Overview
The INA215CQDCKRQ1 is an automotive-grade, voltage output, low-side or high-side current-sensing amplifier produced by Texas Instruments. This device is part of the INA210-Q1 to INA215-Q1 series, which are designed for high-precision current measurements. The INA215CQDCKRQ1 operates from a single power supply ranging from 2.7 V to 26 V and draws a maximum of 100 µA of supply current. It features a zero-drift topology, enabling accurate measurements with low input offset voltages and minimal temperature drift.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2.7 to 26 | V |
| Quiescent Current (IQ) | 0.115 | mA |
| Common-Mode Voltage Range | -0.3 to 26 | V |
| Input Offset Voltage (max) | 60 | µV |
| Input Offset Drift (typ) | 0.1 | µV/°C |
| Voltage Gain | 75 | V/V |
| Gain Error (max) | 0.4%, 0.9% | % |
| Gain Error Drift (max) | 10 | ppm/°C |
| Bandwidth | 40 | kHz |
| Slew Rate | 0.4 | V/µs |
| Operating Temperature Range | -40 to 125°C, -55 to 125°C | °C |
| Package | SOT-SC70 (DCK)-6 |
Key Features
- Bidirectional Measurement Capability: The INA215CQDCKRQ1 can measure current in both directions, making it versatile for various applications.
- High Precision: Features zero-drift topology, ensuring high-precision measurements with low input offset voltages and minimal temperature drift.
- Low-Side Capable: Can be used in low-side configurations, allowing for flexible implementation in different circuit designs.
- Automotive Grade: Compliant with AEC-Q100 standards, making it suitable for automotive applications.
- Wide Common-Mode Voltage Range: Can handle common-mode voltages from -0.3 V to 26 V, making it suitable for a variety of power supply configurations.
Applications
- Automotive Systems: Ideal for current sensing in automotive power systems, battery management, and motor control.
- Industrial Automation: Used in industrial control systems, power supplies, and motor drives where precise current measurement is critical.
- Power Management: Suitable for power management systems, including DC-DC converters and power monitoring in various electronic devices.
- Medical Devices: Can be used in medical equipment where high precision and reliability in current measurement are essential.
Q & A
- What is the operating voltage range of the INA215CQDCKRQ1?
The INA215CQDCKRQ1 operates from a single power supply ranging from 2.7 V to 26 V.
- What is the maximum quiescent current of the INA215CQDCKRQ1?
The maximum quiescent current is 0.115 mA.
- What is the common-mode voltage range of the INA215CQDCKRQ1?
The common-mode voltage range is from -0.3 V to 26 V.
- What is the voltage gain of the INA215CQDCKRQ1?
The voltage gain is 75 V/V.
- What is the slew rate of the INA215CQDCKRQ1?
The slew rate is 0.4 V/µs.
- What is the bandwidth of the INA215CQDCKRQ1?
The bandwidth is 40 kHz.
- What is the operating temperature range of the INA215CQDCKRQ1?
The operating temperature range is from -40°C to 125°C, and also -55°C to 125°C for some versions.
- What package type is the INA215CQDCKRQ1 available in?
The INA215CQDCKRQ1 is available in the SOT-SC70 (DCK)-6 package.
- Is the INA215CQDCKRQ1 automotive-grade?
- Can the INA215CQDCKRQ1 be used for bidirectional current measurement?
