参数资料
型号: AD9512/PCBZ
厂商: Analog Devices Inc
文件页数: 34/48页
文件大小: 0K
描述: BOARD EVAL FOR AD9512
设计资源: AD9512 Eval Brd BOM
AD9511/12 All Layers
AD9511/12 Schematics
AD9511/12 Gerber Files
标准包装: 1
主要目的: 计时,时钟分配
已用 IC / 零件: AD9512
已供物品:
AD9512
Rev. A | Page 4 of 48
SPECIFICATIONS
Typical (Typ) is given for VS = 3.3 V ± 5%; TA = 25°C, RSET = 4.12 kΩ, unless otherwise noted. Minimum (Min) and Maximum (Max)
values are given over full VS and TA (40°C to +85°C) variation.
CLOCK INPUTS
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
CLOCK INPUTS (CLK1, CLK2)1
Input Frequency
0
1.6
GHz
Input Sensitivity
1502
mV p-p
Jitter performance can be improved with higher slew
rates (greater swing).
Input Level
23
V p-p
Larger swings turn on the protection diodes and can
degrade jitter performance.
Input Common-Mode Voltage, VCM
1.5
1.6
1.7
V
Self-biased; enables ac coupling.
Input Common-Mode Range, VCMR
1.3
1.8
V
With 200 mV p-p signal applied; dc-coupled.
Input Sensitivity, Single-Ended
150
mV p-p
CLK2 ac-coupled; CLK2B ac bypassed to RF ground.
Input Resistance
4.0
4.8
5.6
Self-biased.
Input Capacitance
2
pF
1 CLK1 and CLK2 are electrically identical; each can be used as either differential or single-ended input.
2 With a 50 Ω termination, this is 12.5 dBm.
3 With a 50 Ω termination, this is +10 dBm.
CLOCK OUTPUTS
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
LVPECL CLOCK OUTPUTS
Termination = 50 Ω to VS 2 V
OUT0, OUT1, OUT2; Differential
Output level 3Dh (3Eh) (3Fh)<3:2> = 10b
Output Frequency
1200
MHz
Output High Voltage (VOH)
VS 1.22
VS 0.98
VS 0.93
V
Output Low Voltage (VOL)
VS 2.10
VS 1.80
VS 1.67
V
Output Differential Voltage (VOD)
660
810
965
mV
LVDS CLOCK OUTPUTS
Termination = 100 Ω differential; default
OUT3, OUT4; Differential
Output level 40h (41h)<2:1> = 01b
3.5 mA termination current
Output Frequency
800
MHz
Differential Output Voltage (VOD)
250
360
450
mV
Delta VOD
25
mV
Output Offset Voltage (VOS)
1.125
1.23
1.375
V
Delta VOS
25
mV
Short-Circuit Current (ISA, ISB)
14
24
mA
Output shorted to GND
CMOS CLOCK OUTPUTS
OUT3, OUT4
Single-ended measurements;
B outputs: inverted, termination open
Output Frequency
250
MHz
With 5 pF load each output; see Figure 16
Output Voltage High (VOH)
VS 0.1
V
@ 1 mA load
Output Voltage Low (VOL)
0.1
V
@ 1 mA load
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