Datasheet > SE4110L

SE4110L

更新时间： 2024-11-09 06:11:03

品牌	Logo	应用领域
SIGE		全球定位系统
页数	文件大小	规格书
2页	79K
描述
GPS Receiver IC

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SE4110L 数据手册

SE4110L

GPS Receiver IC

Applications

Product Description

The SE4110L is a highly integrated GPS receiver

offering high performance and low-power operation in a

wide range of low-cost applications. It is particularly

well-suited to mobile phone and high sensitivity L1-band

GPS and A-GPS systems.

High sensitivity / low power GPS and A-GPS

applications

Portable navigation devices, mobile phones and

GPS peripheral devices

Telematics equipment

The SE4110L includes an on-chip LNA and a low IF

receiver with a linear AGC and 2-bit analogue-to-digital

converter (ADC). The receiver incorporates a fully

integrated image reject mixer so no SAW filter is

required in many applications. There is also an on-chip

IF filter.

Features

Single-conversion L1-band GPS radio with

integrated IF filter

Integrated LNA; 1.6 dB typ. noise figure

Low RF system noise figure; 2.3 dB typ.

Low 10 mA operating current with 2.7-3.3 V supply;

8 mA with internal LNA disabled

The SE4110L supports a wide range of reference

frequencies, addressing both traditional GPS systems

and emerging mobile phone applications. The

synthesizer is highly integrated requiring only two

passive components to implement an off-chip loop filter.

Standby current <10 µA

Fully Integrated PLL, compatible with 13, 16.368,

19.5 and 26 MHz reference frequencies

2-bit SIGN & MAG Digital IF output

Integrated VCO and resonator

The SE4110L is optimized for the lowest possible

power consumption consistent with the very low

external component count.

I/O supply range extends down to 1.7 V

4 x 4 mm 24 pin QFN

The SE4110L incorporates current-controlled low-

spurious output buffers which may optionally be run

from a separate external supply to interface to low

voltage systems. The buffers supply sufficient current to

drive most baseband devices directly.

Pb-free, RoHS compliant and Halogen-free

Ordering Information

Part No.

Package

Remark

SE4110L-R 24 Pin QFN

Shipped in Tape & Reel

Functional Block Diagram

Optional

filter

MIX_IN

LNA_OUT

VAGC

AGC_DIS

AGC

Controller

IF Filter

-45°

MAG

SIGN

ADC

Buffer

LNA

+45°

LNA_IN

Clock

select

CLK_OUT

Quadrature

÷2

FREF2

FREF1

FREF0

Feedback

Divider

VCO

Chip

control

SE4110

RX_EN

Phase/Frequency

Detector

Reference

Divider

OSC_EN

Reference

Oscillator

/ Buffer

RVI

VTUNE

PLL Loop

Filter

XTAL1

XTAL2

DST-00002 Rev 6.4 May-26-2009

1 of 2

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