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MAX490ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX490ESA

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX490ESA MAXIM 100 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX490ESA is a low-power, slew-rate-limited RS-485/RS-422 transceiver manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage Range:** +4.75V to +5.25V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 2.5Mbps  
- **Low Quiescent Current:** 120µA (typical)  
- **Slew-Rate Limited for Reduced EMI**  
- **Half-Duplex Communication**  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Package:** 8-pin SOIC (ESA)  

### **Descriptions and Features:**  
- Designed for RS-485 and RS-422 communication.  
- Features slew-rate-limited drivers to minimize EMI and reduce reflections in unterminated cables.  
- Includes a low-power shutdown mode (1µA typical).  
- Driver maintains high impedance in shutdown or with power off.  
- Receiver input impedance: ≥12kΩ (allows up to 32 transceivers on the bus).  
- Thermal shutdown protection for driver overheating.  
- Compatible with TTL and CMOS logic levels.  

This transceiver is commonly used in industrial control, automotive, and telecom applications requiring robust differential communication.

Partnumber Manufacturer Quantity Availability
MAX490ESA MAX 4500 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX490ESA is a low-power, slew-rate-limited RS-485/RS-422 transceiver manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage:** +5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Slew-Rate Limited:** Reduces EMI and reflections  
- **Low Power Consumption:**  
  - **Shutdown Current:** 1µA (max)  
  - **Quiescent Current:** 120µA (max)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
- Designed for half-duplex RS-485/RS-422 communication.  
- Features slew-rate limiting for reduced EMI in noisy environments.  
- Includes a low-power shutdown mode for power-sensitive applications.  
- Robust ESD protection enhances reliability.  

### **Features:**  
- **Slew-Rate Limited for Low EMI**  
- **Low-Power Shutdown Mode**  
- **Enhanced ESD Protection (±15kV HBM)**  
- **Half-Duplex Operation**  
- **Wide Operating Temperature Range (-40°C to +85°C)**  
- **Industry-Standard Pinout**  

This transceiver is suitable for industrial, automotive, and communication applications requiring reliable data transmission.

Partnumber Manufacturer Quantity Availability
MAX490ESA MAXI 50 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX490ESA is a low-power, quad RS-422/RS-423 line driver/receiver manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Type:** Quad RS-422/RS-423 Line Driver/Receiver  
- **Supply Voltage:** ±4.5V to ±5.5V (Dual Supply)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 4 Drivers / 4 Receivers  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** Typically 5mA per Driver/Receiver  

### **Descriptions:**  
The MAX490ESA is designed for balanced (RS-422) and unbalanced (RS-423) data transmission applications. It features four independent driver/receiver pairs with high-speed operation and low power consumption. The device is suitable for industrial, telecom, and networking applications requiring reliable data communication over long distances.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **High-Speed Data Transmission:** Supports up to 2.5Mbps.  
- **Wide Supply Range:** Operates from ±4.5V to ±5.5V.  
- **ESD Protection:** Robust ±15kV ESD protection on driver outputs and receiver inputs.  
- **Fail-Safe Receiver Inputs:** Ensures logic-high output when inputs are open or shorted.  
- **Industrial Temperature Range:** Operates from -40°C to +85°C.  
- **Compact SOIC Package:** Space-saving 8-pin package.  

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

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