RFX8422

2.4GHZ CMOS WLAN / BLUETOOTH RFEIC WITH PA, LNA WITH BYPASS & SP3T SWITCH

The RFX8422 is a fully integrated, single-chip, single-die RFeIC (RF Front-end Integrated Circuit) which incorporates all the RF functionality needed for dual-mode WLAN, Bluetooth operations including simultaneous WLAN and Bluetooth receive capability. The RFX8422 architecture integrates a high-efficiency high-linearity PA, a directional Coupler and output Power Detector, impedance matching networks, harmonic filters, a LNA with Bypass and an SP3T Antenna Switch all in a single CMOS device.

This RFeIC is designed to be used in combined 802.11b/g/n and Bluetooth applications operating in the 2.4GHz band, and can be powered directly from the battery.

Combining superior performance, ultra-low power consumption, small form factor, and low cost, RFX8422 is the perfect solution for mobile, handheld, and portable devices with integrated WLAN and Bluetooth. RFX8422 is assembled in ultra-compact 2.5 x 2.5 x 0.45 mm 16L QFN package, and requires minimal external components and PCB footprint.

Please note: RFX8422 is being discontinued and is not recommended for new designs.

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RFX8422: 2.4GHZ CMOS WLAN / BLUETOOTH RFEIC WITH PA, LNA WITH BYPASS & SP3T SWITCH

Features

Combines 802.11b/g/n and Bluetooth applications
High linearity PA for 802.11 b/g/n WLAN
Simultaneous WLAN and Bluetooth receive mode
Low Noise Figure WLAN Receive LNA with Bypass for Near Range Operation
Supports direct battery operation
Built in directional coupler based output power detector
ESD Protection Circuitry on All Ports
DC decoupled RF Ports and VDD / RF Isolation
2.5mmx2.5mmx0.45mm Small Outline 16L QFN Package with Exposed Ground Pad

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Specifications

RF Frequency (MHz)

2400-2500

Description

Rx Insertion Loss (dB) Typ.

10 / 1.2

802.11 WLAN Standard

b/g/n

Rx Gain (dB) Typ.

10

Tx Gain (dB)

25

Rx NF (dB) Typ.

3.3

Saturated Output Power (dBm) Typ.

24

Supply Voltage (V)

3.3-4.8

Package

Package (mm)

2.5 x 2.5 x 0.45

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