Overview
The XTR115UA/2K5, produced by Texas Instruments, is a precision current output converter designed to transmit analog 4-mA-to-20-mA signals over an industry standard current loop. This device is part of the XTR11x series, which includes the XTR115 and XTR116 models. The XTR115UA/2K5 is a fundamental building block of smart sensors and is widely used in industrial process control and other applications requiring accurate current transmission.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SO-8 (SOIC) |
| Operating Temperature Range | –40°C to +85°C |
| Loop Supply Range | 7.5 V to 36 V |
| Quiescent Current | 200 µA |
| VREF for Sensor Excitation | 2.5 V |
| Output Current Range | 4 mA to 20 mA |
| Span Error | ±0.05% |
| Nonlinearity Error | ±0.003% |
| On-chip Voltage Regulator | 5 V |
Key Features
- Low quiescent current: 200 µA
- 5-V regulator for external circuits
- Precision on-chip VREF (2.5 V) for sensor excitation
- Low span error: 0.05%
- Low nonlinearity error: 0.003%
- Wide loop supply range: 7.5 V to 36 V
- SO-8 package
- Current return pin (IRET) for accurate output current control
Applications
- 2-wire, 4-20-mA current loop transmitters
- Smart transmitters
- Industrial process control
- Test systems
- Compatible with HART modem
- Current amplifiers
- Voltage-to-current amplifiers
Q & A
- What is the primary function of the XTR115UA/2K5?
The primary function is to transmit analog 4-mA-to-20-mA signals over an industry standard current loop. - What is the operating temperature range of the XTR115UA/2K5?
The operating temperature range is –40°C to +85°C. - What is the quiescent current of the XTR115UA/2K5?
The quiescent current is 200 µA. - What is the VREF value for the XTR115UA/2K5?
The VREF value is 2.5 V. - What is the output current range of the XTR115UA/2K5?
The output current range is 4 mA to 20 mA. - What is the span error of the XTR115UA/2K5?
The span error is ±0.05%. - What is the nonlinearity error of the XTR115UA/2K5?
The nonlinearity error is ±0.003%. - Can the XTR115UA/2K5 be used in industrial process control?
Yes, it is widely used in industrial process control. - Is the XTR115UA/2K5 compatible with HART modems?
Yes, it is compatible with HART modems. - What package type does the XTR115UA/2K5 come in?
The XTR115UA/2K5 comes in an SO-8 (SOIC) package.
