
Rev. C | Page 3 of 32
ELECTRICAL SPECIFICATIONS
Unless otherwise noted, VDD = 3.3 V ± 5%, CPVDD = 5 V ± 5%, RSET = 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
1Reference 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
AVDD – 1.5
AVDD + 0.5
V
Wideband SFDR (DC to Nyquist)
26 MHz fOUT
Full
V
70
dBc
65 MHz fOUT
Full
V
66
dBc
126 MHz fOUT
Full
V
62
dBc
375 MHz fOUT
Full
V
58
dBc
180 MHz fOUT (700 MHz REFCLK)
Full
IV
52
dBc
40 MHz fOUT (±15 MHz)
Full
V
82
dBc
40 MHz fOUT (±1 MHz)
Full
V
87
dBc
40 MHz fOUT (±50 kHz)
Full
V
88
dBc
100 MHz fOUT (±15 MHz)
Full
V
81
dBc
100 MHz fOUT (±1 MHz)
Full
V
82
dBc
100 MHz fOUT (±50 kHz)
Full
V
86
dBc
180 MHz fOUT (±15 MHz)
Full
V
74
dBc
180 MHz fOUT (±1 MHz)
Full
V
84
dBc
180 MHz fOUT (±50 kHz)
Full
V
85
dBc
360 MHz fOUT (±15 MHz)
Full
V
75
dBc
360 MHz fOUT (±1 MHz)
Full
V
85
dBc
360 MHz fOUT (±50 kHz)
Full
V
86
dBc
180 MHz fOUT (±15 MHz, 700 MHz REFCLK)
Full
V
65
dBc
180 MHz fOUT (±1 MHz, 700 MHz REFCLK)
Full
V
80
dBc
180 MHz fOUT (±50 kHz, (700 MHz REFCLK)
Full
V
84
dBc
OUTPUT PHASE NOISE CHARACTERISTICS (AT 103 MHz IOUT)
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 IOUT)
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