Preliminary Data Sheet

4

Rev.1.1, 2009-01-22

BGA461

Silicon Germanium GPS Low Noise Amplifier

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Silicon Germanium GPS Low Noise Amplifier

Figure 1

Blockdiagram

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Description

The BGA461 is a front-end low noise amplifier for Global Positioning System (GPS) applications. The LNA

provides 19.5 dB gain and 1.1 dB noise figure at a current consumption of 4 mA in the application configuration

technology. It operates over a 2.4 V to 3.2 V supply range.

Features

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Optimized for 1575 MHz Operation

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High gain: 19.5 dB

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Low Noise Figure: 1.1 dB

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Supply voltage: 2.4 V to 3.2 V

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4mA current consumption

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Power off function

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1 kV HBM ESD protection at all pins

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B7HFM Silicon Germanium technology

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RF output internally matched to 50

Ω

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Low external component count

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Tiny TSLP-7-4 leadless package

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Moisture sensitivity level: MSL 1

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Pb-free (RoHS compliant) package

TSLP-7-4

Application

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1575 MHz GPS, Galileo, GPS phone

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BGA461 _Blockdiagram .vsd

BIAS

IN

BIAS

OUT

GND

PON

VCC

ESD