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MAX3346EEUD

产品分类: USB接口芯片
厂牌: MAXIM INTEGRATED
产品描述: USB 1.1,USB 2.0 1.65V,3V,4V 3.6V,5.5V 12Mbps SOP 贴片安装 5mm*4.4mm*1.1mm
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标准整包数: 0
MAXIM INTEGRATED USB接口芯片 MAX3346EEUD

MAX3346EEUD概述

    MAX3346E ±15kV ESD-Protected USB Transceiver
    1. Product Introduction
    The MAX3346E is a high-performance bidirectional transceiver designed to convert logic-level signals to USB signals and vice versa. It is widely used in applications such as cell phones, PC peripherals, data cradles, PDAs, and MP3 players. Key functionalities include support for both low-speed (1.5 Mbps) and full-speed (12 Mbps) USB communications, ±15kV ESD protection on the USB I/O pins (D+ and D-), and built-in enumeration capabilities. The MAX3346E supports VL voltages as low as 1.65V, ensuring compatibility with low-voltage ASICs.
    2. Technical Parameters
    - Supply Voltages:
    - VCC: 4.0V to 5.5V
    - VTRM: 3.0V to 3.6V
    - VL: 1.65V to 3.6V
    - Current Consumption:
    - Full-speed operation (VCC): 8 mA (IVCC)
    - Full-speed idle: 340–450 µA (IVCC(IDLE))
    - Suspend mode: ≤40 µA (IVCC(SUSP))
    - ESD Protection: ±15kV Human Body Model, ±10kV Air-Gap Discharge, ±8kV Contact Discharge
    - Operating Temperature Range: -40°C to +85°C
    3. Product Features and Advantages
    The MAX3346E stands out due to its robust ESD protection, which shields USB I/O pins against electrical surges. It also features:
    - An internal 1.5kΩ pull-up resistor for low/full-speed operation.
    - Compatibility with USB Specifications 1.1 and 2.0.
    - Low power consumption in suspend mode (≤40 µA).
    - Logic-selectable suspend mode for energy efficiency.
    - Support for both single-ended and differential logic inputs.
    - Availability in compact packages like 4 x 4 UCSPTM and 14-pin TSSOP.
    4. Application Case Studies and Usage Recommendations
    The MAX3346E is ideal for low-power consumer electronics requiring robust USB connectivity. For example:
    - Cell Phone Charging Cradles: Utilize the MAX3346E’s enumeration feature to manage power distribution dynamically.
    - Portable Devices: Its ability to operate with low VL voltages makes it suitable for battery-powered devices.
    - PC Peripherals: Implementing the MAX3346E in keyboards or mice ensures reliable data transmission with minimal power consumption.
    Usage Recommendations:
    - Always bypass VTRM with a 1 µF capacitor to stabilize regulated output voltage.
    - Use appropriate termination resistors (e.g., 24.3Ω ±1%) for D+ and D- connections to ensure optimal signal integrity.
    - Verify compatibility with host systems before enabling high-speed modes.
    5. Compatibility and Support
    The MAX3346E is compatible with a wide range of USB devices and operating systems adhering to USB Specification 1.1 and 2.0. Maxim Integrated provides comprehensive documentation, including application notes and datasheets, along with technical support via their website and direct customer service channels.
    6. Common Issues and Solutions
    - Problem: Device overheating during full-speed operation.
    Solution: Ensure proper heat dissipation using recommended package configurations (UCSP or TSSOP) and add heatsinks if necessary.
    - Problem: Inconsistent data transmission.
    Solution: Check for correct power sequencing and ensure termination resistors match specified values.
    - Problem: Excessive current draw in suspend mode.
    Solution: Confirm all control pins are configured correctly to avoid unintended activation.
    7. Summary and Recommendation
    The MAX3346E offers an excellent combination of performance, low power consumption, and durability, making it an ideal choice for modern USB interfacing needs. Its ability to handle high ESD events, support multiple voltage levels, and work across various environments adds significant value to its use cases.
    Recommendation: Highly recommended for applications where compact size, energy efficiency, and reliable USB connectivity are critical. This product is particularly beneficial in low-power portable electronic devices and consumer gadgets.
    This article pr

MAX3346EEUD参数

参数
最小工作供电电压 1.65V,3V,4V
数据速率 12Mbps
支持协议 USB 1.1,USB 2.0
最大工作供电电压 3.6V,5.5V
长*宽*高 5mm*4.4mm*1.1mm
通用封装 SOP
安装方式 贴片安装
应用等级 工业级
零件状态 停产

MAX3346EEUD厂商介绍

Maxim Integrated(美信集成)是一家全球领先的半导体设计公司,专注于模拟、混合信号和微处理器解决方案。公司成立于1983年,总部位于美国加州圣何塞。

Maxim Integrated的主要产品分为以下几类:
1. 电源管理:包括电源管理IC、电池管理、电源转换器等,广泛应用于移动设备、工业控制等领域。
2. 微控制器:包括微处理器、微控制器等,应用于智能家居、物联网、医疗设备等领域。
3. 接口产品:包括以太网、串行通信、USB等接口产品,应用于通信、计算机等领域。
4. 传感器:包括温度、湿度、压力等传感器,应用于汽车、工业控制等领域。
5. 射频和无线:包括无线通信、射频放大器等产品,应用于无线通信、**通信等领域。

Maxim Integrated的优势在于:
1. 强大的研发能力:拥有超过4000项专利,持续推出创新产品。
2. 丰富的产品线:提供超过7万种产品,满足不同客户的需求。
3. 广泛的应用领域:产品广泛应用于消费电子、工业、汽车等领域。
4. 优质的客户服务:提供技术支持、定制解决方案等服务,满足客户的个性化需求。

MAX3346EEUD数据手册

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MAXIM INTEGRATED USB接口芯片 MAXIM INTEGRATED MAX3346EEUD MAX3346EEUD数据手册

MAX3346EEUD封装设计

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