mga-635t6 Avago Technologies, mga-635t6 Datasheet

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mga-635t6

Manufacturer Part Number
mga-635t6
Description
Gps Low Noise Amplifer With Variable Bias Current And Shutdown Function
Manufacturer
Avago Technologies
Datasheet

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GPS Low Noise Amplifier with Variable Bias
Current and Shutdown Function
Data Sheet
Description
Avago Technologies’ MGA-635T6 is a LNA designed
for GPS/ISM/Wimax applications in the (0.9-2.4)GHz
frequency range. The LNA uses Avago Technologies’s
proprietary GaAs Enhancement-mode pHEMT process to
achieve high gain operation with very low noise figures
and high linearity. Noise figure distribution is very tightly
controlled. Gain and supply current are guaranteed pa-
rameters. A CMOS compatible shutdown pin is included
to turn the LNA off and provide a variable bias.
The MGA-635T6 LNA is useable down to 1V operation.
It achieves low noise figures and high gain even at 1V,
making it suitable for use in critical low power GPS/ISM
band applications.
Component Image
Surface Mount 2.0x1.3x0.4 mm
Note:
Package marking provides ori-
entation and identification
“3F” = Product Code
“Y” = Year of manufacture
“M” = Month of manufacture
Bottom View
Top View
.
.
3FYM
3FYM
3
6-lead UTSLP
Features
• Low Noise Figure : 0.74dB
• High Gain : 14.5dB
• High linearity and P1dB
• GaAs E-pHEMT Technology
• Low component count
• Wide Supply Voltage : 1V to 3.6V
• Shutdown current : < 0.1uA
• CMOS compatible shutdown pin (VSD) current @
• Adjustable bias current via one single external resis-
• Shutdown function
• Small Footprint: 2 x 1.3mm
• Low Profile : 0.4 mm
• Ext matching for non-GPS freq band operation
Specifications
At 1.575GHz, 2.85V 6.3mA (Typ)
At 1.575GHz, 2.85V 8mA (Typ)
Applications
• GPS, ISM & WiMax Bands LNA
2.85V : 60uA
tor/voltage
Gain = 14.5 dB (Typ)
NF = 0.74 dB (Typ)
IIP3 = 3.5 dBm (Typ)
IP1dB = 2.5 dBm (Typ)
S11 = -8 dB (Typ)
S22 = -10.4 dB (Typ)
Gain = 15.7 dB (Typ)
NF = 0.8 dB (Typ)
IIP3 = 3.5 dBm (Typ)
IP1dB = 1 dBm (Typ)
S11 = -11.8 dB (Typ)
S22 = -9.3 dB (Typ)
Attention: Observe precautions for handling
electrostatic sensitive devices.
ESD Machine Model = 40 V
ESD Human Body Model = 250 V
Refer to Avago Technologies Application
Note A004R: Electrostatic Discharge, Damage
and Control.
2

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mga-635t6 Summary of contents

Page 1

... Gain and supply current are guaranteed pa- rameters. A CMOS compatible shutdown pin is included to turn the LNA off and provide a variable bias. The MGA-635T6 LNA is useable down to 1V operation. It achieves low noise figures and high gain even at 1V, making it suitable for use in critical low power GPS/ISM band applications ...

Page 2

Absolute Maximum Rating T =25°C A [3] (Vdd = 2.85V, Ids = 4.9mA), θ °C/W Thermal Resistance Symbol Parameter Vdd Device Drain to Source Voltage [2] Ids Drain Current Input Power (Vdd = 2.85V, ...

Page 3

Electrical Specifications °C, DC bias for RF parameters is Vdd = Vsd = +2.85V , measured on demo board (see Fig. 4) unless otherwise specified. VDD= VSD = +2.85V 22K Ohm, Freq=1.575GHz – Typical Performance ...

Page 4

Circuit Symbol Size Desciption L1 0402 5.6 nH Inductor L2 0402 12 nH Inductor L3 0402 6.8 nH Inductor L4 0402 33 nH Inductor C1, C2 0402 6.8 pF Capacitor C3 0603 0.1 uF Capacitor R1 0402 22K Ohm Resistor ...

Page 5

C=6.8 pF C=6 +2.85V +2.85V R=22 kOhm RF_IN RF_IN L=5.6 nH L=5.6 nH Toko 0402 Toko 0402 Figure 5. Demoboard schematic ...

Page 6

... MGA-635T6 Typical Performance Curves, Vdd=Vsd=+2.85V, R1=22KOhm measured on demoboard (see Fig.4) at 1.575GHz (At 25°C unless specified otherwise 2.4 2.6 2.8 Vdd (V) Figure 6. Gain vs Vdd vs Freq 2.4 2.6 2.8 Vdd (V) Figure 8. IIP3 vs Vdd vs Freq 2.4 2.6 2.8 3 Vdd (V) Figure 10 ...

Page 7

... MGA-635T6 Typical Performance Curves, Vdd=Vsd=+2.85V, R1=22KOhm measured on demoboard (see Fig.4) (At 25°C unless specified otherwise 2.4 2.6 2.8 Vdd (V) Figure 11. Gain vs Vdd vs Temp 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 2.4 2.6 2.8 Vdd (V) Figure 13. IIP3 vs Vdd vs Temp 2.4 2.6 2.8 Vdd (V) Figure 15. Ids vs Vdd vs Temp 7 1 ...

Page 8

Package Dimensions PCB Land Patterns and Stencil Design PCB Land Pattern (dimensions in mm) Combined PCB and Stencil Layouts (dimensions in mm) 8 Stencil Outline Drawing (dimensions in mm) ...

Page 9

... Device Orientation Tape Dimensions Part Number Ordering Information Part Number No. of Devices MGA-635T6-BLKG 100 MGA-635T6-TR1G 3000 MGA-635T6-TR2G 10000 Container Antistatic bag 7” Reel 13” Reel ...

Page 10

... For product information and a complete list of distributors, please go to our web site: Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies, Limited in the United States and other countries. Data subject to change. Copyright © 2007 Avago Technologies Limited. All rights reserved. Obsoletes AV01-0188EN ...

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