Overview
The INA286AID from Texas Instruments is a high-accuracy, bidirectional current shunt monitor designed for precise current and power measurement. This device is part of the INA28x family and is particularly suited for real-time system protection, feedback control, and high-accuracy system monitoring. It operates with a single supply voltage ranging from 2.7V to 18V, making it versatile for various applications. The INA286AID features a low offset voltage and high common-mode rejection ratio (CMRR), ensuring accurate measurements even in noisy environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Brand | Texas Instruments | |
| Power Supply Type | Single | |
| Typical Single Supply Voltage | 2.7 to 18 | V |
| Minimum CMRR | 120 dB | |
| Number of Channels per Chip | 1 | |
| Output Type | Bidirectional | |
| Maximum Supply Current | 900 μA | |
| Mounting Type | Surface Mount | |
| Package Type | SOIC | |
| Pin Count | 8 | |
| Dimensions | 5 x 4 x 1.5 mm | |
| Height | 1.5 mm | |
| Length | 5 mm | |
| Width | 4 mm | |
| Minimum Operating Temperature | -40 °C | |
| Maximum Operating Temperature | +125 °C | |
| Offset Voltage | ±20 μV | |
| Input Bias Current per Pin | 25 μA | |
| Differential Input Impedance | 6 kΩ | |
| Output Impedance | 1.5 Ω | |
| Maximum Capacitive Load | No sustained oscillation at 1 nF |
Key Features
- High Accuracy: The INA286AID offers a low offset voltage of ±20 μV and a high CMRR of up to 140 dB, ensuring precise current measurements.
- Bidirectional Operation: Capable of sensing current in both directions, making it suitable for a wide range of applications.
- Wide Common-Mode Range: The device can handle common-mode voltages from -14V to +80V, making it robust in noisy environments.
- Low Power Consumption: The maximum supply current is 900 μA, which is efficient for power-sensitive designs.
- Compact Package: The SOIC-8 package is compact and suitable for surface mount applications, saving board space.
- High Temperature Range: Operates from -40°C to +125°C, making it suitable for harsh environmental conditions.
Applications
- Real-Time System Protection: Used for overcurrent protection and fault detection in various systems.
- Feedback Control: Employed in feedback control loops for precise current regulation.
- High-Accuracy System Monitoring: Ideal for monitoring current in high-accuracy applications such as industrial automation, medical devices, and automotive systems.
- Power Measurement: Utilized for measuring power consumption in various electronic systems.
Q & A
- What is the typical supply voltage range for the INA286AID?
The typical supply voltage range for the INA286AID is from 2.7V to 18V.
- What is the minimum CMRR of the INA286AID?
The minimum CMRR of the INA286AID is 120 dB.
- How many channels does the INA286AID support?
The INA286AID supports one channel per chip.
- What is the output type of the INA286AID?
The output type of the INA286AID is bidirectional.
- What is the maximum supply current of the INA286AID?
The maximum supply current of the INA286AID is 900 μA.
- What is the package type and pin count of the INA286AID?
The package type is SOIC-8 with 8 pins.
- What are the dimensions of the INA286AID?
The dimensions are 5 x 4 x 1.5 mm.
- What is the operating temperature range of the INA286AID?
The operating temperature range is from -40°C to +125°C.
- What is the offset voltage of the INA286AID?
The offset voltage is ±20 μV.
- What is the differential input impedance of the INA286AID?
The differential input impedance is 6 kΩ.
