Overview
The XTR111AIDGQR is a precision voltage-to-current converter and transmitter produced by Texas Instruments. This device is designed to handle standard 0mA to 20mA or 4mA to 20mA analog signals and can source up to 36mA. It features a single-resistor (RSET) configurable input/output ratio, making it versatile for various applications. The XTR111AIDGQR includes an adjustable 3V to 15V subregulator output, which can supply additional circuitry, and an external P-MOSFET transistor for high output resistance and a broad compliance voltage range. The device is available in 10-pin HVSSOP and VSON surface-mount packages, ensuring ease of integration into a wide range of systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | -40 | 125 | °C | |
| Supply Voltage Range | 7 | 44 | V | |
| Output Current Range | 0 | 36 | mA | |
| Nonlinearity | 0.002% | |||
| Offset Drift | 1µV/°C | |||
| Accuracy | 0.015% | |||
| V-Regulator Output (REGF) | 2.85 | 3.0 | 3.15 | V |
| Package Type | 10-pin HVSSOP, 10-pin VSON |
Key Features
- Easy-to-design input/output ranges: 0mA–20mA, 4mA–20mA, 5mA–25mA or configurable voltage outputs.
- High accuracy and low nonlinearity (0.002%) and offset drift (1µV/°C).
- Single-supply operation with a wide supply range (7V to 44V).
- Output error flag (EF) and output disable (OD) features.
- Adjustable 3V to 15V subregulator output for additional circuitry.
- High output resistance and broad compliance voltage range using an external P-MOSFET transistor.
Applications
- Industrial automation and control systems for standard 0mA to 20mA or 4mA to 20mA analog signals.
- Signal conditioning and sensor excitation in 3-wire sensor systems.
- Systems requiring high output resistance and wide voltage compliance.
- Applications where precise current sourcing and low interference are critical.
Q & A
- What is the primary function of the XTR111AIDGQR?
The XTR111AIDGQR is a precision voltage-to-current converter designed to convert input voltage to output current, particularly for standard 0mA to 20mA or 4mA to 20mA analog signals.
- What is the range of the adjustable subregulator output?
The adjustable subregulator output can be set between 3V to 15V.
- What is the maximum output current of the XTR111AIDGQR?
The device can source up to 36mA of output current.
- What is the significance of the external P-MOSFET transistor in the XTR111AIDGQR?
The external P-MOSFET transistor provides high output resistance and a broad compliance voltage range that extends from 2V below the supply voltage to voltages well below ground.
- What are the available package types for the XTR111AIDGQR?
The device is available in 10-pin HVSSOP and 10-pin VSON surface-mount packages.
- What is the operating temperature range of the XTR111AIDGQR?
The operating temperature range is from -40°C to 125°C).
- How is the input/output ratio set in the XTR111AIDGQR?
The ratio between input voltage and output current is set by a single resistor, RSET).
- What are the key accuracy specifications of the XTR111AIDGQR?
The device has an accuracy of 0.015% and a nonlinearity of 0.002%).
- Does the XTR111AIDGQR have built-in current limiting?
No, the XTR111AIDGQR does not provide internal current limit for the case when the external FET is forced to low impedance. However, it has an internal current source that controls the output current).
- What are some common applications of the XTR111AIDGQR?
Common applications include industrial automation, signal conditioning, and sensor excitation in 3-wire sensor systems).
