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MT3333 Просмотр технического описания (PDF) - MediaTek Inc

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MT3333 High-performance Single-chip Multi-gnss Solution MediaTek
MediaTek Inc MediaTek
MT3333 Datasheet PDF : 26 Pages
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MT3333 All-in-One GNSS Datasheet
1. Introduction
1.1. Overview
MediaTek MT3333 is a high-performance single-chip multi-GNSS solution that includes CMOS RF, digital baseband,
ARM7 CPU and embedded NOR flash. It’s able to achieve the industry’s highest level of sensitivity, accuracy and
Time-to-First-Fix (TTFF) with the lowest power consumption. Its small footprint lead-free package and minimal
additional BOM requirements provide significant reductions in the design, manufacturing and testing resources
required to create devices.
The main features that help reduce device BOM are:
Built in Low Noise Amplifier (LNA) that eliminates the need for an external antenna.
Built-in image-rejection mixer that removes the need for an external Surface Acoustic Wave (SAW) filter.
Built-in automatic center frequency calibration band pass filter that means an external filter is not
Built-in power management that enables MT3333 to be easily integrated into your system without an
extra voltage regulator. With both linear and highly efficient switching type regulators embedded,
MT3333 supports direct battery connection and doesn’t need an external low-dropout (LDO) regulator,
which offers flexibility in circuit design.
In addition, 12 multi-tone active interference cancellers (ISSCC2011 award) can eliminate the need to design
interference cancelation, simplifying PCB design. The integrated Phase-Locked Loop (PLL) with Voltage Controlled
Oscillator (VCO) provides excellent phase noise performance and fast locking time. A battery backed-up memory
and a real-time clock are also provided to accelerate location acquisition at system restart.
MT3333 supports various location and navigation applications, including GPS, GLONASS, Galileo, BeiDou, SBAS
The excellent low-power consumption characteristics of MT3333 (37 mW for acquisition and 27 mW for tracking)
means that — without changing the specified battery — power sensitive devices, especially portable applications,
will be able to offer device users longer operating times. Combined with advanced software features including
EASY™, EPO™ and LOCUS™, MT3333 provides always-on positioning with minimal average power consumption.
These great features provide you with outstanding performance for portable applications, such as DSC, mobile
phones, PMP and gaming devices.
© 2015 MediaTek Inc.
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
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