Overview
The INA193AIDBVT, produced by Texas Instruments, is a high-performance current shunt monitor with a voltage output. This device is part of the INA193-INA198 family, designed to sense voltage drops across shunts at common-mode voltages ranging from -16 V to +80 V, independent of the supply voltage. It operates from a single 2.7-V to 18-V supply and is specified over an extended operating temperature range of -40°C to +125°C. The INA193AIDBVT is packaged in a space-saving SOT-23 (DBV) package with 5 pins, making it suitable for a variety of applications requiring precise current sensing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2.7 to 18 | V |
| Common-Mode Input Voltage | -16 to +80 | V |
| Bandwidth | Up to 500 kHz | |
| Transfer Functions | 20 V/V, 50 V/V, 100 V/V | |
| Quiescent Current | 900 μA (maximum) | μA |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | SOT-23 (DBV) | |
| Pins | 5 | |
| Gain Error | ±0.2% (at 25°C), ±2% (over temperature) | % |
| Output Impedance | 1.5 Ω (maximum) | Ω |
| Voltage Noise Density | 40 nV/√Hz | nV/√Hz |
Key Features
- Wide Common-Mode Voltage Range: -16 V to +80 V, allowing for operation in a wide range of applications.
- Low Error: Maximum gain error of 3.0% over temperature, ensuring high accuracy in current measurements.
- High Bandwidth: Up to 500 kHz, which simplifies use in current control loops.
- Multiple Transfer Functions: Available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V.
- Low Quiescent Current: Maximum of 900 μA, making it power-efficient.
- Compact Packaging: Space-saving SOT-23 (DBV) package with 5 pins.
Applications
- Welding Equipment: For precise current monitoring in welding applications.
- Notebook Computers: For power management and current sensing.
- Cell Phones: For battery management and power monitoring.
- Telecom Equipment: For current sensing in telecommunications devices.
- Automotive: For various automotive applications requiring current monitoring.
- Power Management: For efficient power management in various systems.
- Battery Chargers: For accurate current sensing in battery charging systems.
Q & A
- What is the common-mode voltage range of the INA193AIDBVT?
The INA193AIDBVT can operate at common-mode voltages from -16 V to +80 V. - What are the available transfer functions for the INA193AIDBVT?
The device is available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V. - What is the bandwidth of the INA193AIDBVT?
The bandwidth of the INA193AIDBVT is up to 500 kHz. - What is the maximum quiescent current of the INA193AIDBVT?
The maximum quiescent current is 900 μA. - What is the operating temperature range of the INA193AIDBVT?
The device operates over a temperature range of -40°C to +125°C. - In what package is the INA193AIDBVT available?
The INA193AIDBVT is available in a SOT-23 (DBV) package with 5 pins. - What are some typical applications of the INA193AIDBVT?
Typical applications include welding equipment, notebook computers, cell phones, telecom equipment, automotive systems, power management, and battery chargers. - How accurate is the gain of the INA193AIDBVT?
The gain error is ±0.2% at 25°C and ±2% over temperature. - What is the output impedance of the INA193AIDBVT?
The output impedance is 1.5 Ω (maximum). - What is the voltage noise density of the INA193AIDBVT?
The voltage noise density is 40 nV/√Hz.
