參數(shù)資料
型號: AD9959
廠商: Analog Devices, Inc.
元件分類: XO, clock
英文描述: 4 Channel 500MSPS DDS with 10-bit DACs
中文描述: DDS的4通道500MSPS的10位DAC
文件頁數(shù): 2/9頁
文件大?。?/td> 225K
代理商: AD9959
AD9959
Preliminary Technical Data
AD9959—SPECIFICATIONS
Table 1. Unless otherwise noted, AVDD,
DVDD = 1.8 V ± 5%, DVDD_I/O = 3.3 V ± 5%, R
SET
= 1.96 k, External Reference Clock
Frequency = 500 MSPS (REF_CLK multiplier bypassed)
Min
Rev. PrB | Page 2 of 9
Parameter
Typ
Max
Units
Test Conditions/Comments
REF CLOCK INPUT CHARACTERISTICS
REF_CLK inputs must be AC
coupled due to internal biasing
Frequency Range
REF_CLK Multiplier bypassed
REF_CLK Multiplier enabled at 4x(min)
REF_CLK Multiplier enabled at 20x(max)
Internal VCO range w/ REF_CLK multiplier enabled
Crystal REF_CLK source mode
Input Power Sensitivity
Input voltage level
Input Capacitance
Input Impedance
Duty Cycle w/ REF_CLK Multiplier bypassed
Duty Cycle w/ REF_CLK Multiplier enabled
CLK Mode Select logic 1 Voltage
CLK Mode Select logic 0 Voltage
0
25
5
100
20
-15
35
1.25
500
125
25
500
30
3
65
0.6
MHz
MHz
MHz
MHz
MHz
dBm
mV
pF
ohms
%
%
V
V
External 50 ohm termination
400
3
1500
50
Not a 3.3V digital input
Not a 3.3V digital input
DAC OUTPUT CHARACTERISTICS
Must be referenced to AVDD
Resolution
Full Scale Ouput Current
Gain Error
Output Offset
Differential Nonlinearity
Integral Nonlinearity
Output Capactiance
10
10
0.6
0.5
1
AVDD
+ 0.50
2
Bits
mA
%FS
uA
LSB
LSB
pF
10
5
-10
-0.5
-1
AVDD–
0.50
Voltage Compliance Range
V
Channel to Channel Isolation
Channel to Channel amplitude matching error
60
dB
%
WIDEBAND SFDR
Wideband SFDR defined as DC to
Nyquist
1-20 MHz Analog Out
20-60 MHz Analog Out
60-100 MHz Analog Out
100-150 MHz Analog Out
150-200 MHz Analog Out
-65
-62
-59
-56
-54
dBc
dBc
dBc
dBc
dBc
NARROWBAND SFDR
1.1 MHz Analog Out (+/- 10kHz)
1.1 MHz Analog Out (+/- 50kHz)
1.1 MHz Analog Out (+/- 250kHz)
1.1 MHz Analog Out (+/- 1MHz)
15.1 MHz Analog Out (+/- 10kHz)
15.1 MHz Analog Out (+/- 50kHz)
15.1 MHz Analog Out (+/- 250kHz)
15.1 MHz Analog Out (+/- 1MHz)
-90
-88
-86
-85
-90
-87
-85
-83
-90
-87
-84
-82
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
40.1 MHz Analog Out (+/- 10kHz)
40.1 MHz Analog Out (+/- 50kHz)
40.1 MHz Analog Out (+/- 250kHz)
40.1 MHz Analog Out (+/- 1MHz)
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