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