Overview
The INA214CIDCKR is a precision current sense amplifier produced by Texas Instruments. It is designed for applications requiring accurate current measurement and monitoring, such as power management, battery monitoring, and industrial control systems. This device offers high accuracy, low offset voltage, and a wide common-mode voltage range, making it suitable for both low-side and high-side current sensing. Its compact SC-70 package ensures space efficiency, while its robust design ensures reliability in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7 to 26 | V | Wide operating range |
| Common-Mode Voltage | -0.1 to 26 | V | Supports high-side and low-side sensing |
| Gain | 100 | V/V | Fixed gain for precise current measurement |
| Offset Voltage | ±25 | µV | Low offset for high accuracy |
| Bandwidth | 350 | kHz | High bandwidth for fast response |
| Quiescent Current | 60 | µA | Low power consumption |
| Operating Temperature | -40 to 125 | °C | Wide temperature range |
| Package | SC-70 | - | Compact surface-mount package |
Key Features
- High accuracy current sensing with low offset voltage.
- Wide common-mode voltage range supports both high-side and low-side sensing.
- Fixed gain of 100 V/V for precise current measurement.
- Low quiescent current for power-sensitive applications.
- Compact SC-70 package for space-constrained designs.
- Robust performance across a wide temperature range (-40°C to 125°C).
Applications
The INA214CIDCKR is widely used in applications requiring accurate current monitoring and measurement. Typical applications include:
- Power Management: Monitoring current in power supplies and DC-DC converters.
- Battery Monitoring: Precise current measurement in battery management systems.
- Industrial Control: Current sensing in motor control and industrial automation systems.
- Consumer Electronics: Current monitoring in portable devices and chargers.
Q & A
1. What is the operating voltage range of the INA214CIDCKR?
The operating voltage range is from 2.7V to 26V.
2. Can the INA214CIDCKR be used for high-side current sensing?
Yes, it supports both high-side and low-side current sensing with a common-mode voltage range of -0.1V to 26V.
3. What is the gain of the INA214CIDCKR?
The device has a fixed gain of 100 V/V.
4. What is the typical offset voltage of the INA214CIDCKR?
The typical offset voltage is ±25 µV.
5. What is the bandwidth of the INA214CIDCKR?
The bandwidth is 350 kHz.
6. Is the INA214CIDCKR suitable for low-power applications?
Yes, it has a low quiescent current of 60 µA, making it suitable for power-sensitive applications.
7. What is the operating temperature range of the INA214CIDCKR?
The operating temperature range is -40°C to 125°C.
8. What package does the INA214CIDCKR come in?
It comes in a compact SC-70 package.
9. Can the INA214CIDCKR be used in motor control systems?
Yes, it is suitable for current sensing in motor control and industrial automation systems.
10. Is the INA214CIDCKR suitable for battery monitoring?
Yes, it provides precise current measurement, making it ideal for battery management systems.
