2.7V, Single-Supply, Cellular-Band Linear Power Amplifiers

Industry's Best Overall Efficiency, Single-Supply, Dual-Mode CDMA Power Amplifier

Please check latest availability status for a specific part variant.


The MAX2264/MAX2265/MAX2266 power amplifiers are designed for operation in IS-98-based CDMA, IS-136-based TDMA, and PDC cellular telephones operating in the 900MHz range. When matched for CDMA operation and biased with margin over the adjacent and alternate channel specification (-45dBc/-56dBc), the amplifiers achieve 28dBm output power with 37% efficiency (MAX2265). At +16dBm output-a very common power level for CDMA phones-the MAX2265 still has 7% efficiency, yielding excellent overall talk time. At the same power level, the MAX2264/MAX2266 have an unprecedented 12% /17% efficiency, while still obtaining 32% /32% efficiency at maximum output power.

The MAX2264/MAX2265/MAX2266 have internally referenced bias ports that are normally terminated with simple resistors. The bias ports allow customization of ACPR margin and gain. They can also be used to "throttle back" bias current when generating low power levels. The MAX2264/MAX2265/MAX2266 have excellent gain stability over temperature (±0.8dB), so overdesign of driver stages and excess driver current are dramatically reduced, further increasing the phone's talk time. The devices can be operated from +2.7V to +5V while meeting all ACPR specifications over the entire temperature range. Nonlinear efficiency is 48% when matched for linear operation, or 55% when matched for non-linear-only operation (MAX2265).

The devices are packaged in a 16-pin TSSOP with exposed pad (EP). For module or direct chip attach applications, the MAX2264 is also available in die form.

Key Features

  • Low Average CDMA Current Consumption in Typical Urban Scenario
    • 55mA (MAX2264)
    • 90mA (MAX2265)
    • 40mA (MAX2266)
  • 0.5µA Shutdown Mode Eliminates External Supply Switch
  • ±0.8dB Gain Variation Over Temperature
  • No External Reference or Logic Interface Circuitry Needed
  • Supply Current and ACPR Margin Dynamically Adjustable
  • +2.7V to +5V Single-Supply Operation
  • 37% Efficiency at +2.7V Operation


  • 2-Way Pagers
  • Cellular-Band CDMA Dual Mode™ Phones
  • Cellular-Band TDMA Dual Mode™ Phones
  • Dual-Mode Phones
  • PDC
  • Power-Amplifier Modules

See parametric specs for Power Amplifiers/Drivers (7)

Part NumberFrequency
Efficiency (%)Low Power ShutdownFootprint
(mm x mm)
minmaxSee Notes
MAX2265 8248492837Yes5.0 x 6.4
$3.96 @1k

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

MAX2264EVKIT: Evaluation Kit for the MAX2264, MAX2265, MAX2266
MAX2265EVKIT: Evaluation Kit for the MAX2264, MAX2265, MAX2266
Request Reliability Report for: MAX2264 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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