Overview
The INA193AIDBVR is a current shunt monitor produced by Texas Instruments, part of the INA193-INA198 family. This device is 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 available in a space-saving SOT-23 package. The INA193AIDBVR is characterized by its high bandwidth, low error, and versatility in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Common-Mode Voltage Range | -16 to +80 | V |
| Supply Voltage Range | +2.7 to +18 | V |
| Quiescent Current | 900 | μA |
| Operating Temperature Range | -40 to +125 | °C |
| Bandwidth | Up to 500 | kHz |
| Output Voltage Scales | 20 V/V, 50 V/V, 100 V/V | |
| Offset Voltage, RTI | ±0.5 mV | |
| Gain Error | ±0.2% to ±1% | |
| Total Output Error | ±0.75% to ±2.2% | |
| Nonlinearity Error | ±0.002% to ±0.1% | |
| Output Impedance | 1.5 Ω | |
| Maximum Capacitive Load | 10 nF |
Key Features
- Wide Common-Mode Voltage Range: The INA193AIDBVR can sense voltage drops across shunts at common-mode voltages from -16 V to +80 V, independent of the supply voltage.
- High Bandwidth: With a bandwidth of up to 500 kHz, this device simplifies use in current control loops.
- Low Error: The device features low offset voltage and gain error, ensuring high accuracy in current sensing.
- Multiple Output Voltage Scales: Available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V.
- Low Quiescent Current: Operates with a maximum quiescent current of 900 μA.
- Extended Operating Temperature Range: Specified over the range of -40°C to +125°C.
- Space-Saving Package: Offered in a SOT-23 package.
Applications
- Welding Equipment: Suitable for monitoring high currents in welding applications.
- Notebook Computers and Cell Phones: Used in power management and battery charging circuits.
- Telecom Equipment: Employed for current sensing in telecommunications hardware.
- Automotive Systems: Applied in automotive electronics for current monitoring.
- Power Management and Battery Chargers: Ideal for monitoring and controlling current in power management systems and battery chargers.
Q & A
- What is the common-mode voltage range of the INA193AIDBVR?
The INA193AIDBVR can sense voltage drops across shunts at common-mode voltages from -16 V to +80 V.
- What is the supply voltage range for the INA193AIDBVR?
The device operates from a single +2.7-V to +18-V supply.
- What is the maximum quiescent current of the INA193AIDBVR?
The maximum quiescent current is 900 μA.
- What are the available output voltage scales for the INA193AIDBVR?
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 INA193AIDBVR?
The bandwidth is up to 500 kHz.
- What is the operating temperature range of the INA193AIDBVR?
The device is specified over the range of -40°C to +125°C.
- In what package is the INA193AIDBVR offered?
The device is offered in a SOT-23 package.
- What are some typical applications of the INA193AIDBVR?
Typical applications include welding equipment, notebook computers, cell phones, telecom equipment, automotive systems, and power management and battery chargers.
- How does the INA193AIDBVR handle high common-mode voltages?
The device can sense voltage drops across shunts at high common-mode voltages from -16 V to +80 V, independent of the supply voltage.
- What is the maximum capacitive load for the INA193AIDBVR?
The maximum capacitive load is 10 nF.
