DATA SHEET
SKY67154-396LF: 0.7 to 3.8 GHz Ultra-Low-Noise Amplifier
Applications
LTE, GSM, WCDMA, HSDPA macro-base and micro-base
stations
L and S band ultra-low-noise receivers
Cellular repeaters, DAS, and RRH/RRUs
High-temperature transceiver applications to +105 °C
RFOUT/VDD
RFIN
ENABLE
Active
Bias
VBIAS
Features
Ultra-low Evaluation Board NF:
0.45 dB @ 849 MHz
0.55 dB @ 1850 MHz
0.65 dB @ 2500 MHz
0.9 dB @ 3600 MHz
204559-001
Figure 1. SKY67154-396LF Block Diagram
High OIP3 performance: >+38 dBm over 700 to 3800 MHz
Adjustable supply current from 30 to 100 mA
Flexible bias voltage: 3 to 5 V
Temperature and process-stable active bias
Miniature DFN (8-pin, 2 x 2 mm) package
(MSL1 @ 260 C per JEDEC J-STD-020)
Skyworks GreenTM products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of GreenTM, document number
SQ04-0074.
N/C
1
8
N/C
RFIN
2
7
RFOUT/VDD
VBIAS
3
6
ENABLE
N/C
4
5
N/C
Description
The SKY67154-396LF is GaAs, pHEMT low-noise amplifier (LNA)
with an active bias, high linearity, superior gain, and
industry-leading noise figure (NF) performance from 700 to
3800 MHz. The device features Skyworks advanced, pHEMT
enhancement mode process in a compact 2 x 2 mm, 8-pin Dual
Flat No-Lead (DFN) package.
The internal active bias circuitry provides stable performance over
temperature and process variation. The device offers the ability to
externally adjust supply current. Supply voltage is applied to the
RFOUT/VDD pin through an RF choke inductor. The RFIN and
RFOUT/VDD pins should be DC blocked to ensure proper
operation.
The SKY67154-396LF operates in the frequency range of 0.7 to
3.8 GHz using a common layout and band-specific tunes.
A functional block diagram is shown in Figure 1. The pin
configuration and package are shown in Figure 2. Signal pin
assignments and functional pin descriptions are provided in
Table 1.
204559-002
Figure 2. SKY67154-396LF Pinout
(Top View)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY67154-396LF: ULTRA-LOW-NOISE AMPLIFIER
Table 1. SKY67154-396LF Signal Descriptions
Pin
Name
Description
Pin
Name
Description
1
N/C
No connection. May be connected to ground
with no change in performance.
5
N/C
No connection. May be connected to ground
with no change in performance.
2
RFIN
RF input. DC blocking capacitor required.
6
ENABLE
Enable pin. Active low = amplifier “on” state
3
VBIAS
Bias voltage for input gate. External resistor
sets current consumption.
7
RFOUT/VDD
RF output. Apply VDD through RF choke
inductor. DC blocking capacitor required.
4
N/C
No connection. May be connected to ground
with no change in performance.
8
N/C
No connection. May be connected to ground
with no change in performance.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY67154-396LF are
provided in Table 2.
Electrical specifications are provided in Tables 3 and 4.
Table 2. SKY67154-396LF Absolute Maximum Ratings1
Parameter
Symbol
Minimum
Maximum
Units
5.5
V
Supply voltage
VDD
Quiescent supply current
IDQ
120
mA
RF input power
PIN
+21
dBm
Storage temperature
TSTG
-40
+150
C
Operating temperature
TA
-40
Junction temperature
TJ
Electrostatic discharge:
ESD
Charged Device Model (CDM), Class C3
Human Body Model (HBM), Class 1B
+105
C
+150
C
1000
500
V
V
1 Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters
set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
ESD HANDLING: Although this device is designed to be as robust as possible, electrostatic discharge (ESD) can damage this device.
This device must be protected at all times from ESD when handling or transporting. Static charges may easily produce
potentials of several kilovolts on the human body or equipment, which can discharge without detection.
Industry-standard ESD handling precautions should be used at all times.
