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Parameter

Conditions

Typical

Units

DC - 3000

MHz

Insertion Loss

1000 MHz

2000 MHz

0.50

0.65

dB

dB

Isolation (RFC - RF1/RF2)

1000 MHz

2000 MHz

34.5

25

dB

dB

Return Loss

1000 MHz

2000 MHz

18.5

14

dB

dB

50% CTRL to 0.1 dB of final value, 1 GHz

0.725

µs

50% CTRL to 25 dB isolation, 1 GHz

0.625

µs

< 2

1000 MHz

32

dBm

1000 MHz, 19 dBm input power

53

dBm

Isolation (RF1 - RF2)

1000 MHz

2000 MHz

40.5

28

dB

dB

Min

DC

32.5

23

38.5

26

30

Max

3000

0.60

0.75

1.5

1.3

RFC

RF1

RF2

CMOS

Control

Driver

V1

V2

The SP4273 RF Switch is designed for the TV tuner, PCTV, set

top box, DTV, DVR and general broadband applications. This

device offers industry leading broadband linearity, 1.5 kV ESD

tolerance and a simple CMOS interface. It offers a simple

alternative solution to pin diode and mechanical relay switches.

The SP4273 SPDT Broadband RF Switch is manufactured on

SIPAT’s CMOS process, a patented variation of

silicon-on-insulator (SOI) technology on a sapphire substrate,

offering the performance of GaAs with the economy and

integration of conventional CMOS.

Product Specification

SPDT Broadband COMS

DC – 3 GHz RF Switch

Product Description

Figure 1. Functional Diagram

SP4273

Features

control inputs

0.65 dB at 2000 MHz

2000 MHz

+32 dBm

Figure 2. Package Type

6-lead SC-70

Notes:

1. Device linearity will begin to degrade below 10 MHz.

2. Measured with a 1 ns risetime, 0/3 V pulse and 500 MHz bandwidth.

3. Measured in a 50

Ω system.

Tel: +86-23-62808818

Fax: +86-23-62805284

www.sipatsaw.com / sawmkt@sipat.com