参数资料
型号: HMC704LP4E
厂商: Hittite Microwave Corporation
文件页数: 43/44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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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 2. Pin Descriptions
Pin Number
Function
Description
1
sDI
Main serial port data input
2
sCK
Main serial port clock input
3
AsEN
Auxiliary serial Port Enable Output
4
LD_sDO
Lock Detect Output or serial Data Output or GPO, selectable
5
VCOIN
Complementary Input to the RF Prescaler. For single Ended operation must be decoupled to the ground
plane with a ceramic bypass capacitor, typically 100 pF. DC Bias of 2.0V is generated internally
6
VCOIP
Input to the RF Prescaler. small signal input from external VCO. DC Bias of 2.0V is generated internally.
External AC Coupling required
7
VCCHF
Power supply pin for the RF section. Nominal +3.3 V. A decoupling capacitor to the ground plane should
be placed as close as possible to this pin. see eval board layout.
8
N/C
No Connect
9
VCCPs
Power supply Prescaler, Nominal +3.3V
10
N/C
No Connect
11
VCCPD
Power supply for the phase detector, Nominal +3.3V
12
BIAs
External bypass decoupling for precision bias circuits, 1.920V +/-20mV
NOTE: BIAs ref voltage cannot drive an external load. Must be measured with 10GOhm meter such as
Agilent 34410A, normal 10Mohm DVM will read erroneously.
13
N/C
No Connect
14
AVDD
Power supply for analog bias generation, Nominal +3.3V
15
VPPCP
Power supply for charge pump, Nominal +5V
16
CP
Charge pump output.
17
VDDLs
Power supply for charge pump digital section, Nominal +5V
18
RVDD
Ref path supply, Nominal +3.3V
19
XREFP
Reference input
20
AsCK
Auxiliary serial Port Clock Output
21
AsD
Auxiliary serial Port Data Output
22
DVDD
Digital supply, Nominal +3.3V
23
CEN
Hardware Chip Enable
24
sEN
Main serial port latch enable input
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