參數(shù)資料
型號(hào): AD9957_07
廠商: Analog Devices, Inc.
英文描述: 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC
中文描述: 1 GSPS的正交數(shù)字上變頻器與18位智商數(shù)據(jù)路徑和14位DAC
文件頁(yè)數(shù): 4/60頁(yè)
文件大?。?/td> 840K
代理商: AD9957_07
AD9957
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
AVDD (1.8V) and DVDD (1.8V) = 1.8 V ± 5%, AVDD (3.3V) = 3.3 V ± 5%, DVDD_I/O = 3.3 V ± 5%, T = 25°C, R
SET
= 10 kΩ,
I
OUT
= 20 mA, external reference clock frequency = 1000 MHz with REFCLK multiplier disabled, unless otherwise noted.
Rev. 0 | Page 4 of 60
Table 1.
Parameter
REF_CLK INPUT CHARACTERISTICS
Frequency Range
REFCLK Multiplier
Maximum REFCLK Input Divider Frequency
Minimum REFCLK Input Divider Frequency
External Crystal
Input Capacitance
Input Impedance (Differential)
Input Impedance (Single-Ended)
Duty Cycle
REF_CLK Input Level
REFCLK MULTIPLIER VCO GAIN CHARACTERISTICS
VCO Gain (K
V
) @ Center Frequency
REFCLK_OUT CHARACTERISTICS
Maximum Capacitive Load
Maximum Frequency
DAC OUTPUT CHARACTERISTICS
Full-Scale Output Current
Gain Error
Output Offset
Differential Nonlinearity
Integral Nonlinearity
Output Capacitance
Residual Phase Noise
REFCLK Multiplier
AC Voltage Compliance Range
SPURIOUS-FREE DYNAMIC RANGE (SFDR SINGLE TONE)
f
OUT
= 20.1 MHz
f
OUT
= 98.6 MHz
f
OUT
= 201.1 MHz
f
OUT
= 397.8 MHz
Test Conditions/Comments
Disabled
Enabled
Full temperature range
Full temperature range
REFCLK multiplier disabled
REFCLK multiplier enabled
Single-ended
Differential
VCO0 range setting
VCO1 range setting
VCO2 range setting
VCO3 range setting
VCO4 range setting
VCO5 range setting
2
@ 1 kHz Offset, 20 MHz A
OUT
Disabled
Enabled @ 20×
Enabled @ 100×
Min
25
3.2
1500
45
40
50
100
8.6
10
0.5
Typ
1900
25
25
3
2.8
1.4
429
500
555
750
789
850
20
25
20
0.8
1.5
5
152
140
140
70
69
61
54
Max
1000
1
60
35
55
60
1000
2000
31.6
+10
2.3
+0.5
Unit
MHz
MHz
MHz
MHz
MHz
pF
%
%
mV p-p
mV p-p
MHz/V
MHz/V
MHz/V
MHz/V
MHz/V
MHz/V
pF
MHz
mA
%FS
μA
LSB
LSB
pF
dBc/Hz
dBc/Hz
dBc/Hz
V
dBc
dBc
dBc
dBc
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