MGA-631P8-TR2G Avago Technologies US Inc., MGA-631P8-TR2G Datasheet

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MGA-631P8-TR2G

Manufacturer Part Number
MGA-631P8-TR2G
Description
IC,Microwave/Millimeter Wave Amplifier,SINGLE,GAAS,LLCC,8PIN,PLASTIC
Manufacturer
Avago Technologies US Inc.
Datasheet

Specifications of MGA-631P8-TR2G

Current - Supply
54mA
Frequency
400MHz ~ 1.5GHz
Gain
17.5dB
Noise Figure
0.53dB
P1db
17.5dBm
Package / Case
8-WFDFN Exposed Pad
Rf Type
CDMA, GPS, GSM, ISM
Test Frequency
900MHz
Voltage - Supply
4V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MGA-631P8
Low Noise, High Linearity, Active Bias Low Noise Amplifier
Data Sheet
Description
Avago Technologies’ MGA-631P8 is an economical, easy-
to-use GaAs MMIC Low Noise Amplifier (LNA) with active
bias. The LNA has low noise with excellent input return
loss and high linearity achieved through the use of
Avago Technologies’ proprietary 0.5um GaAs Enhance-
ment-mode pHEMT process. The LNA has an extra feature
that allows a designer to adjust supply current and gain
externally. Due to the high isolation between the input
and output, gain can be adjusted independently through
a resistor in series with a blocking capacitor from the
output pin to FB1 pin, without affecting the noise figure.
It is housed in a miniature 2.0 x 2.0 x 0.75mm
Small Leadless Package (TSLP) package. The compact
footprint and low profile coupled with low noise, high
gain, excellent input return loss and high linearity make
the MGA-631P8 an ideal choice as an LNA for cellular in-
frastructure for GSM, CDMA, GPS and ISM applications.
It is designed for optimum use between 400MHz to
1.5GHz. For optimum performance at higher frequency
from 1.4GHz to 3.8GHz, the MGA-632P8 is recommend-
ed. Both MGA-631P8 and MGA-632P8 share the same
package and pinout.
Pin Configuration and Package Marking
2.0 x 2.0 x 0.75 mm
Top View
Note:
Package marking provides
orientation and identification
“G1” is Device Code
“X” is month code
3
8-lead TSLP
Bottom View
Note:
Pin 1 : not used
Pin 2 : RFin
Pin 3 : RF ground Pin 7 : RFout
Pin 4 : Vbias
Pin 5 : FB1
Pin 6 : not used
Pin 8 : Gnd
3
8-pin Thin
Features
x Low noise figure
x Good input return loss
x High linearity performance
x High Isolation
x Externally adjustable supply current, 40-80mA
x Externally adjustable gain, 15-20dB
x GaAs E-pHEMT Technology
x Low cost small package size: 2.0x2.0x0.75 mm
x Excellent uniformity in product specifications
Specifications
900MHz; 4V, 54mA (typ)
x 17.5 dB Gain
x 0.53 dB Noise Figure
x -19.4dB S11
x -34dB S12
x 32.6 dBm Output IP3
x 18.0 dBm Output Power at 1dB gain compression
Applications
x Low noise amplifier for cellular infrastructure for GSM,
x Other ultra low noise applications.
Note:
1. Enhancement mode technology employs positive Vgs, thereby
CDMA, GPS and ISM.
eliminating the need of negative gate voltage associated with
conventional depletion mode devices.
Attention: Observe precautions for
handling electrostatic sensitive devices.
ESD Machine Model = 50 V
ESD Human Body Model = 200 V
Refer to Avago Application Note A004R:
Electrostatic Discharge, Damage and Control.
[1]
3

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MGA-631P8-TR2G Summary of contents

Page 1

... Small Leadless Package (TSLP) package. The compact footprint and low profile coupled with low noise, high gain, excellent input return loss and high linearity make the MGA-631P8 an ideal choice as an LNA for cellular in- frastructure for GSM, CDMA, GPS and ISM applications designed for optimum use between 400MHz to 1 ...

Page 2

... MGA-631P8 Absolute Maximum Rating Symbol Parameter Vd Device Supply Voltage Input Power (Vd=4.0V, Vbias=4.0V) in,max P Total Power Dissipation diss T Junction Temperature j T Storage Temperature STG [3] Thermal Resistance (Vd = 4.0V, Vbias=4.0V), θ Notes: 1. Operation of this device in excess of any of these limits may cause permanent damage. ...

Page 3

Electrical Specifications °C, Vd =4V @ 54mA, R1=91ohm unless otherwise specified. A Symbol Parameter and Test Condition Id Operational Current Gain Freq=800 MHz Freq=850 MHz Freq=900 MHz OIP3 Freq=800 MHz Freq=850 MHz Freq=900 MHz NF Freq=800 ...

