Overview
The INA280A1QDCKRQ1 is a high-precision current sense amplifier produced by Texas Instruments. It is designed for DC current measurement and high-speed applications, such as fast overcurrent protection. This amplifier is part of the INA280-Q1 series, which is AEC-Q100 qualified, indicating its suitability for automotive applications. The device operates over a wide voltage range of 2.7 V to 120 V and features a high bandwidth of 1.1 MHz at a gain of 20 V/V, along with an 85-dB AC common-mode rejection ratio (CMRR) at 50 kHz.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SC70-5 |
| Number of Channels | 1 |
| Bandwidth | 1.1 MHz (at gain of 20 V/V) |
| Operating Voltage Range | 2.7 V to 120 V |
| AC CMRR | 85 dB (at 50 kHz) |
| Mounting Type | SMT (Surface Mount Technology) |
Key Features
- High precision current sensing
- High bandwidth of 1.1 MHz at a gain of 20 V/V
- High AC CMRR of 85 dB at 50 kHz
- Wide operating voltage range from 2.7 V to 120 V
- AEC-Q100 qualified for automotive applications
- Compact SC70-5 package
Applications
- Automotive systems: battery management, motor control, and power monitoring
- Industrial automation: current monitoring in power supplies and motor drives
- High-speed current measurement: fast overcurrent protection and real-time current monitoring
- Power management: monitoring current in power distribution systems
Q & A
- What is the primary function of the INA280A1QDCKRQ1? The primary function is high-precision current sensing.
- What is the bandwidth of the INA280A1QDCKRQ1? The bandwidth is 1.1 MHz at a gain of 20 V/V.
- What is the operating voltage range of the INA280A1QDCKRQ1? The operating voltage range is from 2.7 V to 120 V.
- Is the INA280A1QDCKRQ1 suitable for automotive applications? Yes, it is AEC-Q100 qualified.
- What is the package type of the INA280A1QDCKRQ1? The package type is SC70-5.
- What is the AC CMRR of the INA280A1QDCKRQ1 at 50 kHz? The AC CMRR is 85 dB at 50 kHz.
- What are some common applications of the INA280A1QDCKRQ1? Common applications include automotive systems, industrial automation, high-speed current measurement, and power management.
- How many channels does the INA280A1QDCKRQ1 have? The INA280A1QDCKRQ1 has one channel.
- What type of mounting does the INA280A1QDCKRQ1 use? The INA280A1QDCKRQ1 uses Surface Mount Technology (SMT).
- Where can I find detailed specifications for the INA280A1QDCKRQ1? Detailed specifications can be found on the Texas Instruments website, Digi-Key, and other electronic component distributors.
