NRF21540

Part: nRF21540, Nordic Semiconductor

Type: RF Front-End Module

Description: RF front-end module with integrated RF PA and LNA, supporting Bluetooth Low Energy, IEEE 802.15.4, and proprietary applications, featuring 22 dBm max output power, +13 dB RX gain, and a 1.7 V to 3.6 V supply voltage.

Operating Conditions:

• Supply voltage: 1.7 V to 3.6 V
• Operating temperature: -40 °C to 105 °C

Absolute Maximum Ratings:

Key Specs:

• Max output power: 22 dBm
• Adjustable output gain: 5 ± 1 dB to 21 ± 1 dB
• RX gain: +13 dB
• Current consumption (TX): 110 mA at +20 dBm output power
• Current consumption (TX): 38 mA at +10 dBm output power
• Input/output impedance: Single-ended 50 Ω matched
• Control interface: I/O, SPI, or a combination of both
• SPI transfer length: 2 B

Features:

• Front-end module with RF PA and LNA
• Supports Bluetooth Low Energy, IEEE 802.15.4, and proprietary applications
• Max output power 22 dBm
• Adjustable output gain from 5 ± 1 dB to 21 ± 1 dB
• User programmable modes for TX gain
• Non-volatile memory storage for gain settings
• Dual antenna port with antenna diversity support
• RX gain + 13 dB
• Single-ended 50 Ω matched input and output
• 110 mA at + 20 dBm output power
• 38 mA at + 10 dBm output power
• Control interface via I / O, SPI, or a combination of both
• Supply voltage 1.7 V to 3.6 V, suitable for 1.8 V ± 5 % systems
• Operating temperature -40 ° C to 105 ° C
• Package variant QFN16 4 x 4 mm

Applications:

• Smart Home applications
• Industrial and factory automation
• Asset tracking
• Advanced CE remote controls
• Sports and fitness
• Toys
• Medical
• Beacons

Package:

• QFN16 4 x 4 mm