SKY67161-306LF DataSheet - Skyworks Solutions, Inc.

DATA SHEET
SKY67161-306LF: 0.6 to 1.1 GHz Two-Stage, High Linearity
and High Gain Low-Noise Amplifier
Applications
 GSM, CDMA, WCDMA, cellular infrastructure systems
 Ultra low-noise, high gain and high linearity systems
Active Bias
RF_OUT2
RF_OUT2
 Small, QFN (16-pin, 4 x 4 mm) Pb-free package (MSL1, 260 C
per JEDEC J-STD-020)
Skyworks Green™ products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of Green™, document number
SQ04-0074.
RF_OUT1
 Ultra-low NF: 0.30 dB @ 849 MHz
 High gain: 38 dB @ 849 MHz
 +5 V operation
 Wideband performance, useable to 1.1 GHz
RF_IN2
RF_IN1
Features
S2407
Figure 1. SKY67161-306LF Block Diagram
Description
The SKY67161-306LF is a GaAs pHEMT and HBT two-stage, LowNoise Amplifier (LNA) with active bias and high linearity
performance. The pHEMT front end of the device provides an
ultra-low Noise Figure (NF) while the HBT output stage provides
high gain, linearity, and efficiency.
The SKY67161-306LF operates in the frequency range of 0.6 to
1.1 GHz and is provided in a 4 x 4 mm, 16-pin Quad Flat No-Lead
(QFN) package. 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.
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N/C
N/C
N/C
N/C
DATA SHEET • SKY67161-306LF TWO-STAGE LNA
16
15
14
13
N/C
2
11
RF_OUT2
RF_IN1
3
10
RF_OUT2
RF_GND
4
9
N/C
5
6
7
8
RF_IN2
N/C
RF_OUT1
12
N/C
1
VBIAS
N/C
S2406a
Figure 2. SKY67161-306LF Pinout – 16-Pin QFN
(Top View)
Table 1. SKY67161-306LF Signal Descriptions
Pin
Name
Description
Pin
Name
Description
1
N/C
No connection. May be grounded with no
change in performance.
9
N/C
No connection. May be grounded with no
change in performance.
2
N/C
No connection. May be grounded with no
change in performance.
10
RF_OUT2
RF output of second stage amplifier. Bias to
the output of stage 2 is supplied through
pins 10 and 11.
3
RF_IN1
RF input to first stage amplifier
11
RF_OUT2
RF output of second stage amplifier. Bias to
the output of stage 2 is supplied through
pins 10 and 11.
4
RF_GND
RF ground for first stage amplifier
12
N/C
No connection. May be grounded with no
change in performance.
5
VBIAS
Bias for first stage amplifier. External
resistor sets current consumption.
13
N/C
No connection. May be grounded with no
change in performance.
6
N/C
No connection. May be grounded with no
change in performance.
14
N/C
No connection. May be grounded with no
change in performance.
7
RF_OUT1
RF output of first stage amplifer
15
N/C
No connection. May be grounded with no
change in performance.
8
RF_IN2
RF input to second stage amplifier
16
N/C
No connection. May be grounded with no
change in performance.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY67161-306LF are
provided in Table 2. Electrical specifications are provided in
Table 3.
Typical performance characteristics of the SKY67161-306LF are
illustrated in Figures 3 through 15.
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DATA SHEET • SKY67161-306LF TWO-STAGE LNA
Table 2. SKY67161-306LF Absolute Maximum Ratings
Parameter
Symbol
Minimum
Supply voltage
VDD
RF input power
PIN
Operating temperature
TOP
–40
Storage temperature
TSTG
–40
Junction temperature
TJ
Thermal resistance:
Stage 1
Stage 2
ΘJC
Electrostatic Discharge:
Charged Device Module (CDM), Class 2
Human Body Model (HBM), Class 1A
Machine Model (MM), Class A
ESD
Note:
Maximum
Units
5.5
V
+15
dBm
+85
C
+125
C
+150
C
45
130
C/W
C/W
250
250
25
V
V
V
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.
CAUTION: 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. Static charges may easily produce potentials of several kilovolts on the human body
or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times.
