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MAX489ESD from MAX,MAXIM - Dallas Semiconductor

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MAX489ESD

Manufacturer: MAX

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers

Partnumber Manufacturer Quantity Availability
MAX489ESD MAX 4500 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX489ESD is a low-power transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** +4.5V to +5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Package:** 14-Pin SOIC (Small Outline Integrated Circuit)  
- **Quiescent Current:** 120µA (Typical)  
- **Receiver Input Impedance:** ≥12kΩ  
- **Driver Output Voltage Swing:** ±5V (Min, with 54Ω Load)  

### **Descriptions:**  
The MAX489ESD is a low-power, RS-485/RS-422 compliant transceiver designed for half-duplex communication. It features enhanced electrostatic discharge (ESD) protection, making it suitable for harsh industrial environments. The device operates from a single +5V supply and includes a driver and receiver with tri-state outputs.

### **Features:**  
- **Low Power Consumption:** 120µA quiescent current (typical).  
- **ESD Protection:** ±15kV on bus pins (Human Body Model).  
- **Half-Duplex Communication:** Supports one driver and one receiver.  
- **Wide Common-Mode Range:** -7V to +12V for robust noise immunity.  
- **Thermal Shutdown Protection:** Prevents damage from excessive power dissipation.  
- **Short-Circuit-Current Limiting:** Protects driver outputs.  
- **Tri-State Outputs:** Allows bus sharing in multi-drop networks.  
- **Compliant with RS-485/RS-422 Standards:** Ensures compatibility with industrial communication protocols.  

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

Partnumber Manufacturer Quantity Availability
MAX489ESD MAXIM 340 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX489ESD is a low-power transceiver manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX489ESD  
- **Package:** SOIC-14  
- **Operating Voltage Range:** +4.5V to +5.5V  
- **Data Rate:** Up to 2.5Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Supply Current (Shutdown Mode):** 0.1µA (typical)  
- **Supply Current (Active Mode):** 0.3mA (typical)  

### **Descriptions:**  
The MAX489ESD is a low-power, RS-485/RS-422-compliant transceiver designed for half-duplex communication. It features a reduced slew-rate driver to minimize EMI and reduce reflections in improperly terminated cables. The device includes a fail-safe circuit to ensure a high receiver output when inputs are open or shorted.  

### **Features:**  
- Low-Power Operation  
- Half-Duplex Communication  
- Reduced Slew Rate for Low EMI  
- Thermal Shutdown Protection  
- Short-Circuit Current Limiting  
- Receiver Fail-Safe for Open/Shorted Inputs  
- ESD Protection (±15kV)  
- Compatible with RS-485 and RS-422 Standards  

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

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