ZXCW8100S28 Datasheet | Zetex Semiconductors

FEATURES - Typical solution performance THD+N (1W into 4⍀) 0.021% Dynamic range 101d B Noise floor -125d B - - - - - - - - - - 32 Bit Conversion All mon digital audio standards supported All sampling rates up to 192k Hz supported 768 times over sampling (single speed mode) 48 times digital filtering (single speed mode) Digital De-emphasis 32,44.1,48k Hz ATAPI mux/mute CD-ROM standard 3 wire SPI control interface ZTA filter system Soft Mute, digital silence - - - - - - - - - - - Direct Drive PWM output Noise Shaper stability up to full modulation Effective PWM frequency up to 2MHz Digital Volume, Mute, Bass and Treble control NOVALOAD™ for clipping control 28 pin SSOP package APPLICATIONS 5.1 Integrated DVD amplifiers Home theatre systems Mini Hi-fi Automotive audio PC audio ISSUE 1 - JULY 2002 1 DESCRIPTION The ZXCW8100 is part of a new generation of stereo digital audio power amplifier devices. The device offers a move forward to a new level of performance not offered by another solution.The ZXCW8100 operates in direct drive mode and can be selected to be with or without dead time. Exceptional performance can be achieved with the ZXCW8100 device in direct drive mode, the dynamic range is 101d B, the noise floor sits at - 125d B and when driving 1W into 4⍀ THD+N is 0.021%. The device supports all mon digital audio input formats. Sampling frequencies up to 192k Hz are fully supported, dependant on which sampling frequency is selected then the device can operate in single, dual or quad speed modes. In single speed mode, then the popular 44.1k Hz sampling from audio CDs is oversampled up to 768 times. This results in a master clock speed of 33MHz. Digital de-emphasis is also supported as well as mixing and muting according to the ATAPI CD-ROM standard. Other key features include user definable digital control of Volume, Mute, Bass & Treble. The device also features Zetex unique overload management system NOVALOAD™. NOVALOAD™ can operate in several ways to...