WMSIC Electronic Components

MICROCHIP MCP4921-E/SN MCP4921

ModelMCP4921-E/SN
PackageSOIC-8
BrandMICROCHIP
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICROCHIP MCP4921-E / SN
Type
MICROCHIP
Minimum package
1000 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
MCP4921-E/SN
Electronic Component
1
Package
SOIC-8
Electronic Component
DAC IC
Electronic Component
0.176g
Electronic Component
1
Channel Count
1
Features
Programmable;; positions
Electronic Component
BM0107672524
Operating Temperature
40℃~+125℃
Operating Voltage
2.7V~5.5V
Electronic Component
4.5us
Interface Type
SPI
Output Type
Voltage

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

产品概述:MCP4921-E/SN 数模转换器

1. 引言

MCP4921-E/SN 是由美国微芯科技(Microchip Technology Inc.)推出的一款高性能,12位单通道数模转换器(DAC)。它采用了优化的电阻串架构,提供了良好的线性度和转换精度,非常适合用于各种电子设备的信号生成和处理任务。

2. 主要特性

  • 位数与分辨率: MCP4921-E/SN 提供了12位分辨率,能够以4096个不同的输出电压级别进行模数转换,这对于需要高精度和细腻控制的应用场景非常重要。

  • 电源电压: 该DAC支持数字和模拟供电电压范围为2.7V至5.5V,使其能够广泛适应于各种电源环境,并且方便与其他电路集成。

  • 输出特性: 该设备的输出类型为电压缓冲(Buffered Voltage Output),这一特性异常重要,因为其可以有效降低负载对输出电压的影响,从而提高系统的稳定性和精度。

  • 数据接口: MCP4921-E/SN 支持SPI(Serial Peripheral Interface)数据接口,该接口简单高效,方便与微控制器(MCU)和其他数字设备进行通信,适合高速数据传输。

  • 温度范围: 工作温度范围为-40°C至125°C,表明其在恶劣环境下的稳定性,适合用于工业控制、汽车电子及其他要求严格的应用场合。

3. 性能指标

该DAC具有优秀的非线性度(INL)和差分非线性度(DNL),分别为±4 LSB和±0.25 LSB。这一点对于保证转换精度及信号质量极为重要,尤其是在音频处理和精密信号生成等应用中。

4. 应用场景

MCP4921-E/SN 广泛适用于多个领域,包括:

  • 音频系统: 利用其高精度输出,可用于合成声音或生成音频信号,使其成为音乐仪器或数字音频处理器的理想选择。
  • 工业控制: 在仪器仪表、过程控制及传感器接口中,DAC可用于精确控制和反馈,使得系统更加高效稳定。
  • 汽车电子: 嵌入式系统和控制模块中,MCP4921-E/SN 可用于传感器信号处理,执行精密的控制任务。
  • 医疗设备: 用于精确的信号生成或处理,提高医疗仪器的性能与可靠性。

5. 封装与安装

MCP4921-E/SN 采用SOIC-8 表面贴装型封装,既节省空间,又便于大规模生产和自动化焊接。此外,其小巧的体积也适合用于空间受限的应用设计。

6. 设计注意事项

在使用MCP4921-E/SN 时,设计人员需特别注意外部参考电压的设定,以及SPI接口信号的完整性和信号干扰的问题。适当的去耦电容用于电源旁路可有效提高电源的稳定性,并保护DAC免受高频噪声的干扰。

7. 总结

总之,MCP4921-E/SN 是一款性能稳定且功能强大的12位数模转换器,凭借其广泛的工作电压范围、优秀的线性度、支持SPI接口以及适应恶劣环境的能力,成为设计者在信号生成和处理方面的得力助手。无论是在工业控制、音频设备还是汽车电子领域,MCP4921-E/SN 都能为高性能设计提供可靠支持,是实现现代智能系统的重要组成部分。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.