FEATURES

• Programmable Bias Controller IC for Class A

and AB LDMOS Power Amplifiers

• Adaptive System on Chip Solution

• Bias Current Calibration to better than ±4

using Reference Trim DCP

• Automatic Bias Point Tracking and Calibration

— IDQ Sensing and Tracking

—Programmable Instrumentation Amplifier to

Scale Wide Range of IDQ

—Programmable Gate Bias Driver

—All Programmable settings are Nonvolatile

—All Settings Recalled at Power-up.

• 28V Maximum VDD

• 2 Wire Interface for Programming Bias Setting

and Optimizing IDQ Set Point

• Bias Level Comparator

• Shutdown Control pin for PA Signal

• Slave address to allow for multiple devices

• 24-pin TSSOP Package

• Applications: Cellular Base Stations (GSM,

UMTS, CDMA, EDGE), TDD applications, Pointto-

multipoint, and other RF power transmission

systems