ETC AS179-000

Preliminary
PHEMT GaAs IC SPDT Switch DC–3 GHz
AS179-000
Applications
■ General Purpose Medium Power Switches
in Telecommunication Applications
■ T/R Switches in 802.11b, g WLAN Blue
Tooth Systems
Outline Drawing
0.0327 (0.83 mm)
0.0295 (0.75 mm)
0.0281 (0.71 mm)
Features
■ P1 dB +30 dBm Typical @ +3 V
0.0134 (0.34 mm)
■ IP3 43 dBm Typical @ +3 V
■ Low Insertion Loss (0.3 dB @ 0.9 GHz)
■ Low DC Power Consumption
0.0030 (0.08 mm)
■ 100% RF Tested in Die Form
0.0199 (0.50 mm)
0.0169 (0.43 mm)
0.0157 (0.40 mm)
The AS179-000 is an IC FET SPDT switch. The
AS179-000 features low insertion loss and positive
voltage operation with very low DC power consumption.
This general purpose switch can be used in a variety of
telecommunications applications.
0.0123 (0.31 mm)
Description
0.0032 (0.08 mm)
0.0000 (0.00 mm)
0.0000 (0.00 mm)
■ PHEMT Process
Bond pad dimensions: 0.003 (0.075 mm) x 0.003 (0.075 mm).
Bond pad metalization: gold.
Backside metalization: none.
Chip thickness 0.008 ± 0.001 (0.203 ± 0.025).
Electrical Specifications at 25°C (0, +3 V)
Parameter1
Insertion
Frequency2
Loss3
Min.
DC–1.0 GHz
1.0–2.0 GHz
2.0–3.0 GHz
Isolation
DC–1.0 GHz
1.0–2.0 GHz
2.0–3.0 GHz
VSWR4
DC–3.0 GHz
22
20
20
Typ.
Max.
Unit
0.30
0.30
0.35
0.4
0.4
0.5
dB
dB
dB
25
22
22
1.1:1
dB
dB
dB
1.3:1
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
4. Insertion loss state.
Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email sales@skyworksinc.com • www.skyworksinc.com
Specifications subject to change without notice. 2/03A
1
PHEMT GaAs IC SPDT Switch DC–3 GHz
AS179-000
Operating Characteristics at 25°C (0, +3 V)
Parameter
Condition
Switching Characteristics1
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
Input Power for 1 dB Compression
0/+3 V
0/+5 V
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +5 dBm
0/+3 V
0/+5 V
Control Voltages
Frequency
Min.
Typ.
Max.
Unit
10
20
25
ns
ns
mV
0.5–3.0 GHz
0.5–3.0 GHz
+30
+34
dBm
dBm
0.5–3.0 GHz
0.5–3.0 GHz
+43
+50
dBm
dBm
VLow = 0 to 0.2 V @ 20 µA Max.
VHigh = +3 V @ 100 µA Max. to +5 V @ 200 µA Max.
1. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
Typical Performance Data (0, +3 V)
0
-10
-15
-20
Isolation (dB)
Insertion Loss (dB)
-0.1
-0.2
-0.3
J1–J3
-0.4
J1–J2
-0.5
J2
-25
J3
-30
-35
-40
-45
-50
-55
-0.6
-60
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
Isolation vs. Frequency
Absolute Maximum Ratings
1.3
Characteristic
RF Input Power
VSWR
1.2
Control Voltage
ILJ2
ILJ3
1.1
Value
6 W > 500 MHz
0/+7 V Control
-0.2 V, +8 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
ILJ3
ILJ2
1.0
0
0.5
1.0
1.5
2.0
2.5
2.5
3.0
3.0
Frequency (GHz)
VSWR vs. Frequency
2
4.0
Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email sales@skyworksinc.com • www.skyworksinc.com
Specifications subject to change without notice. 2/03A
PHEMT GaAs IC SPDT Switch DC–3 GHz
AS179-000
Truth Table
Pin Out
V1
V2
J1–J2
J1–J3
VHigh
0
Isolation
Insertion Loss
0
VHigh
Insertion Loss
J2
Isolation
GND
V1
VHigh = +3 to +5 V.
J1
J3
GND
V2
DC blocking caps required on RF lines for positive voltage operation.
Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email sales@skyworksinc.com • www.skyworksinc.com
Specifications subject to change without notice. 2/03A
3