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SA2421

Features: • Low current consumption: 34 mA nominal transmit mode and 20 mA nominal receive mode• High system power gain: 24 dB (LNA + Mixer) at 2.45 GHz• Excellent gain stability versus temperature and supply voltage• Separate Rx IN and Tx OUT pins• Wide IF range: 505...

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SeekIC No. : 004483584 Detail

SA2421: Features: • Low current consumption: 34 mA nominal transmit mode and 20 mA nominal receive mode• High system power gain: 24 dB (LNA + Mixer) at 2.45 GHz• Excellent gain stability v...

SA2421 Data Sheet

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Part Number:
SA2421
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

• Low current consumption: 34 mA nominal transmit mode and 20 mA nominal receive mode
• High system power gain: 24 dB (LNA + Mixer) at 2.45 GHz
• Excellent gain stability versus temperature and supply voltage
• Separate Rx IN and Tx OUT pins
• Wide IF range: 50500 MHz
• 10dBm typical LO input power
• Improved LNA reverse isolation S12
• TSSOP24 package


Application

• IEEE 802.11 (WLAN)
• 2.45 GHz ISM band


Pinout

Connection Diagram


Specifications

SYMBOL
 PARAMETER
RATING
UNITS
VCC
 Supply voltage
0.3 to +6
V
VIN
 Voltage applied to any pin
0.3 to (VCC + 0.3)
V
PD
 Power dissipation, Tamb = 25°C (still air)
24-Pin Plastic TSSOP
555
mW
TJMAX
 Maximum operating junction temperature
150
°C
PMAX
 Maximum power (RF/IF/LO pins)
+20
dBm
TSTG
 Storage temperature range
65 to +150
°C
NOTES:
1. Transients exceeding these conditions may damage the product.
2. Maximum dissipation is determined by the operating ambient temperature and the thermal resistance, and absolute maximum ratings may
    impact product reliability JA: 24-Pin TSSOP = 117°C/W
3. IC is protected for ESD voltages up to 2000 V, human body model.


Description

The SA2421 transceiver is a combined lownoise amplifier, receive mixer, transmit mixer and LO buffer IC designed using a 20 GHz fT BiCMOS process, QUBiC2, for highperformance lowpower communication systems for 2.42.5 GHz applications. The LNA has a 3.2 dB noise figure at 2.45 GHz with 14.3 dB gain and an IP3 intercept of 3 dBm at the input. The widedynamicrange receive mixer has a 11.2 dB noise figure and an input IP3 of +2.5 dBm at 2.45 GHz. The nominal current drawn from a single 3 V supply is 34 mA in transmit mode and 20 mA in receive mode. The SA2421 differs from the SA2420 by removal of the LO doubler and LO switch. The LNA reverse isolation is improved, and a separate pin is allocated for the transmit output.




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