RFSW2041 - RF Micro Devices, Inc. (RFMD)

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Optimum Technology Matching® Applied

GaAs HBT

InGaP HBT

GaAs MESFET

SiGe BiCMOS

Si BiCMOS

SiGe HBT

GaAs pHEMT

Si CMOS

Si BJT

GaN HEMT

Functional Block Diagram

RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-

mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.

Product Description

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Ordering Information

BiFET HBT

LDMOS

RF2

GND

RFIN

GND RF1

GND

V1V2

5678

1314

1516

GND

RFSW2041

DC TO 20GHz SPDT pHEMT GaAs SWITCH

RFMD’s RFSW2041 is a broadband reflective SPDT GaAs microwave monolithic

integrated circuit (MMIC) switch designed to operate from DC to 20GHz using the

RFMD FD05 0.5μm switch process. It features low insertion loss of 1.7dB at

20GHz and high isolation of 38dB at 20GHz while being packaged in a compact

low cost 3mmx3mm QFN package for easy end use assembly. The switch uses

complementary control logic of -5/0V and does not require a separate bias supply.

Features

Low Insertion Loss: 1.7dB at

20GHz

High Isolation: 38dB at 20GHz

20nS Switching Speed

GaAs pHEMT Technology

Compact 3mmx3mm QFN

package

Applications

Broadband Communications

Test Instrumentation

Fiber Optics

Military

Aerospace

DS100830



Package: QFN, 16-pin, 0.8mmx3mmx3mm

RFSW2041DC

to 20 Ghz

SPDT pHEMT

GaAs Switch

RFSW2041

RFSW2041SB 5-piece sample bag

RFSW2041PCK-410 Evaluation Board

2 of 10

RFSW2041

DS100830

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Absolute Maximum Ratings

Parameter Rating Unit

Drain Bias Voltage (VCTRL)-10V

RF Input Power +30 dBm

Storage Temperature -55 to +150 °C

Operating Temperature -55 to +85 °C

ESD JESD22-A114 Human Body

Model (HBM)

Class 1A (All pads)

Parameter Specification Unit Condition

Min. Typ. Max.

Operating Frequency DC 20 GHz

Insertion Loss (0GHz to 5GHz) 1.1 1.3 dB ON State, All Temps

Insertion Loss (5GHz to 10GHz) 1.2 1.5 dB ON State, All Temps

Insertion Loss (10GHz to 15GHz) 1.4 1.8 dB ON State, All Temps

Insertion Loss (15GHz to 20GHz) 1.7 2.3 dB ON State, All Temps

Isolation (DC to 20GHz) 32 38 dB ON State, All Temps

Input Return Loss (DC to 20GHz) 13 15 dB ON State, All Temps

Output Return Loss (DC to 20GHz) 14 20 dB ON State, All Temps

OIP3 (2GHz to 20GHz) 42 46 dBm 100MHz spacing, 2dBm input, 25 °C

OIP2 (4GHz to 20GHz) 80 83 dBm 100MHz spacing, 2dBm input, 25 °C

Switching Speed 20 25 ns 50% control to 90% RF, All Temps

Control Current 32 50 µA Sum of all control lines, 25 °C

Control Voltage 0/-5 V

Caution! ESD sensitive device.

Exceeding any one or a combination of the Absolute Maximum Rating conditions may

cause permanent damage to the device. Extended application of Absolute Maximum

Rating conditions to the device may reduce device reliability. Specified typical perfor-

mance or functional operation of the device under Absolute Maximum Rating condi-

tions is not implied.

RoHS status based on EUDirective2002/95/EC (at time of this document revision).

The information in this publication is believed to be accurate and reliable. However, no

responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any

infringement of patents, or other rights of third parties, resulting from its use. No

license is granted by implication or otherwise under any patent or patent rights of

RFMD. RFMD reserves the right to change component circuitry, recommended appli-

cation circuitry and specifications at any time without prior notice.

3 of 10

RFSW2041

DS100830

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

4 of 10

RFSW2041

DS100830

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

5 of 10

RFSW2041

DS100830

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

6 of 10

RFSW2041

DS100830

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Truth Table

High = -5V ±0.2V, Low = 0V, ±0.2V

Pin Function Description Interface Schematic

1, 10, 11 NC No Connect

2, 4, 7, 9,

12, 14

GND Ground. Grounding via should be located as close as possible to

this pin.

8, 13 RF2, RF1 RF output. These pins are DC coupled and matched to 50Ω from

DC to 20GHz.

5, 6, 15, 16 V3, V4, V1,

DC control for switch operation. Nominal operating voltage is -5V.

3RFIN

RF input. This pin is DC coupled and matched to 50Ω from DC to

20GHz.

Control Line RF Path

V1 V2 V3 V4

High Low High Low RFin to RF1

Low High Low High RFin to RF2

Low High High Low OFF (high isolation)

RFout

2kohm

4.4pF

RFin

7 of 10

RFSW2041

DS100830

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Package Drawing

Maximum Height=1.0mm

Dimensional Tolerance=+0.05mm

8 of 10

RFSW2041

DS100830

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Application Schematic

5 6 7 8

16 15 14 13

RF 2

50 Ω μstrip

DC Block*

RFin

50 Ω μstrip

DC Block*

Bypass

Cap**

RF 1

50 Ω μstrip

DC Block*

Bypass

Cap**

Bypass

Cap**

Bypass

Cap**

* Not Required

** Not Required but may be necessary

in some applications to maintain noise

free control lines .

9 of 10

RFSW2041

DS100830

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Evaluation Board Schematic

10 of 10

RFSW2041

DS100830

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Evaluation Board Layout