UCB1400BE,151 Datasheet

Interface - CODECs


The UCB1400BE (UCB1400BE,151) is a stereo audio codec equipped with touch screen and power management interfaces. It integrates an AC ’97 Rev. 2.1 interface for communication to an AC link host controller such as the Intel Xscale™ processor. The stereo audio codec inputs connect directly to a microphone or line level sources such as a CD player. The stereo audio codec outputs at line level and can drive a headphone directly. The touch screen interface connects directly to a 4-wire resistive touch screen. A built-in 10-bit analog-to-digital converter provides readout of touch screen and power management parameters. Ten general-purpose I/O pins provide programmable inputs and/or outputs to the system. UCB1400BE,151 Features •48-pin LQFP surface mount package and low external component count for minimal PCB space requirement•Integrated AC ’97 Rev. 2.1 interface•20-bit stereo audio codec supporting programmable sample rates, and input/output gain control-Stereo line input and mono microphone input-Stereo line/headphone output with bass/treble control- Headphone driver with short circuit protection and virtual ground for DCcoupling•4-wire resistive touch screen interface circuit supporting position, pressure and plate resistance measurements•10-bit successive approximation ADC with internal track-and-hold circuit and analog multiplexer for touch screen readout and monitoring of four external high voltage (7.5 V) sources•Ten general purpose input/output pins•3.3 V supply voltage and built-in power saving modes for portable and battery powered applications. UCB1400BE,151 Applications •Smart mobile phones•Handheld PCs•Palm-top PCs•Personal Intelligent Communicators (PIC)•Personal Digital Assistants (PDA).


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Manufacturer information


ON Semiconductor - ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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