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LMH9126

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2.3-2.9 GHz differential to single-ended low-power amplifier with Integrated balun

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Product details

Parameters

Current consumption (mA) 106 Frequency (Min) (MHz) 2300 Frequency (Max) (MHz) 2900 Gain (Typ) (dB) 18 Noise figure (Typ) (dB) 3.2 Operating temperature range (C) -40 to 105 Output IP3 (Typ) (dBm) 33 P1dB (Typ) (dBm) 18 open-in-new Find other RF gain block amplifiers

Package | Pins | Size

WQFN (RRL) 12 open-in-new Find other RF gain block amplifiers

Features

  • Single-Channel, Differential Input to Single-Ended Output RF Gain Block Amplifier
  • 18-dB Typical Gain Across the Band
  • 3.5-dB Noise Figure
  • 35-dBm OIP3
  • 18-dBm Output P1dB
  • 375-mW Power Consumption on 3.3-V Single Supply
  • Up to 105°C TC Operating Temperature

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Description

The LMH9126 is high-performance, single-channel, differential input to single-ended output transmit RF gain block amplifier supporting 2.6-GHz center frequency band. The device is well suited to support requirements for the next generation 5G AAS or small cell applications while driving the input of a power amplifier (PA). The RF amplifier provides 18-dB typical gain with good linearity performance of 35-dBm output IP3, while maintaining less than 4-dB noise figure across the whole 1-dB bandwidth. The device is internally matched for 100-Ω differential input impedance providing easy interface with an RF-sampling or Zero-IF analog front-end (AFE) at the input. Also, the device is internally matched for 50-Ω single-ended output impedance required for easy interface with a post-amplifier, SAW filter, or PA.

Operating on a single 3.3-V supply, the device consumes only 375 mW of active power making it suitable for high-density 5G massive MIMO applications. Also, the device is available in a space saving 2-mm × 2-mm, 12-pin QFN package. The device is rated for an operating temperature of up to 105°C to provide a robust system design. There is a 1.8-V JEDEC compliant power down pin available for fast power down and power up of the device suitable for time division duplex (TDD) systems.

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Technical documentation

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Type Title Date
* Datasheet LMH9126 2.3–2.9-GHz Differential to Single-Ended Amplifier With Integrated Balun datasheet Jun. 23, 2020
User guide AFE79xx, LMH9xx EVM User Guide Jul. 23, 2020
More literature LMH9126RRLEVM EU Declaration of Conformity (DoC) Apr. 28, 2020
User guide LMH9126 Evaluation Module User's Guide Feb. 27, 2020

Design & development

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Design tools & simulation

SIMULATION MODEL Download
SNLM237A.ZIP (9 KB) - S-Parameter Model

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WQFN (RRL) 12 View options

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