參數(shù)資料
型號: 0W344-004-XTP
廠商: ON Semiconductor
文件頁數(shù): 23/43頁
文件大?。?/td> 0K
描述: DSP BELASIGNA 200 AUDIO 52-NQFN
產(chǎn)品變化通告: BelaSigna 200 QFN Obsolescence 09/Dec/2009
標準包裝: 500
系列: BelaSigna® 200
類型: 音頻處理器
應(yīng)用: 便攜式設(shè)備
安裝類型: 表面貼裝
封裝/外殼: 52-TFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 52-NQFP(8x8)
包裝: 帶卷 (TR)
BelaSigna 200
2.5 Input Stage
Two separate input channels, each with two multiplexed inputs
Two configurable preamplifiers for improved input dynamic range matching
Two analog third-order anti-aliasing filters
Two 16-bit oversampling ΣΔ A/D converters
Two ninth-order low-delay wave digital filters (WDFs) for decimation and DC removal with configurable digital gains for optimal
channel matching
2.6 Output Stage
Two output channels (full stereo)
Two 16-bit oversampling ΣΔ D/A converters
Two line-level analog outputs
Two configurable output attenuators for improved output dynamic range matching
Two analog third-order anti-aliasing filters
Two pulse-density modulation (PDM)-based direct digital outputs capable of driving low-impedance loads
2.7 Peripherals and Interfaces
2.7.1. Analog Interfaces
Six external low-speed A/D converter (LSAD) inputs can be used with analog trimmers (e.g., potentiometers, analog switches, etc.)
Two internal LSAD inputs tied directly to ground and supply can be used for supply monitoring
2.7.2. Digital Interfaces
16-pin general-purpose I/O (GPIO) interface
Serial peripheral interface (SPI) communications port with interface speeds up to 640kbps at 1.28MHz system clock
Pulse-code modulation (PCM) interface for high-bandwidth digital audio I/O
Configurable RS-232 universal asynchronous receiver/transmitter (UART)
RS-232-based communications port for debugging and in-circuit emulation
Two-wire synchronous serial (TWSS) interface with speeds up to 100kbps at 1.28MHz system clock and up to 400kbps at higher
system clocks (slave mode support only)
2.7.3. System
Integrated watchdog timer
General-purpose timer
External clock input division circuitry to support a wide range of external clock speeds
Rev. 16 | Page 3 of 43 | www.onsemi.com
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