Overview
The INA198AIDBVR is a current shunt monitor from Texas Instruments, designed to sense voltage drops across shunts at a wide range of common-mode voltages. This device is part of the INA193-INA198 family, which offers high accuracy and reliability in current measurement applications. The INA198AIDBVR is particularly useful in systems where precise current monitoring is crucial, such as in automotive, industrial, and power management systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Common-Mode Voltage Range | -16 V to +80 V | V |
| Gain | 100 V/V | V/V |
| Bandwidth | Up to 200 kHz | kHz |
| Offset Voltage, RTI | ±0.5 mV | mV |
| Gain Error | ±0.2% (at 25°C), ±1% (over temperature) | % |
| Total Output Error | ±0.75% (at 25°C), ±2.2% (over temperature) | % |
| Nonlinearity Error | ±0.002% to ±0.1% | % |
| Output Impedance | 1.5 Ω | Ω |
| Maximum Capacitive Load | 10 nF (no sustained oscillation) | nF |
| Input Bias Current | ±8 μA to ±16 μA | μA |
| Package Type | SOT23-5 | - |
Key Features
- Wide Common-Mode Voltage Range: The INA198AIDBVR can operate at common-mode voltages from -16 V to +80 V, making it versatile for various applications.
- Low Error: The device offers a maximum gain error of ±0.2% at 25°C and ±1% over temperature, ensuring high accuracy in current measurements.
- High Bandwidth: With a bandwidth of up to 200 kHz, this device is suitable for applications requiring fast response times.
- High Gain Options: The INA198AIDBVR provides a gain of 100 V/V, which is one of the three transfer functions available in the INA193-INA198 family.
- Low Offset Voltage: The device features a low offset voltage of ±0.5 mV, reducing errors in measurement.
- Compact Package: The SOT23-5 package makes it ideal for space-constrained designs.
Applications
- Automotive Systems: Suitable for battery management, motor control, and other automotive applications where precise current monitoring is essential.
- Industrial Automation: Used in industrial control systems, power supplies, and motor drives where accurate current sensing is critical.
- Power Management: Ideal for power supply monitoring, battery charging systems, and other power management applications.
- Medical Devices: Can be used in medical equipment where precise current measurement is required for safety and performance.
Q & A
- What is the common-mode voltage range of the INA198AIDBVR?
The INA198AIDBVR operates at common-mode voltages from -16 V to +80 V.
- What is the gain of the INA198AIDBVR?
The gain of the INA198AIDBVR is 100 V/V.
- What is the bandwidth of the INA198AIDBVR?
The bandwidth of the INA198AIDBVR is up to 200 kHz.
- What is the offset voltage of the INA198AIDBVR?
The offset voltage of the INA198AIDBVR is ±0.5 mV.
- What is the input bias current of the INA198AIDBVR?
The input bias current of the INA198AIDBVR is ±8 μA to ±16 μA.
- What is the maximum capacitive load for the INA198AIDBVR?
The maximum capacitive load for the INA198AIDBVR is 10 nF without sustained oscillation.
- What package type is the INA198AIDBVR available in?
The INA198AIDBVR is available in a SOT23-5 package.
- What are some typical applications of the INA198AIDBVR?
The INA198AIDBVR is typically used in automotive systems, industrial automation, power management, and medical devices.
- How accurate is the gain error of the INA198AIDBVR?
The gain error of the INA198AIDBVR is ±0.2% at 25°C and ±1% over temperature.
- What is the total output error of the INA198AIDBVR?
The total output error of the INA198AIDBVR is ±0.75% at 25°C and ±2.2% over temperature.
