描述 Description

The STA5630 is a fully integrated RF front-end able to down-convert either the GPS L1 signal from 1575.42 MHz to 4.092 MHz.
The STA5630 embeds high performance LNA minimizing external component count. The chip uses state of the art CMOS 65 nm technology.
A 3-bit ADC converts the IF signal to Sign (SIGN) and Magnitude (MAG0 and MAG1). The magnitude bits are internally integrated in order to control the variable gain amplifiers. The VGA gain can be also set by the SPI interface.
The STA5630 accepts a range of reference clocks (10 to 52 MHz) and generates a 16.368 MHz sampling clock (GPS_CLK) for the baseband. The STA5630 embeds LDO to supply the internal core of the device facilitating requirements to external power supply.
High performance, low power, and cost effective device, the STA5630 is the ideal solution for automotive, cellular and consumer battery powered applications.

特性 Features

? Integrated LNA
? Low power consumption (
? Serial interface
? 3 bits A/D converter
? CMOS 65 nm technology
? Standard QFN-32 package
? Ambient temperature range: -40 °C to +85 °C

簡介

STA5630屬于RF/IF射頻/中頻RFID的射頻前端（LNA+PA）。由制造生產(chǎn)的STA5630射頻前端（LNA + PA）本系列中的產(chǎn)品是各種集成電路，其中集成了射頻 (RF) 信號鏈連接到系統(tǒng)天線的部分中常見的一種或多種功能，如低噪聲放大器 (LNA) 和可編程放大器 (PA)。任何給定器件所含的實際功能各不相同，相比旨在提供更高應用靈活性的器件，針對相對較窄應用的器件通常集成更大一部分必要的信號鏈。