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MAX3221CUE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX3221CUE+

Manufacturer: MAXIM

+3V to +5.5V RS-232 Transceivers with AutoShutdown

Partnumber Manufacturer Quantity Availability
MAX3221CUE+,MAX3221CUE MAXIM 1674 In Stock

Description and Introduction

+3V to +5.5V RS-232 Transceivers with AutoShutdown The MAX3221CUE+ is a 3.0V to 5.5V powered, 1µA, 1Mbps, true RS-232 transceiver manufactured by Maxim Integrated.  

### **Key Specifications:**  
- **Supply Voltage:** 3.0V to 5.5V  
- **Data Rate:** Up to 1Mbps  
- **Low Power Consumption:**  
  - **Shutdown Current:** 1µA (typical)  
  - **Active Current:** 300µA (typical)  
- **ESD Protection:** ±15kV (Human Body Model) on TX and RX pins  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-TSSOP  

### **Descriptions:**  
The MAX3221CUE+ is a low-power RS-232 transceiver designed for battery-powered applications. It integrates a charge pump to generate RS-232 voltage levels from a single 3V to 5.5V supply. The device features AutoShutdown Plus, which automatically reduces power consumption when the RS-232 cable is disconnected.  

### **Features:**  
- **AutoShutdown Plus:** Automatically enters low-power mode when no valid RS-232 signal is detected.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge up to ±15kV.  
- **Small Footprint:** Available in a space-saving 16-TSSOP package.  
- **Compliant with EIA/TIA-232 and V.28/V.24 standards.**  
- **Integrated Charge Pump:** Eliminates the need for external voltage converters.  

This device is suitable for portable electronics, industrial systems, and embedded applications requiring reliable RS-232 communication.

Partnumber Manufacturer Quantity Availability
MAX3221CUE+,MAX3221CUE MAX 85 In Stock

Description and Introduction

+3V to +5.5V RS-232 Transceivers with AutoShutdown The MAX3221CUE+ is a 3.0V to 5.5V-powered RS-232 transceiver manufactured by Maxim Integrated (now part of Analog Devices).  

### **Key Specifications:**  
- **Supply Voltage Range:** 3.0V to 5.5V  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 1 driver, 1 receiver  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin TSSOP (Thin Shrink Small Outline Package)  
- **ESD Protection:** ±15kV (Human Body Model) on RS-232 I/O pins  
- **Low Power Consumption:** Auto-shutdown and wake-up features for power savings  

### **Descriptions & Features:**  
- **RS-232 Compliance:** Meets EIA/TIA-232-F standards  
- **Auto-Shutdown:** Automatically enters low-power mode when no valid signal is detected  
- **Onboard Charge Pump:** Requires only four external 0.1µF capacitors for operation  
- **Receiver Hysteresis:** Improves noise immunity  
- **Pin-Compatible:** Drop-in replacement for industry-standard RS-232 transceivers  
- **Applications:** Portable devices, industrial equipment, battery-powered systems  

This device is designed for reliable serial communication in mixed-voltage systems.

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