Overview
The INA197AIDBVT from Texas Instruments is a high-performance current shunt monitor designed for accurate current sensing in a wide range of applications. This device operates from a single supply voltage of 2.7 V to 18 V and is capable of sensing drops across shunts at common-mode voltages from -16 V to +80 V. The INA197AIDBVT is part of the INA193-INA198 family, which offers various gain options to suit different application requirements.
The device is housed in a compact SOT-23-5 package, making it ideal for space-constrained designs. It is specified over an extended operating temperature range of -40°C to +125°C, ensuring reliability in harsh environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2.7 to 18 | V |
| Common-Mode Input Range | -16 to 80 | V |
| Gain | 50 V/V | |
| Bandwidth | 500 kHz | |
| Common-Mode Rejection Ratio (CMRR) | 80 dB (min) | |
| Offset Voltage, RTI | ±0.5 to 2 mV | |
| Input Bias Current, VIN- pin | ±8 to 16 μA | |
| Output Impedance | 1.5 Ω | |
| Maximum Capacitive Load | 10 nF (no sustained oscillation) | |
| Package Type | SOT-23-5 | |
| Pin Count | 5 | |
| Dimensions | 2.9 x 1.6 x 1.15 mm | |
| Operating Temperature Range | -40°C to +125°C |
Key Features
- High accuracy current sensing with a gain of 50 V/V.
- Wide common-mode input range of -16 V to +80 V.
- High bandwidth of 500 kHz.
- Excellent common-mode rejection ratio (CMRR) of 80 dB minimum.
- Low offset voltage and high linearity.
- Single supply operation from 2.7 V to 18 V.
- Compact SOT-23-5 package for space-saving designs.
- Extended operating temperature range of -40°C to +125°C.
Applications
- Real-time system protection and monitoring.
- Feedback control systems.
- High-accuracy current and power measurement.
- Automotive systems.
- Industrial control and automation.
- Power supplies and DC-DC converters.
Q & A
- What is the common-mode input range of the INA197AIDBVT?
The common-mode input range is from -16 V to +80 V.
- What is the gain of the INA197AIDBVT?
The gain of the INA197AIDBVT is 50 V/V.
- What is the bandwidth of the INA197AIDBVT?
The bandwidth is 500 kHz.
- What is the typical supply voltage range for the INA197AIDBVT?
The typical supply voltage range is from 2.7 V to 18 V.
- What is the operating temperature range of the INA197AIDBVT?
The operating temperature range is from -40°C to +125°C.
- What package type is the INA197AIDBVT available in?
The INA197AIDBVT is available in a SOT-23-5 package.
- What is the common-mode rejection ratio (CMRR) of the INA197AIDBVT?
The minimum CMRR is 80 dB.
- What are some typical applications of the INA197AIDBVT?
Typical applications include real-time system protection, feedback control, high-accuracy current and power measurement, automotive systems, and industrial control and automation.
- What is the output impedance of the INA197AIDBVT?
The output impedance is 1.5 Ω.
- What is the maximum capacitive load for the INA197AIDBVT?
The maximum capacitive load is 10 nF without sustained oscillation.
