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MGA-631P8 Datasheet Preview

MGA-631P8 Datasheet

Active Bias Low Noise Amplifier

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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 Enhancement-
mode pHEMT process. The LNA has an extra feature that
allows a designer to adjust supply current and gain ex-
ternally. 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 0.75mm3 8-pin Thin
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 3GHz, 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 mm3 8-lead TSLP
Features
Low noise figure
Good input return loss
High linearity performance
High Isolation
Externally adjustable supply current, 40-80mA
Externally adjustable gain, 15-20dB
GaAs E-pHEMT Technology[1]
Low cost small package size: 2.0x2.0x0.75 mm3
Excellent uniformity in product specifications
Specifications
900MHz; 4V, 60mA (typ)
17.5 dB Gain
0.53 dB Noise Figure
-19.4dB S11
-34dB S12
33.1 dBm Output IP3
18.0 dBm Output Power at 1dB gain compression
Applications
Low noise amplifier for cellular infrastructure for GSM,
CDMA, GPS and ISM.
Other ultra low noise applications.
Note:
[1] Enhancement mode technology employs positive Vgs, thereby
eliminating the need of negative gate voltage associated with
conventional depletion mode devices.
Top View
Note:
Package marking provides
orientation and identification
“G1” is Device Code
“X” is month code
Bottom View
Note:
Pin 1 : not used Pin 5 : FB1
Pin 2 : RFin
Pin 6 : not used
Pin 3 : RF ground Pin 7 : RFout
Pin 4 : Vbias
Pin 8 : Gnd
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.





AVAGO

MGA-631P8 Datasheet Preview

MGA-631P8 Datasheet

Active Bias Low Noise Amplifier

No Preview Available !

MGA-631P8 Absolute Maximum Rating[i]
Symbol
Vd
Vbias
Pin,max
Pdiss
Tj
TSTG
Parameter
Device Supply Voltage
Control Voltage
CW RF Input Power (Vd = 4.0, Vbias=2.2V)
Total Power Dissipation [iii]
Junction Temperature
Storage Temperature
Units Absolute Max.
V 5.5
V 3.5
dBm 13
W 0.55
°C 150
°C -65 to 150
Thermal Resistance [ii] (Vd = 4.0V, Vbias=2.2V), θJC = 47 °C/W
Notes:
i. Operation of this device in excess of any of these limits may cause permanent damage.
ii. Thermal resistance measured using Infra-Red Microscopy Technique.
iii. Board temperature TB is 25 °C. Derate 21.2mW/ °C for TB>124 °C.
Product Consistency Distribution Charts[2]
Process Capability for Gain
300 LSL = 16.0, Nominal = 17.5, USL = 19.0
250 CPK Lower=3.72
200 CPK Upper=3.85
150 Std Dev=0.13
100
50
0
16 16.5 17 17.5 18 18.5 19
Gain (dB)
Figure 1. Gain distribution at 60mA
Process Capability for Vbias
180 LSL = 1.7, Nominal = 2.2, USL = 2.7
150 CPK Lower=1.93
120 CPK Upper=1.72
90 Std Dev=0.1
60
30
0
1.7 1.9 2.1 2.3 2.5 2.7 2.9
Vbias (V)
Figure 3. Vbias distribution at 60mA
Process Capability for NF
150 Nominal = 0.53, USL = 1.0
120 CPK=4.04
90 Std Dev=0.04
60
30
0
0.41
0.51 0.61
NF (dB)
0.71
Figure 2. NF distribution at 60mA
[2] Distribution data sample size is 500 samples taken from 3 different wafer lots. Future wafer allocated to this product may have nominal values
anywhere between the upper and lower limits. Circuit losses have been de-embedded from actual measurements.



Part Number MGA-631P8
Description Active Bias Low Noise Amplifier
Maker AVAGO
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