ASB ASL41S9 High linearity lna mmic Datasheet

ASL41S9
ASL41S9 Data Sheet
5 ~ 4000 MHz High Linearity LNA MMIC
1. Product Overview
1.1
General Description
ASL41S9, a wideband linear low noise amplifier MMIC, has low noise and high linearity, being suitable
for use in both receiver and transmitter of telecommunication systems about 500-1500 MHz. The amplifier
is available in a SOT89 package and passes through the stringent DC, RF and reliability tests.
1.2
Features
 17.5 dB Gain at 900 MHz
 0.55 dB NF at 900 MHz
 22.5 dBm P1dB at 900 MHz
 Current Adjustable: OIP3 at 900 MHz of 38 dBm @ 72mA, 43 dBm @ 90 mA
 MTTF > 100 Years
 Single Supply: +5 V
1.3
Applications
 Low Noise Amplifier for LTE, GSM, and CDMA
 Other Low Noise Application
1.4
Package Profile & RoHS Compliance
SOT89, 4.5x4.0 mm2, surface mount
1/11
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RoHS-compliant
January 2017
ASL41S9
2. Summary on Product Performances
2.1
Typical Performance
Supply voltage = +5 V, TA = +25 C, ZO = 50 
Parameter
Typical
Unit
Frequency
700
900
1200
700
900
1200
MHz
Noise Figure
0.60
0.55
0.65
0.60
0.55
0.65
dB
Gain
19.4
17.5
15.3
19.5
17.6
15.4
dB
S11
-20.0
-18.0
-18.0
-20.0
-18.0
-18.0
dB
S22
-20.0
-20.0
-20.0
-20.0
-20.0
-20.0
dB
Output IP31)
37.5
38.0
36.5
40.0
43.0
38.0
dBm
Output P1dB
22.5
22.5
22.0
23.0
23.0
23.0
dBm
Current
72
90
mA
Device Voltage
+5
+5
V
1) OIP3 is measured with two tones at the output power of +5 dBm/tone separated by 1 MHz.
2.2
Product Specification
Supply voltage = +5 V, TA = +25 C, ZO = 50 
Parameter
Min
Typ
Frequency
900
Noise Figure
0.55
Unit
MHz
0.65
dB
Gain
16.5
17.5
dB
S11
-15
-18
dB
S22
-17
-20
dB
Output IP3
36
38
dBm
Output P1dB
21.5
22.5
dBm
Current
57
72
Device Voltage
2.3
2/11
Max
+5
87
mA
V
Pin Configuration
Pin
Description
1
RF_IN
2
Ground
3
RF_OUT & Bias
ASB Inc.
Simplified Outline
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ASL41S9
2.4
Absolute Maximum Ratings
Parameters
Max. Ratings
Operation Case Temperature
-40 to 85 C
Storage Temperature
-40 to 150 C
Device Voltage
+5.5 V
Operation Junction Temperature
+150 C
Input RF Power (CW, 50  matched)
+25 dBm
2.5
Thermal Resistance
Symbol
Description
Typ
Unit
Rth
Thermal resistance from junction to lead
80
C/W
2.6
ESD Classification & Moisture Sensitivity Level
ESD Classification
HBM
Class 1A
Voltage Level: 400 V
MM
Class A
Voltage Level: 50 V
CAUTION: Gallium Arsenide Integrated Circuits are sensitive to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control techniques should be used when handling
these devices.
Moisture Sensitivity Level
MSL 3 at 260 C reflow
(Intentionally Blanked)
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ASL41S9
3. Application: 600 ~ 1200 MHz (72 mA @ R1 = 5.1 k)
3.1
Application Circuit & Evaluation Board
Vdevice = +5 V
C4
Note : A shunt R1 is a bias resistor
requisite to operate ASL41S9 properly.
A user can easily ADJUST an operating
current.
L2
C1
RF IN
C3
C2
RF OUT
ASL41S9
L1
R1
R2
PCB Information
1) 
Material
FR4
Thickness (mm)
0.8
Size (mm)
40x40
EB No.
EB-89-A13
Note:
1) Connect 0 
Bill of Material
4/11
Symbol
Value
Size
Description
Manufacturer
ASL41S9
-
-
MMIC Amplifier
ASB
C1
8 pF
0603
DC blocking capacitor
Murata
C2
100 pF
0603
DC blocking capacitor
Murata
C3
100 pF
0603
Decoupling capacitor
Murata
C4
1 F
0603
Decoupling capacitor
Murata
L1
15 nH
0603
Matching inductor
Murata
L2
27 nH
0603
RF choke inductor
Murata
R1
5.1 k
0603
Current adjust resistor
Samsung
R2
51 k
0603
Bias resistor
Samsung
ASB Inc.
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January 2017
ASL41S9
3.2
Performance Table
Supply voltage = +5 V, TA = +25 C, ZO = 50 
Parameter
Typical
Frequency
600
700
800
900
1000
1100
1200
MHz
Noise Figure
0.65
0.60
0.55
0.55
0.60
0.65
0.65
dB
Gain
20.4
19.4
18.4
17.5
16.6
15.9
15.3
dB
S11
-15
-20
-20
-18
-18
-18
-18
dB
S22
Unit
-18
-20
-20
-20
-20
-20
-20
dB
IP31)
36.0
37.5
37.5
38.0
38.0
37.5
36.5
dBm
Output P1dB
22.5
22.5
22.5
22.5
22.5
22.0
22.0
dBm
Current
72
mA
Device Voltage
+5
V
Output
1) OIP3 is measured with two tones at the output power of +5 dBm/tone separated by 1 MHz.
40
30
20
10
0
-10
-20
-30
-40
-50
-60
S21
S11
K
0
5/11
S22
S12
500
ASB Inc.
1000 1500 2000
Frequency (MHz)
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2500
10
9
8
7
6
5
4
3
2
1
0
3000
Stability Factor, K
Plot of S-parameter & Stability Factor
S-parameters (dB)
3.3
January 2017
ASL41S9
3.4
Plot of Noise Figure
2
NF (dB)
1.5
1
NF
0.5
0
500
6/11
700
ASB Inc.

