MAX2644:2.4GHz SiGe, High IP3 Low-Noise Amplifier

Industry's Smallest 2.4GHz LNA Provides Adjustable IP3 Control

The MAX2644 low-cost, high third-order intercept point (IP3) low-noise amplifier (LNA) is designed for applications in 2.4GHz WLAN, ISM, and Bluetooth? radio systems. It features a programmable bias, allowing the input IP3 and supply current to be optimized for specific applications. The LNA provides up to +1dBm input IP3 while maintaining a low noise figure of 2.0dB and a typical gain of 16dB. The MAX2644 is designed on a low-noise, advanced silicon-germanium (SiGe) technology. It operates with a +2.7V to +5.5V single supply and is available in an ultra-small 6-pin SC70 package.

Key Features
  • Low Noise Figure (2.0dB at 2450MHz)
  • High Gain: 16dB
  • Adjustable IP3 and Bias Current
  • Low-Power Standby Mode
  • On-Chip Output Matching
  • +2.7V to +5.5V Single-Supply Operation
  • Ultra-Small 6-Pin SC70 Package
MAX2644: Typical Operating Circuit
MAX2644: Typical Operating Circuit
  • 2.4GHz Cordless Phones
  • 2.4GHz ISM-Band Radios
  • 802.11 WLAN
  • Bluetooth?
  • HomeRF
  • Satellite CD Radio
  • Wireless Local Loop (WLL)
titleDownload file
MAX2644?Data SheetMAX2644.pdf
Part NumberRF Freq.
RF Freq.
Noise Figure
Input IP3
(mm x mm)
minmaxSee Notes
MAX2644240025002177.22.7 to 7.02.0 x 2.1SC-70/6$1.74 @1k
Design kits & evaluation modules
Quality and Environmental Data
Ordering Information
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX2644EXTNo Longer AvailableMAX2644EXT+SC-70,;6 pin;5.3 mm?-40°C to +85°CNo
MAX2644EXT+ActiveSC-70,;6 pin;5.3 mm?-40°C to +85°CLead Free
MAX2644EXT+TActiveSC-70,;6 pin;5.3 mm?-40°C to +85°CLead Free
MAX2644EXT-TActiveSC-70,;6 pin;5.3 mm?-40°C to +85°CNo
MAX2644.pdf MAX2644
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MAX2644.pdf MAX2644
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MAX2644.pdf MAX2644
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