参数资料
型号: ADCLK846/PCBZ
厂商: Analog Devices Inc
文件页数: 10/16页
文件大小: 0K
描述: BOARD EVALUATION FOR ADCLK846
设计资源: Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers (CN0121)
标准包装: 1
主要目的: 计时,时钟缓冲器 / 驱动器 / 接收器 / 变换器
已用 IC / 零件: ADCLK846
主要属性: 6 LVDS/12 CMOS 输出
次要属性: CMOS,LVDS 输出
已供物品:
ADCLK846
Rev. B | Page 3 of 16
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Typical values are given for VS = 1.8 V and TA = 25°C, unless otherwise noted. Minimum and maximum values are given over the full
VS = 1.8 V ± 5% and TA = 40°C to +85°C variations, unless otherwise noted. Input slew rate > 1 V/ns, unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Conditions
CLOCK INPUTS
Differential input
Input Frequency
0
1200
MHz
Input Sensitivity, Differential
150
mV p-p
Jitter performance is improved with higher slew
rates (greater voltage swing)
Input Level
1.8
V p-p
Larger voltage swings can turn on the protection
diodes and can degrade jitter performance
Input Common-Mode Voltage
VCM
VS/2 0.1
VS/2 + 0.05
V
Inputs are self-biased; enables ac coupling
Input Common-Mode Range
VCMR
0.4
VS 0.4
V
Inputs are dc-coupled with 200 mV p-p signal
applied
Input Voltage Offset
30
mV
Input Sensitivity, Single-Ended
150
mV p-p
CLK ac-coupled; CLK ac-bypassed to ground
Input Resistance (Differential)
7
Input Capacitance
CIN
2
pF
Input Bias Current (Each Pin)
350
+350
μA
Full input swing
LVDS CLOCK OUTPUTS
Termination = 100 Ω; differential (OUTx, OUTx)
Output Frequency
1200
MHz
See Figure 9 for a swing vs. frequency plot
Differential Output Voltage
VOD
247
344
454
mV
ΔVOD
50
mV
Offset Voltage
VOS
1.125
1.25
1.375
V
ΔVOS
50
mV
Short-Circuit Current
ISA, ISB
3
6
mA
Each pin (output shorted to GND )
CMOS CLOCK OUTPUTS
Single-ended; termination = open
OUTx and OUTx in phase
Output Frequency
250
MHz
With 10 pF load each output; see Figure 16 for
swing vs. frequency
Output Voltage High
VOH
VS 0.1
V
At 1 mA load
VS 0.35
V
At 10 mA load
Output Voltage Low
VOL
0.1
V
At 1 mA load
0.35
V
At 10 mA load
Reference Voltage
VREF
Output Voltage
VS/2 0.1
VS/2
VS/2 + 0.1
V
±500 μA
Output Resistance
60
Ω
Output Current
500
μA
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