参数资料
型号: AD9549ABCPZ
厂商: Analog Devices Inc
文件页数: 7/76页
文件大小: 0K
描述: IC CLOCK GEN/SYNCHRONIZR 64LFCSP
产品变化通告: AD9549A Mask Change 22/Oct/2010
标准包装: 1
类型: 时钟/频率发生器,同步器
PLL:
主要目的: 以太网,SONET/SDH,Stratum
输入: CMOS,LVDS,LVPECL
输出: CMOS,HSTL
电路数: 1
比率 - 输入:输出: 2:2
差分 - 输入:输出: 是/是
频率 - 最大: 750MHz
电源电压: 1.71 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘,CSP
供应商设备封装: 64-LFCSP-VQ(9x9)
包装: 托盘
产品目录页面: 776 (CN2011-ZH PDF)
AD9549
Rev. D | Page 15 of 76
06744-
012
0
200
400
600
800
FREQUENCY (MHz)
650
600
550
500
450
A
MPL
IT
U
D
E
(m
V)
NOM SKEW 25°C, 1.8V SUPPLY
SLOW SKEW 90°C, 1.7V SUPPLY
Figure 12. HSTL Output Driver Single-Ended Peak-to-Peak Amplitude vs.
Toggle Rate (100 Ω Across Differential Pair)
06744-
013
0
10
20
30
40
FREQUENCY (MHz)
2.5
2.0
1.5
1.0
0.5
0
A
MPL
IT
U
D
E
(V)
NOM SKEW 25°C, 1.8V SUPPLY (20pF)
SLOW SKEW 90°C, 1.7V SUPPLY (20pF)
Figure 13. CMOS Output Driver Peak-to-Peak Amplitude vs. Toggle Rate
(AVDD3 = 1.8 V) with 20 pF Load
06744-
014
0
50
100
150
FREQUENCY (MHz)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
A
MPL
IT
U
D
E
(V)
NOM SKEW 25°C, 3.3V SUPPLY (20pF)
SLOW SKEW 90°C, 3.0V SUPPLY (20pF)
Figure 14. CMOS Output Driver Peak-to-Peak Amplitude vs. Toggle Rate
(AVDD3 = 3.3 V) with 20 pF Load
06744-
015
0
0.5
1.0
1.5
2.0
2.5
TIME (ns)
0.4
0.6
0.2
0
–0.2
–0.4
–0.6
A
MPL
IT
U
D
E
(V)
FREQUENCY= 600MHz
TRISE (20→80%) = 104ps
TFALL (80→20%) = 107ps
V p-p = 1.17V DIFF.
DUTY CYCLE = 50%
Figure 15. Typical HSTL Output Waveform, Nominal Conditions,
DC-Coupled, Differential Probe Across 100 Ω load
06744-
016
0
20
40
60
80
100
TIME (ns)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–0.2
A
MPL
IT
U
D
E
(V)
FREQUENCY= 20MHz
TRISE (20→80%) = 5.5ns
TFALL (80→20%) = 5.9ns
V p-p = 1.8V
DUTY CYCLE = 53%
Figure 16. Typical CMOS Output Driver Waveform (@ 1.8 V),
Nominal Conditions, Estimated Capacitance: 5 pF
06744-
017
0
10
20
30
40
50
TIME (ns)
3.3
2.8
2.3
1.8
1.3
0.8
0.3
–0.2
A
MPL
IT
U
D
E
(V)
FREQUENCY= 40MHz
TRISE (20→80%) = 2.25ns
TFALL (80→20%) = 2.6ns
V p-p = 3.3V
DUTY CYCLE = 52%
Figure 17. CMOS Output Driver Waveform (@ 3.3 V), Nominal Conditions,
Estimated Capacitance: 5 pF, fOUT = 20 MHz
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