Overview
The INA2180A3IDGKR is a dual-channel, low- and high-side voltage output current-sense amplifier manufactured by Texas Instruments. This component is designed to provide accurate current sensing in a variety of applications, including motor control, battery monitoring, power management, and overcurrent detection. The amplifier features a high bandwidth of 350 kHz and a common-mode range of –0.2 V to +26 V, making it versatile for different operational conditions. It is available in an 8-pin VSSOP package and operates over an extended temperature range of –40°C to 125°C.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) - Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Package | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Amplifier Type | Current Sense |
| Number of Circuits | 2 |
| Output Type | Rail-to-Rail |
| Slew Rate | 2 V/µs |
| Gain Bandwidth Product | 150kHz |
| Current - Input Bias | 80µA |
| Voltage - Input Offset | ±100µV |
| Current - Supply | 355µA |
| Voltage - Supply, Single/Dual (±) | 2.7 V ~ 5.5 V |
| Operating Temperature | –40°C ~ 125°C |
| Mounting Type | Surface Mount |
Key Features
- High Bandwidth: 350 kHz, ensuring high accuracy in current sensing applications.
- Common-Mode Range: –0.2 V to +26 V, allowing for a wide range of operational conditions.
- Low Offset Voltage: ±100 µV (maximum) at VCM = 0 V, enhancing precision in current measurements.
- Rail-to-Rail Output: Provides full output swing, maximizing the dynamic range of the amplifier.[
- Low Quiescent Current: 355 µA, making it energy-efficient for various applications.[
- Dual-Channel Configuration: Allows for simultaneous monitoring of two current paths, increasing system flexibility.[
- Extended Operating Temperature Range: –40°C to 125°C, suitable for harsh environmental conditions.[
Applications
- Motor Control: Accurate current sensing is crucial for motor control systems to ensure efficient and safe operation.
- Battery Monitoring: Used in battery management systems to monitor charge and discharge currents.
- Power Management: Essential in power supply units and power management ICs to monitor current levels.
- Overcurrent Detection: Helps in detecting overcurrent conditions to protect the system from potential damage.
- Lighting Control: Used in lighting systems to monitor and control current levels.
- Solar Inverters: Monitors current in solar inverter systems to optimize energy harvesting and conversion.
Q & A
- What is the primary function of the INA2180A3IDGKR?
The INA2180A3IDGKR is a dual-channel current-sense amplifier designed to accurately measure current in various applications.
- What is the bandwidth of the INA2180A3IDGKR?
The bandwidth of the INA2180A3IDGKR is 350 kHz.
- What is the common-mode range of the INA2180A3IDGKR?
The common-mode range is –0.2 V to +26 V.
- What is the input bias current of the INA2180A3IDGKR?
The input bias current is 80 µA.
- What is the supply voltage range for the INA2180A3IDGKR?
The supply voltage range is 2.7 V to 5.5 V.
- What is the operating temperature range of the INA2180A3IDGKR?
The operating temperature range is –40°C to 125°C.
- In what package is the INA2180A3IDGKR available?
The INA2180A3IDGKR is available in an 8-pin VSSOP package.
- What are some typical applications of the INA2180A3IDGKR?
Typical applications include motor control, battery monitoring, power management, overcurrent detection, and solar inverters.
- What is the slew rate of the INA2180A3IDGKR?
The slew rate is 2 V/µs.
- Is the INA2180A3IDGKR RoHS compliant?
