SPDT High Isolation Terminated Switch

0.5 - 3.0 GHz

Rev. V3

MASWSS0121

1

1

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1

Features

 Positive Voltage Control (0 / +5 V)

 High Isolation: 54 dB @ 0.9 GHz

52 dB @ 1.9 GHz

 50-Ohm Internal Terminations

 Low Insertion Loss: 0.6 dB @ 0.9 GHz

0.7 dB @ 1.9 GHz

 Lead-Free Package: 4 mm 16-Lead PQFN

 100% Matte Tin Plating over Copper

 Halogen-Free “Green” Mold Compound

 260°C Reflow Compatible

 RoHS* Compliant Version of SW-475

Description

The M/A-COM MASWSS0121 GaAs monolithic

switch provides high isolation in a low-cost, lead-free

plastic surface mount package. The MASWSS0121

is ideal for applications across a broad range of

frequencies

including

synthesizer

switching,

transmit / receive switching, switch matrices and

filter banks in systems such as radio and cellular

equipment, PCS, GPS, and fiber optic modules.

M/A-COM fabricates the MASWSS0121 using a 1.0-

micron gate length MESFET process. The process

features full chip passivation for performance and

reliability.

1. Reference Application Note M513 for reel size information.

Part Number

Package

MASWSS0121

Bulk Packaging

MASWSS0121TR

1000 piece reel

MASWSS0121TR-3000

3000 piece reel

MASWSS0121SMB

Sample board

Pin

Function

Description

1

RF2

RF port

2

GND

RF ground

3

GND

RF ground

4

V1

Control 1

5

V2

Control 2

6

GND

RF ground

7

RFC

RF port

8

GND

RF ground

9

GND

RF ground

10

GND

RF ground

11

GND

RF ground

12

RF1

RF port

13

GND

RF ground

14

GND

RF ground

15

GND

RF ground

16

GND

RF ground

GND

RF ground

PIN Configuration

2. The exposed pad centered on the package bottom must be

connected to RF and DC ground.

Functional Schematic

RF2

RF1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

V1

V2

* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.