參數(shù)資料
型號(hào): HMC700LP4E
廠商: Hittite Microwave Corporation
文件頁(yè)數(shù): 11/26頁(yè)
文件大小: 0K
描述: IC FRACT-N PLL 16BIT 24QFN
標(biāo)準(zhǔn)包裝: 1
類型: 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
安裝類型: 表面貼裝
封裝/外殼: 24-VQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN 裸露焊盤(4x4)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: 1127-1064-6
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel 978-250-3373 fax Order On-line at www.hittite.com
Application Support: apps@hittite.com
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HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
Table 9. Reg 02h REFDIV Register
Bit
name
Width
Default
Description
[13:0]
rdiv
14
1
reference Divider ’r’ Value (EQ 4)
00h - illegal
01h - divide-by-1 (bypass)
10h - divide-by-2
11h - divide-by-3 etc
...
3FFFh - divide-by-16, 383
the reference divider is controlled by several bits in register 8. See register 8 description
for details.
Table 10. Reg 03h Frequency Register - Integer Part
Bit
name
Width
Default
Description
[15:0]
intg
16
c8h
Vco Divider integer part, used in all modes, see (EQ 4)
Fractional Mode
min 36d
max 216 -1 = 65,535d
Integer Mode
min 32d
max 216+31 = 65,567d
Table 11. Reg 04h Frequency - Fractional Part Register
Bit
name
Width
Default
Description
[23:0]
frac
24
0
Vco Divider Fractional part (24 bit unsigned) see section
Fractional Frequency tuning
Used in Fractional Mode only
min 0d
max 2^24-1
Table 12. Reg 05h SD Seed Register
Bit
name
Width
Default
Description
[23:0]
seed
24
0
Fractional Mode: Seeds fractional modulator
FSK Mode: Sets f1 in FSK mode when fsk_enable=1 (see section FSK Modulation)
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