AS179_92LF_200176H.pdf

DATA SHEET
AS179-92LF: 20 MHz to 4.0 GHz GaAs SPDT Switch
Applications
 General purpose medium-power switches in telecommunication
applications
 Transmit/receive switches in 802.11 b/g WLAN Bluetooth®
systems
J3
V2
J1
Features
200176H-001
Figure 1. AS179-92LF Block Diagram
Description
The AS179-92LF is a pHEMT GaAs FET single-pole, double-throw
(SPDT) switch. The device features low insertion loss and positive
voltage operation with very low DC power consumption. The
AS179-92LF is manufactured in a compact, low-cost
2.00 x 1.25 mm, 6-pin SC-70 package.
V1
6
5
4
1
2
3
J2
J1
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.
GND
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.
V1
V2
 Ultra-miniature, SC-70 (6-pin, 2.00 x 1.25 mm) package
(MSL1, 260 C per JEDEC J-STD-020)
J2
J3
 IP1dB = +30 dBm typical @ 3 V
 IP3 = +43 dBm typical @ 3 V
 Low insertion loss, 0.3 dB @ 0.9 GHz
 Low DC power consumption
200176H-002
Figure 2. AS179-92LF Pinout
(Top View)
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DATA SHEET • AS179-92LF: SPDT SWITCH
Table 1. AS179-92LF Signal Descriptions1
Pin
1
Name
Description
J3
Pin
RF output (Note 1)
4
Name
Description
V1
DC control voltage
2
GND
Ground
5
J1
RF output (Note 1)
3
J2
RF output (Note 1)
6
V2
DC control voltage
1 A 100 pF blocking capacitor is required for >500 MHz operation. Use larger value capacitors for lower frequency operation.
Electrical and Mechanical Specifications
The absolute maximum ratings of the AS179-92LF are provided in
Table 2. Electrical specifications are provided in Table 3. Typical
performance characteristics are shown in Figures 3, 4, and 5.
Table 2. AS179-92LF Absolute Maximum Ratings1
Parameter
Symbol
Control voltage
VCTL
Minimum
Maximum
Units
–1.2
+8.0
V
6
500
W
mW
RF input power (VCTL = 0 to 7 V):
>500 MHz
<500 MHz
Operating temperature
TOP
–40
+85
°C
Operating temperature (Pinmax < +32 dBm for TOP = 105 °C)
TOP
–40
+105
°C
Storage temperature
TSTG
–65
+150
°C
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.
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. AS179-92LF Electrical Specifications1 (1 of 2)
(VCTL = 0 to3 V, TOP = +25 C, Characteristic Impedance = 50 Ω, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Insertion loss2,3
IL
0.02 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 3.0 GHz
3.0 to 4.0 GHz
Isolation3
ISO
0.02 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 3.0 GHz
22
22
20
Return loss3,4
RL
0.02 to 1.0 GHz
1.0 to 2.0 GHz
2.0 to 3.0 GHz
3.0 to 4.0 GHz
15
15
14
13
Switching characteristics:
Rise/fall
On/off
Video feedthrough
10/90% or 90/10% RF
50% control to 90/10% RF
tR = 1 ns, bandwidth = 500 MHz
Typical
Max
Units
0.3
0.4
0.4
0.5
0.4
0.5
0.6
0.7
dB
dB
dB
dB
dB
dB
dB
25
25
23
20
20
17
15
10
100
25
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January 25, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200176H
dB
dB
dB
dB
ns
ns
mV
DATA SHEET • AS179-92LF SPDT SWITCH
Table 3. AS179-92LF Electrical Specifications1 (2 of 2)
(VCTL = 0 to 3 V, TOP = +25 C, Characteristic Impedance = 50 Ω, Unless Otherwise Noted)
Parameter
1 dB input compression point
Third order intercept point
Symbol
IP1dB
IP3
Test Condition
Min
VCTL_L
VCTL_H
VCTL_H
Max
Units
@ 0.5 to 3.0 GHz
VCTL = 0 to 2 V
VCTL = 0 to 3 V
VCTL = 0 to 5 V
+26
+30
+34
dBm
dBm
dBm
@ 48 MHz
VCTL = 0 to 3 V
VCTL = 0 to 5 V
+28.9
+29.5
dBm
dBm
@ 3.0 to 4.0 GHz
VCTL = 0 to 3 V
VCTL = 0 to 5 V
+29
+32
dBm
dBm
+5 dBm two-tone input power
@ 0.5 to 3.0 GHz
VCTL = 0 to 2 V
VCTL = 0 to 3 V
VCTL = 0 to 5 V
+43
+43
+50
dBm
dBm
dBm
+5 dBm two-tone input power
@3.0 to 4.0 GHz
VCTL = 5 V
+45
dBm
25
°C/W
Thermal resistance
Control voltage:
Low (@ 20 μA max)
High (@100 μA max)
High (@ 200 μA max)
