Overview
The INA197AIDBVR is a high-performance current shunt monitor from Texas Instruments, designed to sense voltage drops across shunts at common-mode voltages ranging from -16 V to +80 V. This device is part of the INA193-INA198 family and is particularly useful in applications requiring precise current measurement. It operates from a single +2.7-V to +18-V supply and is housed in a compact SOT-23-5 package, making it ideal for space-constrained designs. The INA197AIDBVR is specified over an extended operating temperature range of -40°C to +125°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Common-Mode Input Range | -16 to +80 | V |
| Supply Voltage Range | 2.7 to 18 | V |
| Gain | 50 | V/V |
| Bandwidth | 300 kHz | |
| Offset Voltage, RTI | ±0.5 to ±2 | mV |
| Common-Mode Rejection Ratio (CMRR) | 80 to 120 dB | |
| Input Bias Current | ±8 to ±16 | μA |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | SOT-23-5 | |
| Output Impedance | 1.5 Ω |
Key Features
- High common-mode voltage range: -16 V to +80 V, allowing for use in a wide range of applications.
- High gain accuracy: The INA197AIDBVR has a gain of 50 V/V, ensuring precise current measurements.
- Low offset voltage: ±0.5 to ±2 mV, reducing errors in current sensing.
- High common-mode rejection ratio (CMRR): Up to 120 dB, providing excellent noise rejection.
- Compact SOT-23-5 package: Ideal for space-constrained designs.
- Wide operating temperature range: -40°C to +125°C, suitable for various environmental conditions.
- Low power consumption: Maximum supply current of 900 μA.
Applications
- Automotive systems: For monitoring battery current, starter motor current, and other high-current applications.
- Industrial control systems: To measure current in motor drives, power supplies, and other industrial equipment.
- Power management systems: For monitoring and controlling current in power supplies, battery management systems, and DC-DC converters.
- Aerospace and defense: In applications requiring high reliability and precision current measurement.
Q & A
- What is the common-mode input range of the INA197AIDBVR? The common-mode input range is from -16 V to +80 V.
- What is the gain of the INA197AIDBVR? The gain is 50 V/V.
- What is the operating temperature range of the INA197AIDBVR? The operating temperature range is from -40°C to +125°C.
- What is the package type of the INA197AIDBVR? The package type is SOT-23-5.
- What is the maximum supply current of the INA197AIDBVR? The maximum supply current is 900 μA.
- What is the bandwidth of the INA197AIDBVR? The bandwidth is 300 kHz.
- Is the INA197AIDBVR RoHS compliant? Yes, the INA197AIDBVR is RoHS compliant.
- What is the typical offset voltage of the INA197AIDBVR? The typical offset voltage is ±0.5 to ±2 mV.
- What is the common-mode rejection ratio (CMRR) of the INA197AIDBVR? The CMRR is up to 120 dB.
- In what types of applications is the INA197AIDBVR commonly used? It is commonly used in automotive, industrial control, power management, and aerospace applications.
