SKYA21029数据手册Skyworks中文资料规格书

描述 Description

The SKYA21029 is a single-pole, four-throw (SP4T) antennaswitch with an internal 50 Ω termination. The high-linearityperformance and low insertion loss achieved by theSKYA21029 make it an ideal choice for embedded cellulartelematics modules and OBD-II cellular modems.

The symmetric port designs provide flexibility in signal routing forboth receive diversity and higher power TD-SCDMA/TDD-LTE,WCDMA/FDD, and LTE transmit/receive applications.

Switching is controlled by three CMOS/TTL-compatible controlvoltage inputs (V1, V2, and V3). Depending on the logic voltagelevel applied to the control pins, the ANT pin is connected to oneof four switched RF outputs (RF1 to RF4) using a low insertionloss path, while the paths between the ANT pin and the other RFpins are in a high isolation state.

The antenna path can also be closed on a 50 Ω load when itneeds to be terminated. The 50 Ω load is internally grounded. Noexternal blocking capacitors are required on the RF paths unlessVDC is externally applied.

The SKYA21029 is manufactured in a compact, 14-pin2.0 x 2.0 mm, Quad Flat No-Lead (QFN) package.

特性 Features

• Broadband frequency range: 0.1 to 3.8 GHz
• Low insertion loss: 0.45 dB typical @ 2.7 GHz
• High isolation: >31 dB @ 2.7 GHz
• Internal 50 Ω port to control diversity antenna impedance when device is not in use
• Integrated logic
• Automotive Level-3 PPAP available upon request
• IMDS material declaration available at production release
• Extended production life to support automotive requirements
• Independent BOM management to minimize PCN risk
• Small QFN (14-pin, 2.0 x 2.0 mm) package
• (MSL1, 260 °C per JEDEC J-STD-020)

应用 Application

• Automotive

• Cellular Telematics

• Remote Keyless Entry

• Infotainment