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DATA SHEET • SKY67154-396LF: ULTRA-LOW-NOISE AMPLIFIER
Table 3. SKY67154-396LF Electrical Specifications: Thermal Data1
(VDD = 5 V, TA = +25 C, PIN = -25 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
ΘJC
Thermal resistance
VDD = 5 V, IDQ = 70 mA, no
RF applied, dissipated
power = 0.35 W
Channel temperature @ +85 °C reference
(package heat slug)
Typ
Max
Units
45
°C/W
101
°C
1 Performance is guaranteed only under the conditions listed in this table.
Table 4. SKY67154-396LF Electrical Specifications: 2300 to 2700 MHz Optimized Tuning1
(VDD = 5 V, TA = +25 C, PIN = -20 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typ
Max
Units
0.55
0.7
dB
19
20
dB
RF Specifications
NF
@ 2500 MHz, includes
Evaluation Board loss
Small signal gain
|S21|
@ 2500 MHz
Input return loss
|S11|
@ 2500 MHz
9
dB
Output return loss
|S22|
@ 2500 MHz
15
dB
Reverse isolation
|S12|
@ 2500 MHz
27
dB
IIP3
@ 2500 MHz,
Δf = 1 MHz,
PIN = -20 dBm/tone
+14
+17
dBm
Noise figure
Third order input intercept point
17.5
Third order output intercept point
OIP3
@ 2500 MHz,
Δf = 1 MHz,
PIN = -20 dBm/tone
+33
+38
dBm
1 dB input compression point
IP1dB
@ 2500 MHz
0
+3
dBm
1 dB output compression point
OP1dB
@ 2500 MHz
+19
+21
dBm
58
72
DC Specifications
Supply voltage
VDD
Quiescent supply current
IDQ
5
Bias current
IBIAS
Enable voltage:
Gain mode
Power-down mode
VENABLE
Enable rise time2
TR
@ 2500 MHz
250
ns
Enable fall time2
TF
@ 2500 MHz
250
ns
Set with external resistor
V
86
µA
500
0.2
5.5
0
1.5
mA
V
V
1 Performance is guaranteed only under the conditions listed in this table.
2 Tested with a 100 kHz square wave, 1000 pF capacitance-to-ground on the ENABLE pin. Switching time can be improved by reducing the value of, or eliminating, the 1000 pF capacitor on
pin 6 (component M17 in Figure 5).
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY67154-396LF: ULTRA-LOW-NOISE AMPLIFIER
Evaluation Board Description
The SKY67154-396LF Evaluation Board is used to test the
performance of the SKY67154-396LF LNA.
An assembly drawing for the Evaluation Board is shown in
Figure 3.
The layer detail is provided in Figure 4. An Evaluation Board
schematic diagram is provided in Figure 5. Table 5 lists the Bill of
Materials (BOM) for the Evaluation Board.
204559-003
Figure 3. SKY67154-396LF Evaluation Board Assembly Diagram
Cross Section
Name Thickness (mm) Material
MSK-NS
TRA-NS
0.03556
Cu foil
Laminate
0.254 ± 0.152
Rogers 4350B
0.0178
Cu foil
TRA-2
Laminate
TRA-3
Laminate
TRA-FS
0.889 nom. FR4 Prepreg (Note 1)
0.0178
Cu foil
0.254 ± 0.152
FR4 Core
0.0178
Cu foil
MSK-PS
Note 1: Adjust this thickness to meet total thickness goal.
General Notes:
Material: Rogers R04350, εr = 3.66
Layer 1 thickness: 0.254 mm
Overall board thickness: 1.575 mm
50 Ω transmission line width: 0.522 mm
Coplanar ground spacing: 0.394 mm
Via diameter: 0.254 mm
204559-004
Figure 4. Layer Detail Physical Characteristics
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DATA SHEET • SKY67154-396LF: ULTRA-LOW-NOISE AMPLIFIER
VDD
GND
VBIAS
GND
GND
ENABLE
6-Pin Header
VBIAS
VDD
+–
+–
M16
M8
M7
M6
M9
1
8
×
M1
M3
N/C
N/C
2
RF Input
RFIN
M2
M11
M12
RF Output
M13
6
M4
VBIAS
M15
ENABLE
4
5
×
M14
RFOUT/VDD
3
M5
× M10
7
N/C
N/C
×
M17
Enable
+–
204559-005
Figure 5. SKY67154-396LF Evaluation Board Schematic
Table 5. SKY67154-396LF Evaluation Board Bill of Materials (BOM) for 2300 to 2700 MHz Optimized Tuning
Component
Description
Value
Capacitor
M2
Capacitor
1.2 pF
M3
Inductor
1 nH
M4
Inductor
12 nH
0402
M5
Capacitor
56 pF
M6
Resistor
9.1 kΩ
M7
Capacitor
10000 pF
M8
Capacitor
1000 pF
M9
Capacitor
M10
M11
M12
Capacitor
M14
0402
Manufacturer
Mfr Part Number
Murata
GJM1555C1H200JB01
0402
Murata
GJM1555C1H1R2CB01
0402
Coilcraft
0402HP-1NOXJL
Coilcraft
0402HP-12NX_L
0402
Murata
GRM1555C1H560JZ01
0402
Kamaya
RMC1/16S-0912JTH
0402
Murata
GRM155R71H103KA88
0402
Murata
GRM155R71H102KA01
22 pF
0402
Murata
GRM1555C1H220JZ01
Inductor
2.7 nH
0402
Murata
LQG15HS2N7S02
Resistor
2 kΩ
0402
Kamaya
RMC1/16S-202JTH
3.9 pF
0402
Murata
GRM1555C1H3R9CZ01
0402
Kamaya
RMC1/16SJPTH
M13
20 pF
Size
M1
DNP
Resistor
M15
OΩ
DNP
M16
Resistor
OΩ
0402
Kamaya
RMC1/16SJPTH
M17
Capacitor
1000 pF
0402
Murata
GRM155R71H102KA01
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY67154-396LF: ULTRA-LOW-NOISE AMPLIFIER
Package Dimensions
Package and Handling Information
The PCB layout footprint for the SKY67154-396LF is provided in
Figure 6. Typical part markings are shown in Figure 7. Package
dimensions are shown in Figure 8, and tape and reel
dimensions are provided in Figure 9.
