AD9857/PCB(Rev0) Просмотр технического описания (PDF) - Analog Devices
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AD9857/PCB Datasheet PDF : 31 Pages
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AD9857–SPECIFICATIONS (VS = 3.3 V ؎ 5%, RSET = 1.96 k⍀, External reference clock frequency = 10 MHz
with REFCLK Multiplier enabled at 20؋).
Parameter
Temp
Test
AD9857
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
Input Impedance
Duty Cycle
Duty Cycle with REFCLK Multiplier Enabled,
Voltage Mode
Duty Cycle, Current Mode
Full
VI
1
200
MHz
Full
VI
1
50
MHz
Full
VI
1
10
MHz
25°C
V
3
pF
25°C
V
100
MΩ
25°C
V
50
%
25°C
V
35
65
%
25°C
V
50
%
DAC OUTPUT CHARACTERISTICS
Resolution
Full-Scale Output Current
Gain Error
25°C
I
Output Offset
25°C
I
Differential Nonlinearity
25°C
V
Integral Nonlinearity
25°C
V
Output Capacitance
25°C
V
Residual Phase Noise @ 1 kHz Offset, 40 MHz AOUT
REFCLK Multiplier Enabled at 20×
25°C
V
REFCLK Multiplier at 4×
25°C
V
REFCLK Multiplier Disabled
25°C
V
Voltage Compliance Range
25°C
I
Wideband SFDR
1 MHz–20 MHz Analog Out
25°C
V
20 MHz–40 MHz Analog Out
25°C
V
40 MHz–60 MHz Analog Out
25°C
V
60 MHz–80 MHz Analog Out
25°C
V
Narrowband SFDR
10 MHz Analog Out (± 1 MHz)
25°C
V
10 MHz Analog Out (± 250 kHz)
25°C
V
10 MHz Analog Out (± 50 kHz)
25°C
V
10 MHz Analog Out (± 10 kHz)
25°C
V
65 MHz Analog Out (± 1 MHz)
25°C
V
65 MHz Analog Out (± 250 kHz)
25°C
V
65 MHz Analog Out (± 50 kHz)
25°C
V
65 MHz Analog Out (± 10 kHz)
25°C
V
80 MHz Analog Out (± 1 MHz)
25°C
V
80 MHz Analog Out (± 250 kHz)
25°C
V
80 MHz Analog Out (± 50 kHz)
25°C
V
80 MHz Analog Out (± 10 kHz)
25°C
V
14
5
10
20
8.5
0
2
1.6
2
5
–107
–123
–145
–0.5
+1.0
–75
–65
–62
–60
–87
–88
–92
–94
–86
–86
–86
–88
–85
–85
–85
–86
Bits
mA
% FS
µA
LSB
LSB
pF
dBc/Hz
dBc/Hz
dBc/Hz
V
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
MODULATOR CHARACTERISTICS (65 MHz AOUT)
(Input Data: 2.5 MS/s, QPSK, 4× Oversampled,
INV SINC ON, INV CIC ON))
I/Q Offset
25°C
IV
55
65
dB
Error Vector Magnitude
25°C
IV
0.4 1
%
INVERSE SINC FILTER (Variation in Gain from
DC to 80 MHz, Inverse SINC Filter ON
25°C
V
± 0.1
dB
SPURIOUS POWER (Off Channel, Measured in
Equivalent Bandwidth), Full-Scale Output
6.4 MHz Bandwidth
25°C
IV
–65
dBc
3.2 MHz Bandwidth
25°C
IV
–67
dBc
1.6 MHz Bandwidth
25°C
IV
–69
dBc
0.8 MHz Bandwidth
25°C
IV
–69
dBc
0.4 MHz Bandwidth
25°C
IV
–70
dBc
0.2 MHz Bandwidth
25°C
IV
–72
dBc
–2–
REV. 0
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