參數(shù)資料
型號(hào)： STA5620TR
廠商： 意法半導(dǎo)體
英文描述： Fully integrated RF front-end for GPS
中文描述： 完全集成射頻前端的GPS結(jié)束
文件頁(yè)數(shù)： 1/29頁(yè)
文件大小： 282K
代理商： STA5620TR
Preliminary Data
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
July 2007
Rev 1
1/29
1
STA5620
Fully integrated RF front-end for GPS
Features
■
Low IF architecture (f
IF
= 4f
O
)
■
Minimum external components
■
VGA gain internally regulated
■
On chip programmable PLL
■
Typ. 2.7V supply voltage
■
SPI interface
■
2kV HBM ESD protected
■
Compatible with GPS L1
■
Standard QFN-32 package
■
Low power for portable designs
Description
The chip is a fully integrated RF front-end able to
down-convert the GPS L1 signal from
1575.42MHz to 4.092MHz.
The IF signal is converted by a two bit ADC. Sign
(SIGN), Magnitude (MAG) and the 16.368MHz
sampling clock (GPS_CLK) are provided to the
baseband.
The magnitude data is internally integrated in
order to control the variable gain amplifiers in
accordance to the RF input signal strength.
An excellent quality of reception in critical
environments is ensured by the good noise figure
and linearity of the receiver.
The on-chip oscillator supports crystal
frequencies in the range of 10MHz to 40MHz. It is
able to support TCXO providing also a buffered
copy of the oscillator frequency.
The chip, using STMicroelectronics BiCMOS
SiGe technology, is housed in a QFN-32 package.
Table 1.
VFQFPN
-32L
Device summary
Order code
Marking
Package
Packing
STA5620TR
STA5620
VFQFPN-32L
Tape & reel
www.st.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STA5630 制造商:STMicroelectronics 功能描述:GPS Galileo RF Int 1575.42 to 4.092 MHz 制造商:ST 功能描述:Low Power GPS RF Front-End
STA5630A 制造商:ST 功能描述:Low Power GPS RF Front-End
STA5630ATR 制造商:ST 功能描述:Low power GPS RF Front-End
STA5630TR 制造商:STMicroelectronics 功能描述:Low Power GPS RF Front-End 32-Pin VFQFPN T/R 制造商:STMicroelectronics 功能描述:MID INFOTAINMENT - Tape and Reel 制造商:STMicroelectronics 功能描述:GPS Galileo RF Int 1575.42 to 4.092 MHz
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