处理中...

首页  >  产品百科  >  LE57D122BTC

LE57D122BTC

产品分类: 其他接口芯片
产品描述: SLIC 2-CH 67dB 120mA 5V 44-Pin LQFP EP Tray
供应商型号: LE57D122BTC
供应商: 国内现货
标准整包数: 1000
MICROCHIP TECHNOLOGY 其他接口芯片 LE57D122BTC

LE57D122BTC概述

    Comprehensive Analysis of the Le5712 Dual Subscriber Line Interface Circuit
    1. Product Introduction
    The Le5712 Dual Subscriber Line Interface Circuit is a highly versatile integrated circuit specifically designed for applications requiring high-density Plain Old Telephone Service (POTS). Its primary functions include providing a reliable line interface for both loop start and ground start systems while maintaining low power consumption and a small form factor. Targeted applications include central office (CO) solutions, Digital Loop Carrier (DLC) systems, and various international standards-compliant telecommunication setups, particularly those in regions such as India, China, Korea, Japan, Taiwan, and Australia.
    Key aspects of its functionality include:
    - Support for dual-channel operations in one compact 44-pin package.
    - Capability to handle metering functions and reverse polarity signaling.
    - Compatibility with a wide range of global telecom requirements, including North American DLC standards (TR-57-CORE).
    2. Technical Parameters
    Below are the extracted technical specifications from the data sheet:
    | Parameter | Specification |

    | Type | Dual-Channel SLIC Device |
    | Operational Voltage | +5 V and battery supply (supporting –39 to –60 V battery operation) |
    | Output Current | >20 mA into 2000 Ω from –48 V |
    | Current Limit | Programmable |
    | Thermal Management | On-chip Thermal Management (TMG) feature |
    | Standby Power Consumption | 24 mW/channel |
    | Ring-Off Voltage | Supports 2.0 Vrms metering applications |
    | Control States | Active, Active Metering, Reverse Polarity, Standby, Tip Open, Disconnect |
    | Logic Input Compatibility | 3.3-V compatible |
    | Pin Configuration | 44-pin eTQFP (12 x 12 mm footprint) |
    3. Product Features and Advantages
    The Le5712 is a breakthrough in SLIC technology, offering several unique advantages:
    - High Density Integration: Combining two channels into a single package reduces PCB size, making it ideal for compact designs.
    - Thermal Efficiency: Its on-chip Thermal Management (TMG) minimizes power dissipation, supporting advanced heat management.
    - Programmability: Users can adjust current limits, thresholds, and other parameters to suit specific applications.
    - Global Compliance: Meets requirements for diverse international markets, including metering and reverse polarity capabilities.
    - Reduced Component Count: Designed to minimize external components, simplifying line card design.
    Its strong market positioning stems from its ability to balance performance, efficiency, and cost-effectiveness, making it a top choice for modern telecom hardware.
    4. Application Case Studies and Usage Recommendations
    Application Case 1: POTS without Metering
    In a standard POTS setup, the Le5712 connects directly to a QLSLAC codec. This configuration supports loop start and ground start modes, meeting GR57 and ITU Q.552 standards. A suggested optimization involves calibrating the transmission network to support a broad range of gains (+4 to -4 dBr transmit and 0 to -8 dBr receive) for global markets.
    Application Case 2: Pulse Metering Systems
    When integrated with the QLSLAC device, the Le5712 can support pulse metering applications with precise gain adjustments. Typical configurations allow fo

LE57D122BTC参数

参数
通用封装 QFP
安装方式 贴片安装
零件状态 在售
包装方式 卷带包装

LE57D122BTC厂商介绍

Microchip Technology是一家全球领先的半导体公司,总部位于美国亚利桑那州。公司成立于1989年,专注于设计、制造和销售各种微控制器、模拟、FPGA、连接、功率管理、分立和安全产品。

Microchip Technology的产品主要分为以下几类:
1. 微控制器(MCU):包括PIC、AVR和dsPIC系列,广泛应用于工业控制、消费电子、汽车电子等领域。
2. 模拟产品:包括电源管理、信号处理、接口和传感器等,用于提高系统性能和降低功耗。
3. 连接产品:包括以太网、无线和串行通信解决方案,实现设备间的高效数据传输。
4. FPGA(现场可编程门阵列):提供灵活的硬件解决方案,适用于高速数据处理和复杂逻辑设计。
5. 功率管理产品:包括电源模块、电池管理等,用于提高能效和延长设备寿命。
6. 分立产品:包括二极管、晶体管、MOSFET等,用于电路保护和信号放大。
7. 安全产品:包括加密模块、安全存储器等,保护数据安全和防止篡改。

Microchip Technology的优势在于其丰富的产品线、强大的研发能力和全球销售网络。公司不断推出创新产品,满足客户在不同应用领域的多样化需求。同时,Microchip还提供全面的技术支持和定制化解决方案,帮助客户缩短产品上市时间并降低开发成本。

LE57D122BTC数据手册

厂牌 PDF简要描述 下载
MICROCHIP TECHNOLOGY 其他接口芯片 MICROCHIP TECHNOLOGY LE57D122BTC LE57D122BTC数据手册

LE57D122BTC封装设计

查看详情并下载
Symbol
Footprint
3D Model
价格梯度 中国香港交货 内地交货(含增值税)
1000+ ¥ 186.8342
2000+ ¥ 183.5274
3000+ ¥ 181.874
库存: 13000
起订量: 1000 增量: 800
交货地:
最小起订量为:1000
合计: ¥ 186834.2
直接购买
加入购物车

爆款推荐

型号 价格(含增值税)
1-1437684-9 ¥ 474.9171
100-CG2293 ¥ 0
1061082100 ¥ 0
1411268 ¥ 3.2568
1411269 ¥ 4.1245
1411270 ¥ 14.0904
1411272 ¥ 21.2619
14230R-450 ¥ 308.0205
1437683-6 ¥ 326.8828
21700501 ¥ 451.5