Typical
0
0.2
2.0
5.0
V
V
V
1 Performance is guaranteed only under the conditions listed in this table.
2 Insertion loss changes by 0.003 dB/°C.
3 Typical performance maintained with VCTL = 0.2 V.
4 Insertion loss state.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • AS179-92LF: SPDT SWITCH
Typical Performance Characteristics
(VCTL = 0 to 3 V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [Zo] = 50 Ω, CBL = 100 pF, Unless Otherwise Noted)
0
0
–10
Isolation (dB)
–0.4
–0.6
–20
–30
–40
–1.0
0
0.5
1.0
1.5
2.5
2.0
3.0
3.5
J1–J3
J1–J2
–60
–70
4.0
0
0.5
1.0
1.5
Frequency (GHz)
2.0
2.5
Figure 3. Insertion Loss vs Frequency
Figure 4. Isolation vs Frequency
0
J1 |S11|
J2 |S22|
J1 |S11|
J3 |S22|
–10
–15
–20
–25
–30
200176H-005
Return Loss (dB)
–5
–35
–40
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
Figure 5. Return Loss vs Frequency
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3.0
Frequency (GHz)
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3.5
200176H-004
–50
J1–J2
J1–J3
–0.8
200176H-003
Insertion Loss (dB)
–0.2
4.0
DATA SHEET • AS179-92LF SPDT SWITCH
Table 4. Truth Table (VHIGH = 2 to 5 V)1
V1
V2
J1-J2
J1-J3
VHIGH
0
Isolation
Insertion loss
0
VHIGH
Insertion loss
Isolation
1 Any state other than described in this table places the device in an undefined state. An undefined state does not damage the device.
Evaluation Board Description
Package and Handling Information
The AS179-92LF Evaluation Board is used to test the performance
of the AS179-92LF SPDT switch. An Evaluation Board schematic
diagram is provided in Figure 6. An assembly drawing for the
Evaluation Board is shown in Figure 7.
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
Package dimensions are shown in Figure 8, and tape and reel
dimensions are provided in Figure 9.
The AS179-92LF is rated to Moisture Sensitivity Level 1 (MSL1) at
260 C. It can be used for lead or lead-free soldering.
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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • AS179-92LF: SPDT SWITCH
C3
1
RF Output
J3
V2
6
2
GND
J1
5
RF Output
3
J2
V1
4
DC Control
Voltage
DC Control
Voltage
C1
C2
RF Output
Note: Use 100 pF blocking capacitors (C1, C2, C3) for >500 MHz operation. Higher values
recommended for lower frequency operation. Exposed paddle must be grounded.
Use 10 nF blocking capacitors (C1, C2, C3) for <50 MHz operation.
200176H-006
Figure 6. AS179-92LF Evaluation Board Schematic
THRU
V2
C3
J3
C1
J1
J2
V1
C2
200176H-007
Figure 7. AS179-92LF Evaluation Board Assembly Diagram
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DATA SHEET • AS179-92LF SPDT SWITCH
2.00 ± 0.20
0.90 ± 0.10
0.65 mm BSC
0.95 ± 0.15
1.25 ± 0.10
2.20 ± 0.20
0.005 ± 0.005
0.23 Ref
Pin 1 Indicator
0.25 ± 0.15
0.14 ± 0.04
Notes:
0.20 mm ± 0.10
All measurements are in millimeters.
Dimensions and tolerances according to ASME Y14.5M-1994.
200176H-008
Figure 8. AS179-92LF Package Dimensions
∅1.50+ 0.10/–0.00
4.00 ± 0.10
2.00 ± 0.05
4.00 (Note 4)
1.20 ± 0.10 (Ko)
1.75 ± 0.10
A
8.00 +0.30/–0.10
A
3.50 ± 0.05
2.70 ± 0.10 (Bo)
B
Pin 1
B
B
0.30 ± 0.05
∅1.00 Min
R0.30 Typ
2.25 ± 0.10 (Ao)
A
Notes:
1.
2.
3.
4.
5.
Carrier tape: black conductive polystyrene.
Cover tape material: transparent conductive HSA.
Cover tape size: 5.40 mm width.
10-sprocket hole pitch cumulative tolerance ±0.20 mm.
All measurements are in millimeters.
200176H-009
Figure 9. AS179-92LF Tape and Reel Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200176H • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 25, 2015
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DATA SHEET • AS179-92LF: SPDT SWITCH
Ordering Information
Model Name
AS179-92LF: SPDT Switch
Manufacturing Part Number
AS179-92LF
Evaluation Board Part Number
AS179-92LF-EVB
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January 25, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200176H