参数资料
型号: HMC704LP4E
厂商: Hittite Microwave Corporation
文件页数: 33/44页
文件大小: 0K
描述: IC FRACT-N PLL 16BIT 24QFN
标准包装: 1
类型: 整数 N/小数 N 分频
PLL:
输入: CMOS
输出: CMOS
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 是/无
频率 - 最大: 8GHz
除法器/乘法器: 是/无
电源电压: 3.3V,5V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-VQFN 裸露焊盘
供应商设备封装: 24-QFN 裸露焊盘(4x4)
包装: 标准包装
其它名称: 1127-1066-6
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5 - 39
HMC704LP4E
v03.1211
8 GHz fractionaL-n PLL
For price, delivery, and to place orders: Hittite Microwave Corporation,20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
table 20. reg 07h Lock Detect register
BIT
TYPE
NAME
W
DEFLT
DEsCRIPTION
[2:0]
R/W
lkd_wincnt_max
3
5
Lock Detect window
sets the number of consecutive counts of divided VCO that must
land inside the Lock Detect Window to declare LOCK
0: 5
1: 32
2: 96
3: 256
4: 512
5: 2048
6: 8192
7: 65535
[3]
R/W
Enable Internal Lock Detect
1
Enable Internal Lock Detect
[5:4]
R/W
Reserved
2
0
Reserved
[6]
R/W
Lock Detect Window type
1
0
Lock Detection Window Timer selection
1: Digital programmable timer
0: Analog one shot, nominal +/-10nsec window
[9:7]
R/W
LD Digital Window duration
3
0
Lock Detection - Digital Window Duration
0: 1/2 cycle
1: 1 cycle
2: 2 cycles
3: 4 cycles
4: 8 cycles
5: 16 cycles
6: 32 cycles
7: 64 cycles
[11:10]
R/W
LD Digital Timer Freq Control
2
0
Lock Detect Digital Timer Frequency Control
“00” fastest “11” slowest
[12]
R/W
LD Timer Test Mode
1
0
1: Force Timer ON Continuously - For Test Only
0: Normal Timer operation - one shot
[13]
R/W
Auto Relock - One Try
1
0
1: Attempts to relock if Lock Detect fails for any reason
Only tries once.
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