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NXP UCB1400BE,151
RoHS Compliant
UCB1400BE,151_Datesheet
DESCRIPTION
· The UCB1400 is a stereo audio codec with touch screen and power management interfaces.
· It integrates an AC ’97 Rev. 2.1 interface for communication with an AC link host controller.
· It supports direct connections to microphone or line level sources and can drive headphones directly.
· It features a 4-wire resistive touch screen interface and a 10-bit ADC for touch screen and power management readout.
· It includes ten general-purpose I/O pins for system inputs/outputs.
FEATURES
· 48-pin LQFP surface mount package with low external component count.
· Integrated AC ’97 Rev. 2.1 interface.
· 20-bit stereo audio codec with programmable sample rates and gain control.
· Stereo line input, mono microphone input, and stereo line/headphone output with bass/treble control.
· Headphone driver with short circuit protection and virtual ground for DC coupling.
· 4-wire resistive touch screen interface with position, pressure, and plate resistance measurements.
· 10-bit ADC with internal track-and-hold circuit and analog multiplexer for touch screen readout and monitoring of external high-voltage sources.
· Ten general-purpose I/O pins.
· 3.3 V supply voltage with built-in power saving modes for portable applications.
APPLICATIONS
· Smart mobile phones.
· Handheld PCs.
· Palm-top PCs.
· Personal Intelligent Communicators (PIC).
· Personal Digital Assistants (PDA).
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