Overview
The AM26LV31CDRG4 from Texas Instruments is a BiCMOS quadruple differential line driver designed for high-performance and efficient serial communication. This device is optimized for balanced-bus transmission, particularly for RS422 and RS485 protocols. It operates from a single 3.3V supply and is capable of switching rates up to 32MHz, making it suitable for a wide range of industrial and commercial applications. The AM26LV31CDRG4 is built using Texas Instruments' proprietary LinIMPACT-C60™ technology, which ensures ultra-low power consumption without compromising speed. The device features high output-drive current, controlled rise and fall times, and high impedance in the power-off condition, making it a reliable choice for reliable data transmission over long distances.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Drivers/Receivers | 4/0 |
| Supply Voltage (nom) | 3 V ~ 3.6 V |
| Signaling Rate (max) | 32 MHz |
| Propagation Delay Time | 8 ns typical |
| Pulse Skew Time | 500 ps typical |
| Output Drive Current | ±30 mA |
| Rise and Fall Times | 3 ns typical |
| Differential Output Voltage (100Ω load) | 1.5 V typical |
| Power Dissipation | DC, 0.3 mW maximum; 385 mW typical at 32 MHz |
| Operating Temperature Range | -45°C to 85°C (AM26LV31I), 0°C to 70°C (AM26LV31C) |
| Package Type | 16-SOIC |
| Mounting Type | Surface Mount |
Key Features
- Switching rates up to 32 MHz
- Operates from a single 3.3V supply with the ability to accept 5V logic inputs
- Propagation delay time: 8 ns typical, pulse skew time: 500 ps typical
- High output-drive current: ±30 mA
- Controlled rise and fall times: 3 ns typical
- Differential output voltage with 100Ω load: 1.5 V typical
- Ultra-low power dissipation: DC, 0.3 mW maximum; 385 mW typical at 32 MHz
- Low-voltage pin-to-pin compatible replacement for AM26C31, AM26LS31, MB571
- High output impedance in power-off condition and driver output short-protection circuit
- Active-high and active-low enable inputs
- Lead-free and RoHS compliant
Applications
- Industrial automation
- Building automation
- Transportation systems
- Motor control: brushless DC and brushed DC motors
- Field transmitters: temperature sensors and pressure sensors
- Temperature sensors or controllers using Modbus
- Communications equipment and signal transmission applications
Q & A
- What is the primary function of the AM26LV31CDRG4?
The AM26LV31CDRG4 is a BiCMOS quadruple differential line driver designed for high-speed serial communication, particularly for RS422 and RS485 protocols.
- What is the operating voltage range of the AM26LV31CDRG4?
The device operates from a single 3.3V supply and can accept 5V logic inputs.
- What are the maximum switching rates of the AM26LV31CDRG4?
The device supports switching rates up to 32 MHz.
- What is the typical propagation delay time of the AM26LV31CDRG4?
The typical propagation delay time is 8 ns.
- What is the output drive current capability of the AM26LV31CDRG4?
The device has a high output-drive current of ±30 mA.
- What are the operating temperature ranges for the AM26LV31C and AM26LV31I?
The AM26LV31C operates from 0°C to 70°C, while the AM26LV31I operates from -45°C to 85°C.
- Is the AM26LV31CDRG4 RoHS compliant?
- What package type is the AM26LV31CDRG4 available in?
The device is available in a 16-SOIC package.
- What are some typical applications of the AM26LV31CDRG4?
Typical applications include industrial automation, building automation, transportation systems, motor control, and field transmitters.
- Does the AM26LV31CDRG4 have built-in protection features?