Instructions on the shipping container label regarding exposure
to moisture after the container seal is broken must be followed.
Otherwise, problems related to moisture absorption may occur
when the part is subjected to high temperature during solder
assembly.
The SKY67154-396LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260 C. It can be used for lead or lead-free soldering.
For additional information, refer to the Skyworks Application
Note, Solder Reflow Information, document number 200164.
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format.
8X 0.70
8X 0.45
R0.20
Pin 1
8X 0.25
0.50 Pitch
2X 0.85
0.25
2X 0.45
Exposed Solder Areas
(Typical)
All dimensions are in millimeters
204559-006
Figure 6. SKY67154-396LF PCB Layout Footprint
(Top View)
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DATA SHEET • SKY67154-396LF: ULTRA-LOW-NOISE AMPLIFIER
Figure 7. Typical Part Markings
(Top View)
0.90 +0.10/–0.15
C
2
0.20 Ref
Seating Plane
A
B
0.45 +0.05/–0.07
Exposed Pad
Detail A
0.02 +0.03/–0.02
Pin 1
Indicator
-B-
2
0.15 C
2X
8X
3
0.08 C
Detail C
0.75 ±0.05
0.15 C
2X
1.70 +0.10/–0.15
0.85 +0.05/–0.07
Detail B
2 Places
0.10 C
Top View
Side View
Bottom View
R0.12 Typ
0.25
0.30 ± 0.10
-A-
CL
R0.20
Pin 1 Indicator
0.5
0.25 +0.05/–0.07 5
0.10 M C A B
0.05 M C
Detail C
8 Places
Detail B
Detail A
Notes:
1.
2.
3.
4.
5.
All measurements are in millimeters.
Dimensions and tolerances according to ASME Y14.5M-1994.
Coplanarity applies to the exposed heat sink ground pad as well as the terminals.
Plating requirement per source control drawing (SCD) 2504.
Dimension applies to metallized terminal and is measured between 0.15 mm and 0.30 mm from terminal tip.
204559-008
Figure 8. SKY67154-396LF Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • SKY67154-396LF: ULTRA-LOW-NOISE AMPLIFIER
∅1.50+ 0.10/–0.00
0.30 ± 0.05 (T)
Pin 1
4.00 ± 0.10
2.00 ± 0.05
4.00 (see Note 4)
1.75 ± 0.10
2.30 (Bo)
A
B
1.00 (Ko)
8.00 +0.30/–0.10
A
3.50 ± 0.05
B
∅1.00 Min
R0.30 Typ
Detail B
2.30 (Ao)
Notes:
1.
2.
3.
4.
5.
Carrier tape: black conductive polystyrene.
Cover tape material: transparent conductive HSA.
Cover tape size: 5.40 mm width.
Ten sprocket hole pitch cumulative tolerance = ±0.20 mm.
ESD surface resistivity is ≤1 x 108 Ohms/square per EIA, JEDEC
tape and reel specification.
6. Ao and Bo measurement point to be 0.30 mm from bottom pocket.
7. All measurements are in millimeters.
Detail A
Figure 9. SKY67154-396LF Tape and Reel Dimensions
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204559-009
DATA SHEET • SKY67154-396LF: ULTRA-LOW-NOISE AMPLIFIER
Ordering Information
Part Number
SKY67154-396L
Product Description
0.7 to 3.8 GHz Ultra-Low-Noise Amplifier
Evaluation Board Part Number
SKY67154-396LF-EVB
Copyright © 2017-2019 Skyworks Solutions, Inc. All Rights Reserved.
Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by
Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the
information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to
update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes.
No license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. Skyworks assumes no liability for any materials, products or
information provided hereunder, including the sale, distribution, reproduction or use of Skyworks products, information or materials, except as may be provided in Skyworks Terms and Conditions
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Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifications as a result of design defects, errors, or operation of
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applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifications or parameters.
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