Table 3. SKY67161-306LF Electrical Specifications: VDD = +5 V (Note 1)
(TOP = +25 C, PIN = –30 dBm, Characteristic Impedance [ZO] = 50 Ω, Optimized for 849 MHz Operation, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Max
Units
0.30
0.50
dB
RF Specifications
Noise Figure (includes Evaluation Board
losses)
NF
@ 849 MHz
Small signal gain
|S21|
@ 849 MHz
38
dB
Input return loss
|S11|
@ 849 MHz
20
dB
Output return loss
|S22|
@ 849 MHz
14
dB
Reverse isolation
|S12|
@ 849 MHz
57
dB
3 Order Input Intercept Point
IIP3
@ 849 MHz, Δf = 1 MHz,
PIN = –37 dBm/tone
–2
+1
dBm
3rd Order Output Intercept Point
OIP3
@ 849 MHz, Δf = 1 MHz,
PIN = –37 dBm/tone
+36
+39
dBm
1 dB Input Compression Point
IP1dB
@ 849 MHz
–14.5
–12.5
dBm
1 dB Output Compression Point
OP1dB
@ 849 MHz
+22.5
+24.5
dBm
rd
36
DC Specifications
Supply voltage
VDD
5.0
V
Quiescent current
IDD
Set with external resistor
115
mA
Supply current @ IP1dB
IDD_P1DB
Set with external resistor
160
mA
Note 1: Performance is guaranteed only under the conditions listed in this Table.
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DATA SHEET • SKY67161-306LF TWO-STAGE LNA
Typical Performance Characteristics
(VDD = +5 V, TOP = +25 C, PIN = –30 dBm, Characteristic Impedance [ZO] = 50 Ω, Optimized for 849 MHz Operation, Unless Otherwise
Noted)
39
0.7
–40 °C
+25 °C
+85 °C
Small Signal Gain (dB)
Noise Figure (dB)
0.6
0.5
0.4
0.3
0.2
37
36
35
34
0.1
0
0.70
–40 °C
+25 °C
+85 °C
38
0.75
0.80
0.85
0.90
0.95
33
0.70
1.00
0.75
0.80
–8
–10
Reverse Isolation (dB)
Input Return Loss (dB)
–6
–12
–14
–16
–18
–20
–40 °C
+25 °C
+85 °C
–22
0.75
0.80
0.85
0.90
0.95
1.00
–40
–42
–44
–46
–48
–50
–52
–54
–56
–58
–60
–62
–64
–66
–68
–70
0.70
0.75
0.80
0.85
0.90
0.95
1.00
Figure 6. Reverse Isolation vs Frequency Over Temperature,
Narrow Band
+40
Small Signal Gain (dB)
0
–5
–10
–15
–20
–25
–30
–35
–40
–40 °C
+25 °C
+85 °C
0
–20
–40
–80
0.75
0.80
0.85
0.90
0.95
–40 °C
+25 °C
+85 °C
+20
–60
1.00
Frequency (GHz)
Figure 7. Output Return Loss vs Frequency Over Temperature,
Narrow Band
0
2
4
6
8
10
12
14
16
18
20
22
24
Frequency (GHz)
Figure 8. Small Signal Gain vs Frequency Over Temperature,
Wide Band
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1.00
Frequency (GHz)
Figure 5. Input Return Loss vs Frequency Over Temperature
Output Return Loss (dB)
0.95
–40 °C
+25 °C
+85 °C
Frequency (GHz)
–45
–50
0.70
0.90
Figure 4. Small Signal Gain vs Frequency Over Temperature,
Narrow Band
Figure 3. Noise Figure vs Frequency Over Temperature
–24
–26
0.70
0.85
Frequency (GHz)
Frequency (GHz)
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0
–2
–4
–6
–8
–10
–12
–14
–16
–18
–20
–22
–24
–26
–20
–40 °C
+25 °C
+85 °C
–30
Reverse Isolation (dB)
Input Return Loss (dB)
DATA SHEET • SKY67161-306LF TWO-STAGE LNA
–40 °C
+25 °C
+85 °C
0
2
4
6
8
10
12
14
16
18
20
22
–40
–50
–60
–70
–80
24
0
2
4
6
8
10
Frequency (GHz)
Figure 9. Input Return Loss vs Frequency Over Temperature,
Wide Band
18
20
22
24
–40 °C
+25 °C
+85 °C
5
–10
Stability Factor (μ1)
Output Return Loss (dB)
16
6
–20
–30
–40 °C
+25 °C
+85 °C
–40
0
2
4
6
8
10
12
14
16
18
20
22
4
3
2
1
0
24
0
2
4
Frequency (GHz)
6
8
10
12
14
16
18
20
22
24
Frequency (GHz)
Figure 11. Output Return Loss vs Frequency Over Temperature,
Wide Band
Figure 12. Stability Factor (μ1) vs Frequency Over Temperature
6
+41
–40 °C
+25 °C
+85 °C
5
+40
4
OIP3 (dBm)
Stability Factor (μ2)
14
Figure 10. Reverse Isolation vs Frequency Over Temperature,
Wide Band
0
–50
12
Frequency (GHz)
3
2
1
+39
+38
+37
–40 °C
+25 °C
+85 °C
+36
0
0
2
4
6
8
10
12
14
16
18
20
22
24
