AD9954(Rev0) データシートの表示（PDF） - Analog Devices
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AD9954 Datasheet PDF : 36 Pages
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AD9954
AD9954—ELECTRICAL SPECIFICATIONS
Table 1. Unless otherwise noted, AVDD, DVDD = 1.8 V ± 5%, DVDD_I/O = 3.3 V ± 5%, RSET = 3.92 kΩ, External Reference Clock
Frequency = 20 MHz with REFCLK Multiplier Enabled at 20×. DAC Output Must Be Referenced to AVDD, Not AGND.
Parameter
Test
Temp Level Min
Typ Max
Unit
REF CLOCK INPUT CHARACTERISTICS
Frequency Range
REFCLK Multiplier Disabled
REFCLK Multiplier Enabled at 4×
REFCLK Multiplier Enabled at 20×
Input Capacitance
FULL VI
1
FULL VI
20
FULL VI
4
25°C V
400
MHz
100
MHz
20
MHz
3
pF
Input Impedance
25°C V
1.5
kΩ
Duty Cycle
Duty Cycle with REFCLK Multiplier Enabled
REFCLK Input Power1
25°C V
50
%
25°C V
35
65
%
FULL IV
–15
0
+3
dBm
DAC OUTPUT CHARACTERISTICS
Resolution
Full Scale Output Current
Gain Error
Output Offset
14
Bits
25°C
5
10
15
mA
25°C I
–10
+10
%FS
25°C I
0.6
µA
Differential Nonlinearity
25°C V
1
LSB
Integral Nonlinearity
25°C V
2
LSB
Output Capacitance
Residual Phase Noise @ 1 kHz Offset, 40 MHz AOUT
REFCLK Multiplier Enabled @ 20×
REFCLK Multiplier Enabled @ 4×
REFCLK Multiplier Disabled
Voltage Compliance Range
25°C V
25°C V
25°C V
25°C V
25°C I
5
pF
AVDD – 0.5
–105
–115
–132
AVDD + 0.5
dBc/Hz
dBc/Hz
dBc/Hz
V
Wideband SFDR
1 MHz to 10 MHz Analog Out
10 MHz to 40 MHz Analog Out
40 MHz to 80 MHz Analog Out
80 MHz to 120 MHz Analog Out
120 MHz to 160 MHz Analog Out
Narrow Band SFDR
40 MHz Analog Out (±1 MHz)
25°C V
73
dBc
25°C V
67
dBc
25°C V
62
dBc
25°C V
58
dBc
25°C V
52
dBc
25°C V
87
dBc
40 MHz Analog Out (±250 kHz)
25°C V
89
dBc
40 MHz Analog Out (±50 kHz)
40 MHz Analog Out (±10 kHz)
80 MHz Analog Out (±1 MHz)
80 MHz Analog Out (±250 kHz)
80 MHz Analog Out (±50 kHz)
80 MHz Analog Out (±10 kHz)
25°C V
91
dBc
25°C V
93
dBc
25°C V
85
dBc
25°C V
87
dBc
25°C V
89
dBc
25°C V
91
dBc
120 MHz Analog Out (±1 MHz)
25°C V
83
dBc
120 MHz Analog Out (±250 kHz)
25°C V
85
dBc
120 MHz Analog Out (±50 kHz)
120 MHz Analog Out (±10 kHz)
160 MHz Analog Out (±1 MHz)
160 MHz Analog Out (±250 kHz)
160 MHz Analog Out (±50 kHz)
160 MHz Analog Out (±10 kHz)
25°C V
87
dBc
25°C V
89
dBc
25°C V
81
dBc
25°C V
83
dBc
25°C V
85
dBc
25°C V
87
dBc
Rev. 0 | Page 4 of 36
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