参数资料
型号: AD9575ARUZPEC
厂商: Analog Devices Inc
文件页数: 12/16页
文件大小: 0K
描述: IC PLL CLOCK GEN 25MHZ 16TSSOP
标准包装: 96
系列: PCI Express® (PCIe)
类型: 扇出缓冲器(分配),网络时钟发生器
PLL:
主要目的: PCI Express(PCIe)
输入: 晶体
输出: LVCMOS,LVDS,LVPECL
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 无/是
频率 - 最大: 312.5MHz
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
AD9575
Rev. A | Page 5 of 16
OUTPUT FREQUENCY SELECT
Minimum (min) and maximum (max) values are given over the full VS and TA (40°C to +85°C) variation.
Table 4.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
Select Pins (SEL0/SEL1)
Logic 1 Voltage
0.83 × VS + 0.2
V
Logic 0 Voltage
0.33 × VS 0.2
V
Logic 1 Current
190
μA
Pull-up to VS
Logic 0 Current
150
μA
Pull-down to GND
CLOCK OUTPUTS
Typical (typ) values are given for VS = 3.3 V ± 10%, TA = 25°C, unless otherwise noted. Minimum (min) and maximum (max) values are
given over the full VS and TA (40°C to +85°C) variation.
Table 5.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
LVDS CLOCK OUTPUT
Termination = 100 Ω differential; default
Output Frequency
312.5
MHz
Differential Output Voltage (VOD)
250
340
450
mV
See Figure 2 for definition
Delta VOD
25
mV
Output Offset Voltage (VOS)
1.125
1.25
1.375
V
Delta VOS
25
mV
Short-Circuit Current (ISA, ISB)
14
24
mA
Output shorted to GND
Duty Cycle
45
50
55
%
LVPECL CLOCK OUTPUT
Output Frequency
312.5
MHz
Output High Voltage (VOH)
VS 1.5
VS 1.05
VS 0.8
V
Output Low Voltage (VOL)
VS 2.5
VS 1.75
VS 1.7
V
Differential Output Voltage (VOD)
430
640
800
mV
See Figure 2 for definition
Duty Cycle
45
50
55
%
LVCMOS CLOCK OUTPUT
Output Frequency
62.5
MHz
Output High Voltage (VOH)
VS 0.1
V
Output Low Voltage (VOL)
0.1
V
Duty Cycle
45
50
55
%
TIMING CHARACTERISTICS
Table 6.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
LVDS
Termination = 100 Ω differential; CLOAD = 0 pF;
CAC = 0.1 μF
Output Rise Time, tRL
150
200
300
ps
20% to 80%, measured differentially
Output Fall Time, tFL
150
200
300
ps
80% to 20%, measured differentially
LVPECL
Termination = 200 Ω to GND; CLOAD = 0 pF;
CAC = 0.1 μF
Output Rise Time, tRL
180
250
300
ps
20% to 80%, measured differentially
Output Fall Time, tFL
180
250
300
ps
80% to 20%, measured differentially
LVCMOS
Termination = 50 Ω to 0 V; CLOAD = 5 pF;
CAC = 0.1 μF
Output Rise Time, tRC
0.50
0.70
1.10
ns
20% to 80%
Output Fall Time, tFC
0.50
0.70
1.10
ns
80% to 20%
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