MGA-31489
0.1W High Gain Driver Amplifier
1.5GHz ~ 3GHz
Data Sheet
Description
Avago Technologies MGA-31489 is a high performance
Driver Amplifier MMIC, housed in a standard SOT-89 plastic
package. The device features flat high gain with excellent
input and output return loss, as well as superior linearity
performance. The device can be easily matched to obtain
desired performance.
MGA-314389 is especially ideal for 50
Ω
wireless infrastruc-
ture application within the 1.5 GHz to 3 GHz frequency
range applications. With high IP3 and low noise figure and
wideband operation, the MGA-31489 may be utilized as
a driver amplifier in the transmit chain and as a second
stage LNA in the receiver chain.
This device uses Avago Technologies proprietary 0.25
mm
GaAs Enhancement mode PHEMT process.
Features
•
ROHS compliant
•
Halogen free
•
High IP3 at low DC bias power
[1]
•
High gain, with good gain flatness
•
Low noise figure
•
Advanced enhancement mode PHEMT Technology
•
Excellent uniformity in product specification
•
SOT-89 standard package
Specifications
At 1.9 GHz, Vd = 5 V, Id = 69 mA (typ) @ 25° C
•
OIP3 = 37.3 dBm
•
Noise Figure = 1.9 dB
•
Gain = 19.5 dB, Gain Flatness (± 50 MHz) = 0.11 dB
•
P1dB = 21.9 dBm
•
IRL = 17.2 dB, ORL = 10.1 dB
Note:
1. The MGA-31489 has a superior LFOM of 11.9 dB. Linearity Figure of
Merit (LFOM) is essentially OIP3 divided by DC bias power.
Pin connections and Package Marking
14X
#1
#2
RFin
GND
Top View
#3
RFout
#3
#2
RFout
GND
#1
RFin
Simplified Schematic
Vdd
C
C
C
Bottom View
Note:
Top View: Package marking provides orientation and identification
“14” = Device Code
“X” = Date Code character indentifies month of manufacturing
Attention: Observe precautions for
handling electrostatic sensitive devices.
ESD Machine Model = 120 V
ESD Human Body Model = 1400 V
Refer to Avago Application Note A004R:
Electrostatic Discharge, Damage and Control.
RFin
C
L
RFout
C
L
Figure 1. Simplified Schematic diagram
AVAGO [ AVAGO TECHNOLOGIES LIMITED ]
