DATA SHEET
SE2601T: 2.4 GHz WLAN Switch/LNA Front-End
Applications
IEEE802.11b DSSS WLAN
IEEE802.11g,n OFDM WLAN
Embedded applications
Product Description
The SE2601T is a single chip integrated front-end
with a Bluetooth port to complement WLAN chipsets
with integrated Power Amplifier.
The Front-end
integrates SP3T Switch and Low Noise Amplifier with
bypass mode in an ultra compact package. It is
capable of switching between WLAN RX, WLAN TX
and Bluetooth™
Features
Integrates SP3T Switch and LNA with by-pass
mode
12 dB gain,
1.8 dB NF
0.7 dB Bluetooth path loss
2x2x 0.6mm, QFN Package, MSL 1
Lead free, Halogen free and RoHS compliant
Ordering Information
Part No.
SE2601T
SE2601T-R
SE2601T-EK1
Package
QFN
QFN
N/A
Remark
Samples
Tape and Reel
Evaluation kit
Functional Block Diagram
BT
1
4
2
Vdd
RFC
3
RX
4
TX
1
2
3
4
Figure 1: Functional Block Diagram
Skyworks Solutions, Inc.
•
Phone [781] 376-3000
•
Fax [781] 376-3100
•
sales@skyworksinc.com
•
www.skyworksinc.com
202399B
•
Skyworks Proprietary Information
•
Products and Product Information are Subject to Change Without Notice
•
April 9, 2013
Von
Vc1
Vc2
Vc3
1
DATA SHEET
SE2601T: 2.4 GHz WLAN Switch/LNA Front-End
Top View through Package
Pin Out Description
Pad
1
2
3
4
5
6
7
8
9
10
11
12
Label
GND
GND
Von
RX
VDD
Vc2
GND
BT
Vc1
RFC
VC3
TX
Ground
Ground
LNA control pin
WLAN Receive port
Positive power supply voltage
RX switch control pin
Ground
Bluetooth port
BT switch control pin
RF Common (antenna port)
TX switch control pin
WLAN Transmit port
Function
Skyworks Solutions, Inc.
•
Phone [781] 376-3000
•
Fax [781] 376-3100
•
sales@skyworksinc.com
•
www.skyworksinc.com
202399B
•
Skyworks Proprietary Information
•
Products and Product Information are Subject to Change Without Notice
•
April 9, 2013
2
DATA SHEET
SE2601T: 2.4 GHz WLAN Switch/LNA Front-End
Absolute Maximum Ratings
These are stress ratings only. Exposure to stresses beyond these maximum ratings may cause permanent damage
to, or affect the reliability of the device. Avoid operating the device outside the recommended operating conditions
defined below. This device is ESD sensitive. Handling and assembly of this device should be at ESD protected
workstations.
Symbol
Vdd
V
ON, cc
P
TXIN
T
A
T
STG
ESD
HBM
Definition
Supply Voltage on Vdd
DC input on control pins
TX Input Power, ANT terminated in 50Ω
match
Operating Temperature Range
Storage Temperature Range
JEDEC JESD22-A114
all pins
Min.
0
-0.5
-
-40
-40
1000
Max.
3.6
Vdd+0.5
27
85
150
Unit
V
V
dBm
°C
°C
V
Recommended Operating Conditions
Symbol
T
A
V
dd
V
ON, cc
Parameter
Ambient temperature
Supply voltage, relative to GND = 0 V
Control voltage, relative to GND = 0 V
Min.
-40
2.7
0
Typ.
25
3.3
-
Max.
85
3.6
Vdd
Unit
°C
V
V
DC Electrical Characteristics
Conditions:
Symbol
I
dd
I
dd
I
ON
I
C1
Ic3
VIH
VIL
V
dd
= 3.3 V, T
A
= 25
°C,
as measured on Skyworks SE2601T EK1 evaluation board (de-embedded to
device), all unused ports terminated with 50 ohms, unless otherwise noted
Parameter
LNA current
LNA current
LNA control current
BT port control
current
TX port control
current
Logic input high
Logic input low
Conditions
Gain mode
Bypass mode
-
-
-
2.7
0
Min.
