聯(lián)發(fā)科技 MT3333 是多合一的多星系衛(wèi)星定位系統(tǒng)單芯片(SoC),能廣泛適用于移動(dòng)通信、車(chē)用、定時(shí)、個(gè)人防盜追蹤系統(tǒng)、無(wú)人飛行機(jī)與工業(yè)應(yīng)用。MT3333 具備高追蹤精準(zhǔn)度,能在擁擠的城市環(huán)境中提供更好的表現(xiàn)。
MT3333 僅僅只需外八個(gè)被動(dòng)外部組件,同時(shí)與聯(lián)發(fā)科技 MT3337 和 MT3339 的腳位兼容,使您能有彈性的設(shè)計(jì)一系列不同層級(jí)的設(shè)備,并減少重復(fù)的硬件開(kāi)發(fā)工作。
追蹤感度:-165dBm
持續(xù)追蹤功耗:5~19mA
支持 GPS, GLONASS, Beidou, Galileo, QZSS, SBAS
具備聯(lián)發(fā)科技 AlwaysLocate? 技術(shù),可降低功耗
MT3333 內(nèi)置的 LNA 可達(dá)到 2.2 dB 的 total receiver chain NF,所以可以不需要外置的 LNA 組件。另外,透過(guò)芯片上的 image-rejection mixer,您也不需要插件 SAW filter。
MT3333 在提供持續(xù)定位的同時(shí),也提供最低的功耗。透過(guò)數(shù)個(gè)高端功能如 AlwaysLocate?、EASY?、HotStill?、EPO? 以及日志功能,MT3333 適用于各種可攜帶式設(shè)備應(yīng)用,如數(shù)字相機(jī)、移動(dòng)電話、可攜式媒體播放器與游戲設(shè)備。
GPS/GLONNASS/GALILEO/BEIDOU receiver
Supports multi-GNSS including QZSS and SBAS ranging
Supports WAAS/ENGNOS/MSAS/GAGAN
12 multi-tone active interference cancellers (with ISSCC2011 award)
RTCM ready
Indoor/outdoor multipath detection and compensation
Supports FCC E911 compliance and A-GPS
Maximum fixed update rate up to 10 Hz
AlwaysLocate? advanced location awareness technology
EPO?/HotStill? orbit prediction
EASY? self-generated orbit prediction
Supports logger function
TCXO Frequency 16.368 MHz, 12.6 ~ 40 MHz
TCXO Frequency variation: ±2.5 ppm
Crystal Frequency: 26 MHz, 12.6 ~ 40.0 MHz
Crystal Frequency accuracy: ±10 ppm
Adjustable duty cycle
Typical accuracy: ±10 ns
1.8V SMPS built-in SoC
Direct lithium battery connection (2.8V ~ 4.3V)
Self build 1.1V RTC LDO, 1.1V core LDO, and 2.8V TCXO LSO
Acquisition: 37 mW
Tracking: 27 mW
AlwaysLocate?: 3.0 mW