Page 4

... MGA-631P8 Typical Performance ° 4V 54mA, R1=91ohm unless stated otherwise 780 800 820 840 860 Frequency (MHz) Figure 5. Gain Vs Frequency and 780 800 820 840 860 Frequency (MHz) Figure 7. OIP3 Vs Frequency and Id 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 ...

Page 5

... MGA-631P8 Typical Performance ° 4V 54mA, R1=91ohm unless stated otherwise (V) Figure 11 and Temperature 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 780 800 820 840 860 Frequency (MHz) Figure 13 Frequency and Temperature (mA) Figure 15. Gain vs Id and Temperature Notes: 1. Measurements obtained using demo board described in Figure 28 and Table 1, List 1. ...

Page 6

... MGA-631P8 Typical Performance ° 4V 54mA, R1=91ohm unless stated otherwise (mA) Figure 17. OIP3 vs Id and Temperature 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 780 800 820 840 860 880 Frequency (MHz) Figure 19 Frequency and -10 -15 -20 -25 -30 -35 780 800 820 840 ...

Page 7

... For Figure 22, 23 and 24, measurements obtained using demo board described in Figure28 and Table 1, List 2. 2. For Figure 25, 26 and 27, measurements obtained using demo board described in Figure28 and Table 1, List 3. 7 [1] MGA-631P8 Typical Performance for 1.5 GHz Matching T = +25 ° 4V 54mA ...

Page 8

Demo Board Layout Figure 29. Demo Board Layout Diagram - Recommended PCB material is 10 mils Rogers RO4350. - Suggested component values may vary according to layout and PCB material. Demo Board Schematic for Table 1, List 1 (900 MHz ...

Page 9

Demo Board Schematic for Table 1, List 3 (1.5 GHz Matching) C7 Rbias RFin RFin C1 L1 RFgnd C4 Bias Vbias Figure 31. Demo Board Schematic with additional shunt inductor, L3, at RFout. This demo board is used for measuring ...

Page 10

Table 1 List 1 – Demo board component values for Demo board Schematic of Fig. 29. These component values are used when measuring Electrical Specifications and plots of Fig Fig. 21. List 2 – Demo Board Component values ...

Page 11

Load pull test set up Vbias C5 C6 Rbias C1 Input RFgnd C4 Vbias C7 Figure 33. Test setup for load pull data The input port is matched for good NF and IRL. Because of the high reverse isolation, any ...

Page 12

Measured results Test condition: 4V/54mA, 900MHz Refer to Table 1, List 1 for SMT component value and de- scription, unless otherwise stated. * Resistor, R1 91ohm 0.81 < 44.3o 56ohm 0.65 <94.2o 560ohm 0.38 < 85.2o Figure 34. Load pull ...

Page 13

Figure 35. Load pull contour plot for R1=56ohm Figure 36. Load pull contour plot for R1=560ohm 13 ...

Page 14

... MGA-631P8 Scattering Parameter and Noise Parameter Test Setup Figure 37. Test Setup for S & Noise Parameters data, C3=5.6pF (Rohm MCH155A5R6CK) Typical Noise Parameter, Vd=4V, Id=54mA, applicable to any R1 due to high reverse isolation Freq FMIN GAMMA OPT (GHz) (dB) Mag 0.5 0.41 0.35 0.9 0.38 ...

Page 15

... MGA631P8 Typical Scattering Parameters, Vd=4V, Id=54mA, R1=91ohm Freq S11 (GHz) Mag Ang 0.1 0.94 -10.9 0.5 0.64 -24.8 1.0 0.54 -23.8 1.5 0.53 -26.2 1 ...

Page 16

... MGA631P8 Typical Scattering Parameters, Vd=4V, Id=54mA, R1=560ohm Freq S11 (GHz) Mag Ang 0.1 0.93 -9.5 0.5 0.69 -24.3 1.0 0.56 -26.9 1.5 0.53 -29.0 1 ...

Page 17

... Ordering Information Part Number No. of Devices MGA-631P8-TR1G 3000 MGA-631P8-TR2G 10000 MGA-631P8-BLKG 100 TSLP2X2 Package Dimension PCB Land Pattern and Stencil Design 2.80 (110.24) 0.70 (27.56) 0.25 (9.84) PIN 1 ∅ 0.20 (7.87) Solder + mask 0.60 (23.62) RF transmission 0.80 (31.50) line 0.15 (5.91) ...

Page 18

Device Orientation REEL USER FEED DIRECTION COVER TAPE Tape Dimensions 10° Max A 0 DESCRIPTION CAVITY LENGTH WIDTH DEPTH PITCH BOTTOM HOLE DIAMETER PERFORATION DIAMETER PITCH POSITION CARRIER TAPE WIDTH THICKNESS COVER TAPE WIDTH TAPE ...

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