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The SKY13489-001 is a single-pole, double-throw (SPDT) LTE/WCDMA/GSM transmit switch. Switching is controlled by an integrated GPIO interface with a single control pin. Depending on the logic voltage level applied to the control pin, the antenna port is connected to one of the switched RF outputs (RF1 or RF2) through a low insertion loss path, while the path between the antenna port and the other RF port is in a high isolation state. 

No external DC blocking capacitors are required as long as no DC voltage is applied on any RF path. 

The SKY13489-001 is provided in a compact 6-bump, 1.135 x 0.735 x 0.400 mm Wafer Level Chip Scale Package (WLCSP) that meets requirements for board-level assembly. Bump diameters are 217 microns with a minimum bump pitch of 400 microns. 

Features

Broadband frequency range: 0.7 to 2.7 GHz

Low insertion loss: 0.3 dB @ 2.7 GHz

High isolation: 22 dB up to 2.7 GHz

No external DC blocking capacitors required

Single GPIO control line with VDD voltage regulator:

VCTL = 1.35 to 3.00 V

VDD = 2.45 to 4.80 V

Small, 6-bump WLCSP, 217 μm diameter, 400 μm pitch

(1.135 x 0.735 x 0.400 mm) package

(MSL1, 260 °C per JEDEC J-STD-020) 

Applications

LTE TDD/FDD transmit

GSM transmit

Embedded modules

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