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SM5843A中文资料
SM5843A数据手册规格书PDF详情
OVERVIEW
The SM5843A×1 is a multi-function digital filter IC, fabricated using NPC’s Molybdenum-gate CMOS process, for digital audio reproduction equipment. It features 8-times oversampling (interpolation), digital deemphasis and soft muting functions. It accepts 16, 18, or 20-bit input data, and outputs data in 18 or 20-bit format. It operates using either a 384fs or 256fs system clock.
FEATURES
■ Filter configuration (2-channel processing)
• 8-times oversampling (interpolation)
- 3-stage FIR configuration
• Deemphasis filter
- IIR filter configuration for correct gain and phase characteristics
- 2-channel independent ON/OFF control
- 32/44.1/48 kHz sampling frequency (fs)
• 21 × 22-bit parallel multiplier/25-bit accumulator for high precision
• Overflow limiter
■ 2 oversampling filter characteristics
• Sharp roll-off characteristic (response 1)
- ≤ ±0.00005 dB passband ripple (0 to 0.4535fs)
- ≥ 110 dB stopband attenuation (0.5465fs to 7.4535fs)
• Slow roll-off characteristic (response 2)
- ≤ ±0.00003 dB passband ripple (0 to 0.235fs)
- ≥ 77 dB stopband attenuation (0.745fs to 7.255fs)
■ Soft muting
■ Digital attenuator
■ Input data format
• 2s complement, MSB first
- LR alternating, 16/18/20-bit serial, trailing data
- LR alternating, 20-bit serial, leading data
- LR simultaneous, 20-bit serial, leading data
■ Output data format
• 2s complement, MSB first, LR simultaneous
• 18/20-bit serial
• BCKO burst (NPC format)
■ Dither processing ON/OFF control
■ Jitter-free/Sync mode selectable
■ 256fs/384fs system clock selectable
• 21.2/14.2MHz maximum frequency (384fs/256fs)
■ 5 V supply
■ Crystal oscillator circuit built-in
■ TTL-compatible input/outputs
■ 28-pin plastic DIP and SOP
■ Molybdenum-gate CMOS
APPLICATIONS
■ CD players
■ DAT players
■ PCM systems
SM5843A产品属性
- 类型
描述
- 型号
SM5843A
- 制造商
NPC
- 制造商全称
Nippon Precision Circuits Inc
- 功能描述
Audio Multi-function Digital Filter
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
NPC |
21+ |
CDIP |
8080 |
原装现货实单必成 只做原装! |
|||
NPC |
22+ |
SOP-28 |
7500 |
十年品牌!原装现货!!! |
|||
NPC |
2021+ |
CDIP |
1600 |
自家库存,百分之百原装 |
|||
NPC |
23+ |
SOP |
8000 |
全新原装假一赔十 |
|||
NPC |
22+23+ |
New |
35973 |
绝对原装正品现货,全新深圳原装进口现货 |
|||
NPC |
22+ |
SOP28 |
28600 |
只做原装正品现货假一赔十一级代理 |
|||
NPC |
23+ |
SOP28 |
50000 |
全新原装正品现货,支持订货 |
|||
NPC |
2022 |
SOP28 |
80000 |
原装现货,OEM渠道,欢迎咨询 |
|||
NPC |
2022+ |
SOP28 |
1500 |
原厂代理 终端免费提供样品 |
|||
NPC |
22+ |
SOP28 |
354000 |
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SM5843A 芯片相关型号
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Nippon Precision Circuits Inc
Nippon Precision Circuits Inc(简称:NPC)自1975年作为精工集团的半导体制造商成立以来,我们专注于生产独特的高附加值产品,主要以晶振IC为核心,包括数字产品。我们的主打产品晶振IC在全球市场中占据最大的份额,广泛应用于通信设备和家电等各种电子设备中,以支持我们的日常生活。此外,我们最近还强调传感器产品的开发,这些传感器能够感知运动和/或温度变化并将其转换为电信号。我们的优势之一在于拥有自主工厂,负责从产品规划、设计到制造的各个环节,工厂位于栃木县的那须盐原市,周边环境优美,紧邻日光国家公园。除了多年来致力于模拟大规模集成电路(LSI)的开发外,我们始终秉持“追