Frequency (GHz)
Figure 13. Stability Factor (μ2) vs Frequency Over Temperature
+35
0.70
0.75
0.80
0.85
0.90
0.95
1.00
Frequency (GHz)
Figure 14. OIP3 vs Frequency Over Temperature
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+41
40
+40
38
+39
Gain (dB)
OIP3 (dBm)
DATA SHEET • SKY67161-306LF TWO-STAGE LNA
+38
36
34
+37
4.5 V
5.0 V
5.5 V
+36
+35
0.70
0.75
0.80
0.85
0.90
0.95
–40 °C
+25 °C
+85 °C
32
1.00
30
+10
+12
+14
+16
+18
+20
+22
+24
+26
Output Power (dBm)
Frequency (GHz)
Figure 16. Gain vs Output Power Over Temperature
Figure 15. OIP3 vs Frequency Over Voltage
200
Supply Current (mA)
190
180
170
160
150
140
130
120
110
100
+10
–40 °C
+25 °C
+85 °C
+12
+14
+16
+18
+20
+22
+24
+26
Output Power (dBm)
Figure 17. Supply Current vs Output Power Over Temperature
Evaluation Board Description
Package and Handling Information
The SKY67161-306LF Evaluation Board is used to test the
performance of the SKY67161-306LF two-stage LNA. An
Evaluation Board schematic diagram is provided in Figure 18.
Table 4 provides the Evaluation Board Bill of Materials. An
assembly drawing for the Evaluation Board is shown in Figure 19.
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.
Package Dimensions
THE SKY67161-306LF 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.
The PCB layout footprint for the SKY67161-306LF is shown in
Figure 20. Typical case markings are noted in Figure 21. Package
dimensions for the 16-pin QFN are shown in Figure 22, and tape
and reel dimensions are provided in Figure 23.
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.
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DATA SHEET • SKY67161-306LF TWO-STAGE LNA
VDD2
–+
M18
×
1
×
2
×
×
14
13
N/C
N/C
15
N/C
16
×
M17
N/C
×
M16
12
N/C
N/C
N/C
RF_OUT2
RF_IN1
RF_OUT2
3
4
RF_GND
M26
5
N/C
VBIAS
M24
6
N/C
7
RF_IN2
M25
M9
11
10
RF_OUT1
M23
RFIN
×
RFOUT
M15
×
M11
8
M8
×
M27
9
M14
M13
M1
M7
M6
M10
M12
M5
M4
M2
+
–
M3
VDD1
Y0305
Figure 18. SKY67161-306LF Evaluation Board Schematic (VDD1 = VDD2 = +5 V)
Table 4. SKY67161-306LF Evaluation Board Bill of Materials (1 of 2)
Component
M1
Value
9.1 kΩ
Size
0402
Manufacturer
Kamaya
Part #
RMC1/16S-912JTH
Comments
Resistor, RMC, 1/16S, 5%
M2
24 Ω
0402
Kamaya
RMC1/16S-240JTH
Resistor, RMC, 1/16S, 5%
M3
1000 pF
0402
Murata
GRM155R71H102KA01
Capacitor
M4
10000 pF
0402
Murata
GRM155R71H103KA88
Capacitor
M5
3.3 nH
0402
Murata
LQG15HS3N3S02
Inductor
M6, M14
0Ω
0402
Kamaya
RMC1/16SJPTH
Resistor, RMC, 1/16S, 5%
M7
4.7 pF
0402
Murata
GRM1555C1H4R7CZ01
Capacitor
M8
0.1 μF
0402
Murata
GRM155R71C104KA88
Capacitor
M9
12 pF
0402
Murata
GRM1555C1H120JZ01
Capacitor
M10
10 kΩ
0402
Kamaya
RMC1/16S-103JTH
Resistor, RMC, 1/16S, 5%
M11
20 Ω
0402
Kamaya
RMC1/16S-200JTH
Resistor, RMC, 1/16S, 5%
M12, M13, M25
DNI
–
–
–
–
M15
18 nH
0402
Murata
LQG15HS18NJ02
Inductor
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DATA SHEET • SKY67161-306LF TWO-STAGE LNA
Table 4. SKY67161-306LF Evaluation Board Bill of Materials (2 of 2)
Component
Value
Size
Manufacturer
Part #
Comments
M16
33 nH
0402
Coilcraft
0402HP-33NX_L
Inductor
M17
100 pF
0402
Murata
GRM1555C1H101JZ01
Capacitor
M18
1 μF
0402
Murata
GRM155R61A105KE15
Capacitor
M19, M20, M21, M22
Unused
–
–
–
–
M23
33 pF
0402
Murata
GRM155C1H330JZ01
Capacitor
M24
18 nH
0402
Coilcraft
0402HP-18NX_L
Inductor
0.1 μF
0402
Murata
GRM155R71C104KA88
Capacitor
M26, M27
VDD2
GND
VDD1
GND
VBIAS
Components M19, M20, M21, and M22 are shown on the Evaluation Board assembly diagram but are not included in the schematic or in Table 4 since they are not needed for this
application.
