Overview
The XTR110KU/1K is a precision voltage-to-current converter/transmitter designed by Texas Instruments for analog signal transmission. This component is part of the XTR110 family and is particularly suited for applications requiring high precision and reliability. It accepts input voltages of 0 to 5V or 0 to 10V and can be configured for various output current ranges such as 4mA to 20mA, 0mA to 20mA, and 5mA to 25mA. The XTR110KU/1K features a single-supply operation with a wide supply range of 13.5V to 40V, making it versatile for different industrial and process control environments.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage Range | 0 | - | 10 | V |
| Output Current Range | 4 | - | 20 | mA |
| Nonlinearity (16mA/20mA Span) | 0.01 | 0.025 | 0.005 | % of Span |
| Offset Current, IOS (IO = 4mA) | 0.2 | 0.4 | 0.1 | % of Span |
| Power Supply Voltage, VCC | 13.5 | - | 40 | V |
| Quiescent Current (excluding IO) | 3 | 4.5 | - | mA |
| Operating Temperature Range | -40 | - | 85 | °C |
Key Features
- Selectable input/output ranges: 0V to +5V, 0V to +10V inputs and 4mA to 20mA, 0mA to 20mA, 5mA to 25mA outputs.
- Precision on-chip metal film resistor network for input scaling and current offsetting.
- Internal 10V voltage reference for driving external circuitry.
- Single-supply operation with a wide supply range of 13.5V to 40V.
- Low nonlinearity of 0.005% max and high accuracy.
- Available in 16-pin plastic DIP, ceramic DIP, and SOL-16 surface-mount packages.
- Commercial and industrial temperature range models available.
Applications
- Industrial process control.
- Pressure and temperature transmitters.
- Current-mode bridge excitation.
- Grounded transducer circuits.
- Current source reference for data acquisition.
- Programmable current source for test equipment.
- Power plant and energy system monitoring.
Q & A
- What are the input voltage ranges for the XTR110KU/1K?
The XTR110KU/1K accepts input voltages of 0 to 5V or 0 to 10V.
- What are the typical output current ranges for this component?
The typical output current ranges include 4mA to 20mA, 0mA to 20mA, and 5mA to 25mA.
- What is the nonlinearity specification for the 16mA/20mA span?
The nonlinearity for the 16mA/20mA span is 0.01% to 0.005% of span.
- What is the power supply voltage range for the XTR110KU/1K?
The power supply voltage range is from 13.5V to 40V.
- What is the quiescent current excluding IO?
The quiescent current excluding IO is 3 to 4.5 mA.
- What are the operating temperature ranges for this component?
The operating temperature range is from -40°C to +85°C.
- What types of packages are available for the XTR110KU/1K?
The component is available in 16-pin plastic DIP, ceramic DIP, and SOL-16 surface-mount packages.
- What are some common applications of the XTR110KU/1K?
Common applications include industrial process control, pressure and temperature transmitters, current-mode bridge excitation, and power plant monitoring.
- How can the offset current be adjusted in the XTR110KU/1K?
The offset current can be adjusted using a potentiometer as described in the datasheet, specifically by adjusting R1 to set the output current to 4mA when the input voltage is zero.
- Can the XTR110KU/1K be used as a programmable current source?
Yes, the XTR110KU/1K can be used as a precision programmable current source due to its selectable input/output ranges and high accuracy.
