SKY85724-11

5 GHz, 802.11ac Front-End Module

The SKY85724-11 is a highly integrated, 5 GHz front-end module (FEM) incorporating a 5 GHz single-pole, double-throw (SPDT) transmit/receive (T/R) switch, a 5 GHz low-noise amplifier (LNA) with bypass, and a 5 GHz power amplifier (PA) intended for mobile/portable 802.11ac applications and systems. An enable/disable function is included that allows power savings during off mode. An integrated power detector with 20 dB of dynamic range is included to provide closed-loop power control within the system.

The device is provided in a compact, 10-pin 1.7  2.0 mm Dual Flat No-Lead (DFN) package.

Product Summary
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Specifications

Product LifecycleIn Production
Frequency (GHz) Min.4.9
Frequency (GHz) Max.5.95
Typ. Current @ VDD = 3.3 V 17.5dBm (mA)
Typ. Current @ VDD = 3.6 V 17.5dBm (mA)
Typ. Current @ VCC = 3.6 V (mA)
Typ. POUT @ 3.0% EVM (dBm)
Typ. Current @ VCC = 5 V (mA)
802.11 WLAN Standardac
Antenna Ports
Architecture5 GHz Front-End Module
Typ. POUT @ 2.5% EVM (dBm)
Typ. Tx Gain (dB)
Typ. POUT (dBm)
VDD (V)
VCC (V)
PackageDFN, 11-pin
Package (mm)1.7 x 2.0 x 0.33

Features

  • Integrated high-performance 5 GHz PA with harmonic filter, LNA with bypass, and SPDT
  • Fully-matched input and output
  • Integrated, positive slope power detector
  • Transmit loopback mode
  • Transmit gain: 30 dB
  • Receive gain: 15 dB
  • Output power: +19 dBm, MCS7, HT20
  • Output power: +17 dBm, MCS9, VHT80
  • Nominal supply voltage: 3.6 V
  • Small DFN (10-pin, 1.7 x 2.0 x 0.33 mm) package (MSL1, 260 °C per JEDEC J-STD-020)

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