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参数资料
| 型号： | B250B57A106E1G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/30页 |
| 文件大小： | 0K |
| 描述： | IC DSP AUDIO 16BIT 57CABGA |
| 标准包装： | 2,500 |
| 系列： | BelaSigna® 250 |
| 类型： | 音频处理器 |
| 应用： | 便携式设备 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 57-VFBGA |
| 供应商设备封装： | 57-CABGA（5x5） |
| 包装： | 带卷 (TR) |
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Semiconductor Components Industries, LLC, 2012
July, 2012 Rev. 9
1
Publication Order Number:
B250/D
BELASIGNA 250
High-Performance
Programmable Audio
Processing System
Introduction
BELASIGNA 250 is a complete programmable audio processing
system, designed specifically for ultralowpower embedded and
portable digital audio systems. This highperformance chip builds on
the architecture and design of BELASIGNA 200 to deliver
exceptional sound quality along with unmatched flexibility.
BELASIGNA 250 incorporates a full audio signal chain, from
stereo 16bit A/D converters or digital interfaces to accept the signal,
through the fully flexible digital processing architecture, to stereo
analog linelevel or direct digital power outputs that can connect
directly to speakers.
BELASIGNA 250 features flexible clocking options and smart
power management features including a soft powerdown mode. Two
DSP subsystems operate concurrently: the RCore, which is a fully
software programmable DSP core, and the weighted overlapadd
(WOLA) filterbank coprocessor, which is a dedicated, configurable
processor that executes timefrequency domain transforms and other
vector based computations. A full range of other hardwareassisted
features, such as audiotargeted DMA complete the system.
A comprehensive and easytouse suite of development tools,
handson training and full technical support are available to enable
rapid development and introduction of highly differentiated products
in record time.
Key Features
Unique Parallelprocessing Architecture: A Complete DSPbased,
Mixedsignal Audio System Consisting of a 16bit Fully
Programmable DualHarvard 16bit DSP Core, a Patented,
Highresolution Block Floatingpoint WOLA Filterbank Coprocessor,
and an Input/Output Processor (IOP) along with Several Peripherals
and Interfaces which Optimize the Architecture for Audio Processing
Integrated Converters and Powered Output: Minimize Need for
External Components
Ultralow Power Consumption: Under 5 mA at 20 MHz to Support
Advanced Operations; 1.8 V Supply Voltage
“Smart” Power Management: Including Low Current Standby
Mode Requiring Only 0.05 mA
Flexible Clocking Architecture: Supports Speeds up to 50 MHz
Full Range of Configurable Interfaces: Including: I2S, PCM,
UART, SPI, I2C, TWSS, GPIO
Excellent Fidelity: 88 dB System Dynamic Range, Exceptionally
Low System Noise and Low Group Delay
Support for IP Protection: to Prevent Unauthorized Access to
Algorithms and Data
Available in CABGA and LFBGA Package Options
These Devices are PbFree, Halogen Free/BFR Free and are RoHS
Compliant
http://onsemi.com
LFBGA64
PLASTIC
CASE 504
MARKING DIAGRAMS
CABGA57
PLASTIC
CASE 566AA
See detailed ordering and shipping information in the package
dimensions section on page 28 of this data sheet.
ORDERING INFORMATION
0W888002 = 64 LFBGA Option
0W633 = 57 CABGA Option
XXXX
= Date Code
Y
= Assembly Plant Identifier
ZZ
= Traceability Code
AAAA
= Country of Assembly
XXXXYZZ
BELASIGNA
250
0W888002
AAAA
XXXXYZZ
B250
0W633
AAAA
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