CML Micro CMX90A002 2-Stage MMIC Power Amplifiers

CML Micro CMX90A002 2-Stage MMIC Power Amplifiers are fully matched devices designed for 860MHz to 960MHz ISM-band and sub-1GHz wireless applications. Housed in a compact 3mm × 3mm VQFN-16 package, the CMX90A002 power amplifiers deliver up to 32.5dBm saturated output power with up to 49% power-added efficiency (PAE) while operating from a wide 1.9V to 4.5V supply range. Integrated 50Ω input/output matching, on-chip bias circuitry, and an input DC-blocking capacitor reduce external component requirements, simplifying RF design and minimizing PCB area.

Optimized for battery-powered and supercapacitor-backed systems, the CML Micro CMX90A002 amplifiers offer high gain, automatic shutdown, and output power control, making the devices well-suited for smart meters, automatic meter readers (AMR), industrial Internet of Things (IIoT) devices, wireless modules, asset-tracking equipment, and 868MHz/915MHz ISM applications. The combination of high output power, a compact footprint, and broad supply-voltage support enables designers to create space-efficient wireless systems while maintaining strong RF performance across a wide range of power architectures.

Features

  • 860MHz to 960MHz frequency range
  • Wide 1.9V to 4.5V supply voltage range
  • Saturated output power
    • 32.5dBm at 3.6V
    • 29.5dBm at 2.5V
  • Input and output matched to 50Ω
  • 30dB small signal gain
  • High PAE 49%
  • Automatic shut-down and output power control
  • Integrated matching and bias circuitry
  • 2-stage, fully matched MMIC PA architecture
  • Integrated power-control functions
  • 3mm x 3mm VQFN-16 package
  • RoHS and REACH compliant

Applications

  • AMR
  • Smart meters
  • Wireless modules
  • Final stage power amplifiers
  • Asset tracking
  • IoT and IIoT
  • 868MHz/915MHz ISM
  • Li-Ion battery-powered systems

Specifications

  • +13dBm maximum RF input power
  • 2.68W maximum power dissipation at +85°C
  • 75mA typical operating quiescent current
  • 0.7A to 1.0A typical current consumption range
  • -40°C to +85°C maximum case temperature range
  • 28°C/W thermal resistance
  • ESD sensitivity
    • 250V (Class 1A) Human Body Model (HBM)
    • 250V (Class C1) Charged-Device Model (CDM)
  • Moisture Sensitivity Level (MSL) 3

Functional Block Diagram

Block Diagram - CML Micro CMX90A002 2-Stage MMIC Power Amplifiers
Published: 2026-09-08 | Updated: 2026-09-30