-
Typ.
10
Max.
13
60
20
20
20
3.6
0.3
Unit
mA
μA
uA
μA
µA
V
V
Skyworks Solutions, Inc.
•
Phone [781] 376-3000
•
Fax [781] 376-3100
•
sales@skyworksinc.com
•
www.skyworksinc.com
202399B
•
Skyworks Proprietary Information
•
Products and Product Information are Subject to Change Without Notice
•
April 9, 2013
3
DATA SHEET
SE2601T: 2.4 GHz WLAN Switch/LNA Front-End
Control Logic Table
Mode#
0
1
2
3
4
Mode Description
All Off
Tx
BT
Rx – high gain
Rx - bypass
Vc1
0
0
1
0
0
Vc2
0
0
0
1
1
Vc3
0
1
0
0
0
Von
0
0
0
1
0
AC Electrical Characteristics
Transmit Characteristics (RFC-TX port)
Conditions:
V
dd
= 3.3 V, T
A
= 25
°C,
as measured on Skyworks Solutions’ SE2601T EK1 evaluation board (de-
embedded to device), all unused ports terminated with 50 ohms, unless otherwise noted. Vc1 = Vc2 =
Von = 0.
Parameter
Frequency Range
Insertion Loss
Input Return Loss
Output Return Loss
Switch Isolation
Input P1dB
Vc3 = 0
23
31
Condition
-
Min.
2400
-
Typ.
-
0.7
-16
-16
Max.
2500
0.9
-13
-13
Unit
MHz
dB
dB
dB
dB
dBm
Symbol
F
OUT
TX
IL
S
11
S
22
ISOL
SW
IP1dB
Bluetooth Characteristics (RFC-BT port)
Conditions:
V
dd
= 3.3 V, T
A
= 25
°C,
as measured on Skyworks Solutions’ SE2601T EK1 evaluation board (de-
embedded to device), all unused ports terminated with 50 ohms, unless otherwise noted. Vc2 = Vc3 =
Von = 0.
Parameter
Frequency Range
Insertion Loss
BT Port Return Loss
BT Port Return Loss
Input P1dB
Switch Isolation
Vc1 = 0
31
25
Condition
-
Min.
2400
-
Typ.
-
0.7
-16
-16
Max.
2500
0.9
-14
-14
Unit
MHz
dB
dB
dB
dBm
dB
Symbol
F
OUT
BT
IL
S
11
S
22
IP1dB
ISOL
SW
Skyworks Solutions, Inc.
•
Phone [781] 376-3000
•
Fax [781] 376-3100
•
sales@skyworksinc.com
•
www.skyworksinc.com
202399B
•
Skyworks Proprietary Information
•
Products and Product Information are Subject to Change Without Notice
•
April 9, 2013
4
DATA SHEET
SE2601T: 2.4 GHz WLAN Switch/LNA Front-End
Receive Characteristics (RF- RX port)
Conditions:
V
dd
= 3.3 V, T
A
= 25
°C,
as measured on Skyworks Solutions’ SE2601T EK1 evaluation board (de-
embedded to device), all unused ports terminated with 50 ohms, unless otherwise noted. Vc1 = Vc3 =
0.
Parameter
Frequency Range
Receive Gain, LNA
enabled.
Noise Figure
Input Return Loss
Output Return Loss
Input P1dB
Receive Gain, LNA
bypassed
-7
-4
Condition
-
Min.
2400
11
-
Typ.
-
12
1.8
-10
-10
-6
-3
Max.
2500
13
2.0
-8
-8
Unit
MHz
dB
dB
dB
dB
dBm
dB
Symbol
F
OUT
S
21
NF
S
11
S
22
IP1dB
S
21
-BYP
Skyworks Solutions, Inc.
•
Phone [781] 376-3000
•
Fax [781] 376-3100
•
sales@skyworksinc.com
•
www.skyworksinc.com
202399B
•
Skyworks Proprietary Information
•
Products and Product Information are Subject to Change Without Notice
•
April 9, 2013
5
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