0.1 GHz to 6 GHz Silicon SP5T Switch

Data Sheet

ADRF5250

Rev. 0

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FEATURES

Nonreflective 50 Ω design

Low insertion loss: 1.5 dB at 4 GHz

High isolation: 50 dB at 4 GHz

High input linearity

0.1 dB compression (P0.1dB): 34 dBm typical

Third-order intercept (IP3): 57 dBm typical

High power handling at 85°C

33 dBm through path

27 dBm terminated path

ESD rating

3.5 kV HBM, Class 2

Single-supply or dual-supply operation

Optional internal negative voltage generator (NVG)

1.8 V logic-compatible control

4 mm × 4 mm, 24-lead LFCSP

APPLICATIONS

Cellular/4G infrastructure

Wireless infrastructure

Mobile radios

Test equipment

FUNCTIONAL BLOCK DIAGRAM

VDD

V1

V2

V3

RFC

50Ω

RF2

RF3

RF4

RF5

ADRF5250

RF1

50Ω

50Ω

50Ω

50Ω

DIGITAL

CONTROL

BIAS

NEGATIVE

VOLTAGE

GENERATOR

VSS

Figure 1.

GENERAL DESCRIPTION

The ADRF5250 is a general-purpose, single-pole, five-throw

(SP5T), nonreflective switch manufactured using a silicon

process. The ADRF5250 is available in a 4 mm × 4 mm, 24-lead

lead frame chip scale package (LFCSP) and provides high

isolation and low insertion loss from 100 MHz to 6 GHz.

The ADRF5250 incorporates a negative voltage generator to

operate with a single positive supply voltage from 3.3 V to 5 V

applied to the VDD pin when the VSS pin is connected to

ground. The negative voltage generator can be disabled when

an external negative supply voltage of −3.3 V is applied to the

VSS pin. The ADRF5250 provides a 1.8 V logic-compatible,

3-pin control interface.