参数资料
型号: AD9549ABCPZ-REEL7
厂商: Analog Devices Inc
文件页数: 6/76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: 750
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: 带卷 (TR)
AD9549
Rev. D | Page 14 of 76
06744-
009
10
30
50
70
90
SYSTEM CLOCK PLL INPUT FREQUENCY (MHz)
2.0
1.5
1.0
0.5
0
12kHz
T
O
20M
Hz
RM
S
JI
T
E
R
(
p
s)
Figure 9. 12 kHz to 20 MHz RMS Jitter vs. System Clock PLL Input Frequency,
SYSCLK = 1 GHz, fREF = 19.44 MHz, fOUT = 155.52 MHz
06744-
010
10
100
1k
10k
100k
1M
10M
100M
FREQUENCY OFFSET (Hz)
–70
–80
–90
–100
–110
–120
–130
–140
–150
PH
A
SE
N
O
ISE
(d
B
c
/H
z)
RMS JITTER (12kHz TO 20MHz): 1.26ps
RMS JITTER (50kHz TO 80MHz): 1.30ps
Figure 10. Additive Phase Noise at HSTL Output Driver, SYSCLK = 1 GHz
(SYSCLK PLL Enabled and Driven by a 25 MHz Fox Crystal Oscillator),
fREF = 19.44 MHz, fOUT = 155.52 MHz, DPLL Loop BW = 1 kHz
06744-
011
10
100
1k
10k
100k
1M
10M
FREQUENCY OFFSET (Hz)
–70
–80
–90
–100
–110
–120
–130
–140
–150
PH
A
SE
N
O
ISE
(d
B
c
/H
z)
RMS JITTER (12kHz TO 20MHz): 4.2ps
Figure 11. Additive Phase Noise at HSTL Output Driver, SYSCLK = 500 MHz
(SYSCLK PLL Disabled), fREF = 10.24 MHz, fOUT = 20.48 MHz,
DPLL Loop BW = 1 kHz
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