F4481 DIFF-In/SE-Out Quad Path TX DVGA 400MHz to 1100MHz
Using a single 3.3V power supply and only 520mA of ICC, the F4481 provides four independent transmit paths, each with 28dB maximum gain, +40dBm OIP3, +16dBm output P1dB, and 5.5dB NF at 900MHz under typical conditions. Each channel includes a glitch-free digital step attenuator that reduces gain by up to 31.5dB in precise 0.5dB steps.
The F4481 is packaged in an 8 × 8 mm 56-LGA, with matched 100Ω differential input and 50Ω single-ended output impedances for ease of integration into the signal path.
●Features:
■Independent quad channels for FDD TX applications
■RF range: 400MHz to 1100MHz
◆F4482: 1300MHz to 2800MHz
■28dB typical max gain at 900MHz
■Precise SPI-controlled Glitch-Free gain adjustment
◆31.5dB gain range with 0.5dB step size
■5.5dB NF at 900MHz
■+40dBm OIP3 at 900MHz
■+16dBm output P1dB at 900MHz
■3.3V supply voltage
■I-CC = 520mA
■100Ω differential input impedances
■50Ω single-ended output impedances
■1.8V and 3.3V logic support
■Independent Channel Standby modes for power savings
■Operating temperature (T-EP) range: -40°C to +105°C
■8 × 8 mm, 56-LGA package
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F4481 、 F4481LKGI 、 F4481LKGI8 、 F4481EVS |
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[ FDD TX applications ][ 4G multi-mode ][ 5G multi-mode ][ multi-carrier transmitters ][ LTE ][ UMTS base stations ][ WCDMA base stations ][ Active antenna systems ][ Digital radio ] |
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Datasheet |
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Please see the document for details |
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56-LGA;LKG56P1;PSC-4755-01 |
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English Chinese Chinese and English Japanese |
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December 15, 2020 |
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4.7 MB |
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