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MAX3111EEWI from MAXIM,MAXIM - Dallas Semiconductor

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MAX3111EEWI

Manufacturer: MAXIM

SPI/MICROWIRE-Compatible UART and 【15kV ESDProtected RS-232 Transceivers with Internal Capacitors

Partnumber Manufacturer Quantity Availability
MAX3111EEWI MAXIM 500 In Stock

Description and Introduction

SPI/MICROWIRE-Compatible UART and 【15kV ESDProtected RS-232 Transceivers with Internal Capacitors The MAX3111EEWI is a UART (Universal Asynchronous Receiver/Transmitter) with an integrated RS-232 transceiver, manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Package:** 28-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage:** 3.0V to 5.5V  
- **Data Rate:** Up to 230kbps  
- **Interface:** SPI (Serial Peripheral Interface)  
- **RS-232 Compliance:** EIA/TIA-232 and V.28/V.24  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 1 driver, 1 receiver  
- **Auto-Shutdown/Low-Power Mode:** Yes  
- **ESD Protection:** ±15kV (Human Body Model)  

### **Descriptions:**
The MAX3111EEWI combines a UART and an RS-232 transceiver in a single chip, reducing external component count. It is designed for low-power applications and supports SPI communication for easy interfacing with microcontrollers. The device includes auto-shutdown and wake-up features to minimize power consumption.

### **Features:**
- **Integrated UART + RS-232 Transceiver**  
- **SPI-Compatible Interface**  
- **Auto-Shutdown for Power Savings**  
- **Low Supply Current (300µA typical)**  
- **On-Chip Charge Pump for RS-232 Voltage Generation**  
- **ESD Protection on RS-232 Pins (±15kV HBM)**  
- **Software-Selectable Baud Rates**  
- **Small Footprint (SOIC-28 Package)**  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

SPI/MICROWIRE-Compatible UART and 【15kV ESDProtected RS-232 Transceivers with Internal Capacitors

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