GND
Note:
S3221
Figure 19. SKY67161-306LF Evaluation Board Assembly Diagram
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DATA SHEET • SKY67161-306LF TWO-STAGE LNA
16X 1.45
(To Metal Pads)
Pitch 0.65
Typ. 0.325
4X Plated Thru Vias
See Detail A
Metal GND Pad (Sq.) 2.15
0.30
Exposed Soldering Area
0.75
Detail A
S2274
Figure 20. SKY67161-306LF PCB Layout Footprint
Pin 1
Indicator
Skyworks Part #
Lot #
Date Code:
(YY = Calendar Year
WW = Week
CC = Country Code)
Figure 21. Typical Case Markings
(Top View)
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DATA SHEET • SKY67161-306LF TWO-STAGE LNA
C
4
B
Pin 1
Indicator
2.15 +0.10/–0.15
(0.2)
Seating Plane
(1.075)
0.02 +0.03/–0.02
Pin 1 Indicator (Option B)
Exposed Pad
Pin 1 Indicator (Option A)
4
(1.075)
0.20 Min.
16X
4
0.15 C
2X
2.15 +0.10/–0.15
A
0.08 C
2X
Detail A
16X
0.15 C
0.90 ± 0.10
Detail B
0.10 C
Side View
Top View
Bottom View
R0.12 Typ.
0.18
R0.20
Pin 1 Indicator
0.55 ± 0.10
0.18
0.345
(0.325)
0.30 +0.05
0.10 M C A B
0.65
0.345
Detail A
Detail B
Option A
Option B
Scale: 40X
16 Places
Scale: 20X
Even Terminal Side
Pin 1 Indicator
Scale: 10X
Pin 1 Indicator
Scale: 20X
All measurements are in millimeters.
Dimensioning and tolerancing according to ASME Y14.5M-1994.
Coplanarity applies to the exposed heat sink slug as well as the terminals.
Package may have option A or option B pin 1 indicator.
Figure 22. SKY67161-306LF 16-Pin QFN Package Dimensions
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S2400
DATA SHEET • SKY67161-306LF TWO-STAGE LNA
4.00 ± 0.10
0.30 ± 0.05 (T)
2.00 ± 0.05
∅1.50 +0.1/–0
8.00 ± 0.10
1.75 ± 0.10
B
A
B
1.10 ± 0.10 (Ko)
4.35 ± 0.10 (Ao)
12.00 ± 0.30
4.35 ± 0.10 (Bo)
A
5.50 ± 0.05
Pin 1
Indicator
∅1.50 Min.
R0.25 Typ.
B
A
Notes:
1. Carrier tape material: black conductive polystyrene, non-bakeable
2. Cover tape material: transparent conductive HSA
3. Cover tape size: 9.2 mm width
4. ESD surface resistivity is ≥1 x 105 ~ ≤ 1 x 1010 Ohms/square
S1846
per EIA, JEDEC TNR Specification.
5. All measurements are in millimeters
Figure 23. SKY67161-306LF Tape and Reel Dimensions
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DATA SHEET • SKY67161-306LF TWO-STAGE LNA
Ordering Information
Model Name
SKY67161-306LF Two-Stage LNA
Manufacturing Part Number
SKY67161-306LF
Evaluation Board Part Number
SKY67161-306LF-EVB
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