900
1100
Frequency (MHz)
[email protected]
1300
January 2017
ASL41S9
4. Application: 600 ~ 1200 MHz (90 mA @ R1 = 5.6 k)
4.1
Application Circuit & Evaluation Board
Vdevice = +5 V
C4
Note : A shunt R1 is a bias resistor
requisite to operate ASL41S9 properly.
A user can easily ADJUST an operating
current.
L2
C1
RF IN
C3
C2
RF OUT
ASL41S9
L1
R1
R2
PCB Information
Material
FR4
Thickness (mm)
0.8
Size (mm)
40x40
EB No.
EB-89-A13
1) 
Note:
1) Connect 0 
Bill of Material
7/11
Symbol
Value
Size
Description
Manufacturer
ASL41S9
-
-
MMIC Amplifier
ASB
C1
8 pF
0603
DC blocking capacitor
Murata
C2
100 pF
0603
DC blocking capacitor
Murata
C3
100 pF
0603
Decoupling capacitor
Murata
C4
1 F
0603
Decoupling capacitor
Murata
L1
15 nH
0603
Matching inductor
Murata
L2
27 nH
0603
RF choke inductor
Murata
R1
5.6 k
0603
Current adjust resistor
Samsung
R2
51 k
0603
Bias resistor
Samsung
ASB Inc.
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January 2017
ASL41S9
4.2
Performance Table
Supply voltage = +5 V, TA = +25 C, ZO = 50 
Parameter
Typical
Frequency
600
700
800
900
1000
1100
1200
MHz
Noise Figure
0.65
0.60
0.55
0.55
0.60
0.65
0.65
dB
Gain
20.5
19.5
18.5
17.6
16.7
16.0
15.4
dB
S11
-15
-20
-20
-18
-18
-18
-18
dB
S22
Unit
-18
-20
-20
-20
-20
-20
-20
dB
IP31)
38.0
40.0
42.0
43.0
42.0
40.0
38.0
dBm
Output P1dB
23.0
23.0
23.0
23.0
23.0
23.0
23.0
dBm
Current
90
mA
Device Voltage
+5
V
Output
1) OIP3 is measured with two tones at the output power of +7dBm/tone separated by 1 MHz.
40
30
20
10
0
-10
-20
-30
-40
-50
-60
S21
S11
K
0
8/11
S22
S12
500
ASB Inc.
1000 1500 2000
Frequency (MHz)

[email protected]
2500
10
9
8
7
6
5
4
3
2
1
0
3000
Stability Factor, K
Plot of S-parameter & Stability Factor
S-parameters (dB)
4.3
January 2017
ASL41S9
4.4
Plot of Noise Figure
2
NF (dB)
1.5
1
NF
0.5
0
500
9/11
700
ASB Inc.

900
1100
Frequency (MHz)
[email protected]
1300
January 2017
ASL41S9
5. Package Outline (SOT89, 4.5x4.0x1.5 mm)
Part No.
Lot No.
Symbols
A
L
b
b1
C
D
D1
E
E1
e1
H
S
e
ASL41S9
Pxxxx
Dimensions (In mm)
MIN
NOM
1.40
1.50
0.89
1.04
0.36
0.42
0.41
0.47
0.38
0.40
4.40
4.50
1.40
1.60
3.64
--2.40
2.50
2.90
3.00
0.35
0.40
0.65
0.75
1.40
1.50
MAX
1.60
1.20
0.48
0.53
0.43
4.60
1.75
4.25
2.60
3.10
0.45
0.85
1.60
6. Surface Mount Recommendation (In mm)
NOTE
1. The number and size of ground via holes in a circuit
board are critical for thermal and RF grounding
considerations.
2. We recommend that the ground via holes be
placed on the bottom of the lead pin 2 and exposed
pad of the device for better RF and thermal
performance, as shown in the drawing at the left
side.
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ASL41S9
7. Recommended Soldering Reflow Profile
260 C
20~40 sec
Ramp-up
(3 C/sec)
Ramp-down
(6 C/sec)
200 C
150 C
60~180 sec
(End of Datasheet)
Copyright 2013-2017 ASB Inc. All rights reserved. Datasheet subject to change without notice. ASB
assumes no responsibility for any errors which may appear in this datasheet. No part of the datasheet
may be copied or reproduced in any form or by any means without the prior written consent of ASB
11/11
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January 2017
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