8 GHz fractionaL-n PLL For price, deli" />
參數(shù)資料
型號(hào): HMC704LP4E
廠商: Hittite Microwave Corporation
文件頁(yè)數(shù): 35/44頁(yè)
文件大小: 0K
描述: IC FRACT-N PLL 16BIT 24QFN
標(biāo)準(zhǔn)包裝: 1
類(lèi)型: 整數(shù) N/小數(shù) N 分頻
PLL:
輸入: CMOS
輸出: CMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/無(wú)
頻率 - 最大: 8GHz
除法器/乘法器: 是/無(wú)
電源電壓: 3.3V,5V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 24-VQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 24-QFN 裸露焊盤(pán)(4x4)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: 1127-1066-6
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5 - 40
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 21. reg 08h analog En register
BIT
TYPE
NAME
W
DEFLT
DEsCRIPTION
0
R/W
bias_en
1
Enables main chip bias reference
1
R/W
cp_en
1
Charge pump enable
2
R/W
pd_en
1
PD enable
3
R/W
refbuf_en
1
Reference path buffer enable
4
R/W
vcobuf_en
1
VCO path RF buffer enable
5
R/W
GPO/LDO/sDO_pad_en
1
0 - Pin LD_sDO disabled
6
R/W
spare
1
spare
7
R/W
VCO_Div_Clk_to_dig_en
1
VCO Divider Clock to Digital Enable
8
R/W
Reserved
1
0
Reserved
9
R/W
Prescaler Clock enable
1
Prescaler clock enable
[10]
R/W
VCO Buffer and Prescaler Bias
Enable
1
VCO Buffer and Prescaler Bias Enable
[11]
R/W
Charge Pump Internal Opamp
enable
1
Charge Pump Internal Opamp enable
[14:12]
R/W
RF Buffer En/Bias
3
0: Disabled, 1: Low Bias,...7: High Bias
[17:15]
R/W
Div Resync En/Bias
3
0: Disabled, 1: Low Bias,...7: High Bias
[18]
R/W
Reserved
1
0
Reserved Program 0
[19]
R/W
8GHz Divide by 2 En
1
0
8GHz Divide by 2 Enable
[20]
R/W
Reserved
1
0
Reserved Program 0
[21]
R/W
Hi Frequency Reference
1
0
Program 1 for XTAL > 200 MHz
[22]
R/W
Reserved
1
Reserved
[23]
R/W
Reserved
1
Reserved
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