Overview
The INA215BIDCKR is a high-precision current sense amplifier produced by Texas Instruments. It is part of the INA21x series, which includes voltage-output, current-shunt monitors designed for various applications such as overcurrent protection, precision-current measurement, and closed-loop feedback circuits. This device operates from a single 2.7-V to 26-V power supply and is available in a 6-pin SOT-SC70 (DCK) package.
The INA215BIDCKR features a wide common-mode range of –0.3 V to 26 V, making it versatile for different voltage levels. It has a low offset voltage and high accuracy, enabling precise current sensing even with low shunt drops.
Key Specifications
| Parameter | Description |
|---|---|
| Package | 6-pin SOT-SC70 (DCK) |
| Operating Temperature Range | –40°C to 125°C |
| Supply Voltage | 2.7 V to 26 V |
| Gain | 75 V/V |
| Offset Voltage | ±35 µV (Maximum) |
| Gain Error (Maximum Over Temperature) | ±0.5% (Version C), ±1% (Versions A and B) |
| Offset Drift | 0.5 µV/°C (Maximum) |
| Gain Drift | 10 ppm/°C (Maximum) |
| Quiescent Current | 100 µA (Maximum) |
| Slew Rate | 0.4 V/µs |
| Gain Bandwidth Product | 40 kHz |
| Input Bias Current | 28 µA |
| Input Offset Voltage | 1 µV |
| Mounting Type | Surface Mount |
Key Features
- Wide Common-Mode Range: –0.3 V to 26 V, allowing for operation across a broad range of common-mode voltages.
- High Precision: Low offset voltage (±35 µV) and low drift (0.5 µV/°C) ensure accurate current measurements.
- Bi-Directional Measurement: Capable of sensing current in both directions.
- Low Power Consumption: Maximum quiescent current of 100 µA.
- Compact Packaging: Available in a small 6-pin SOT-SC70 (DCK) package.
- High Gain Accuracy: Gain error of ±0.5% (Version C) and ±1% (Versions A and B) over temperature.
- Extended Operating Temperature Range: Specified over –40°C to 125°C.
Applications
- Overcurrent Protection: Used in systems requiring precise current monitoring to prevent overcurrent conditions.
- Precision Current Measurement: Ideal for optimizing system performance by accurately measuring current levels.
- Closed-Loop Feedback Circuits: Utilized in feedback loops to maintain precise control over current levels.
- Automotive and Industrial Systems: Suitable for various applications in automotive and industrial environments due to its robust specifications and wide operating temperature range.
Q & A
- What is the operating temperature range of the INA215BIDCKR?
The INA215BIDCKR operates over a temperature range of –40°C to 125°C.
- What is the supply voltage range for the INA215BIDCKR?
The device operates from a single 2.7-V to 26-V power supply.
- What is the gain of the INA215BIDCKR?
The gain of the INA215BIDCKR is 75 V/V.
- What is the maximum quiescent current of the INA215BIDCKR?
The maximum quiescent current is 100 µA.
- What is the common-mode range of the INA215BIDCKR?
The common-mode range is –0.3 V to 26 V.
- What is the offset voltage of the INA215BIDCKR?
The maximum offset voltage is ±35 µV.
- What is the slew rate of the INA215BIDCKR?
The slew rate is 0.4 V/µs.
- What is the gain bandwidth product of the INA215BIDCKR?
The gain bandwidth product is 40 kHz.
- Is the INA215BIDCKR RoHS compliant?
Yes, the INA215BIDCKR is RoHS compliant.
- What package types are available for the INA215BIDCKR?
The device is available in a 6-pin SOT-SC70 (DCK) package.
