Overview
The TRS3122ERGER, produced by Texas Instruments, is a highly versatile and efficient RS-232 interface device. This component is designed as a two-driver and two-receiver transceiver, enabling it to handle both transmission and reception of RS-232 signals. It is particularly notable for its ability to operate with a wide range of supply voltages, from 1.8 V to 5.5 V, making it compatible with various system requirements. The device features a unique tripler charge pump architecture, which allows it to maintain RS-232-compatible output levels even at low supply voltages. This makes it an ideal choice for modern systems that require low power consumption and high reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 1.65 V to 5.5 V |
| Data Rate | Up to 1000 kbps |
| Number of Drivers/Receivers | 2 Drivers, 2 Receivers |
| Package Type | 24-VQFN Exposed Pad |
| Operating Temperature Range | -40°C to 85°C |
| ESD Protection | ±15 kV IEC 61000-4-2 Air-Gap Discharge, ±8 kV IEC 61000-4-2 Contact Discharge, ±15 kV Human-Body Model |
| Shutdown Supply Current | 0.5 µA |
Key Features
- Unique Tripler Charge Pump Architecture: Enables operation with low VCC (1.8 V) while maintaining compatibility with 3.3 V and 5 V supplies.
- Integrated Level-Shifting Functionality: Eliminates the need for external power or additional level shifters when interfacing with low-voltage microcontrollers or UARTs.
- Enhanced ESD Protection: ±15 kV IEC 61000-4-2 Air-Gap Discharge, ±8 kV IEC 61000-4-2 Contact Discharge, and ±15 kV Human-Body Model.
- Auto Powerdown Plus: Automatically places the device in a low power mode after 30 seconds of inactivity.
- Mixed-Voltage Operation: Supports split supply pins for mixed-logic voltage systems.
Applications
- Remote Radio Unit (RRU)
- Base Band Unit (BBU)
- Electronic Point of Sale (EPOS)
- Diagnostics & Data Transmission
- Battery-Powered Equipment
Q & A
- What is the supply voltage range of the TRS3122ERGER?
The supply voltage range is from 1.65 V to 5.5 V.
- What is the maximum data rate supported by the TRS3122ERGER?
The device supports data rates up to 1000 kbps.
- How many drivers and receivers does the TRS3122ERGER have?
The device has 2 drivers and 2 receivers.
- What type of package does the TRS3122ERGER come in?
The device comes in a 24-VQFN Exposed Pad package.
- What is the operating temperature range of the TRS3122ERGER?
The operating temperature range is from -40°C to 85°C.
- What level of ESD protection does the TRS3122ERGER offer?
The device offers ±15 kV IEC 61000-4-2 Air-Gap Discharge, ±8 kV IEC 61000-4-2 Contact Discharge, and ±15 kV Human-Body Model ESD protection.
- What is the shutdown supply current of the TRS3122ERGER?
The shutdown supply current is 0.5 µA.
- Does the TRS3122ERGER require external level shifters for low-voltage MCU interfaces?
No, the device has integrated level-shifting functionality that eliminates the need for external level shifters.
- What is the Auto Powerdown Plus feature in the TRS3122ERGER?
The Auto Powerdown Plus feature automatically places the device in a low power mode after 30 seconds of inactivity.
- In what applications is the TRS3122ERGER commonly used?
The device is commonly used in Remote Radio Units (RRU), Base Band Units (BBU), Electronic Point of Sale (EPOS), diagnostics and data transmission, and battery-powered equipment.
- Is the TRS3122ERGER RoHS compliant?
