Overview
The INA139NA/3K is a high-side, unipolar current shunt monitor produced by Texas Instruments. This device is designed for high-speed, low-quiescent current applications and is packaged in a 5-pin SOT-23 (DBV) package. The INA139NA/3K operates over a wide supply and common-mode voltage range, making it versatile for various measurement and level-shifting applications.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 2.7 V to 36 V |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | SOT-23 (DBV), 5 pins |
| Quiescent Current | 60 µA (Typical) |
| Bandwidth | 440 kHz |
| Gain Setting | Single Resistor Gain Set |
Key Features
- Complete Unipolar High-Side Current Measurement Circuit
- Wide Supply and Common-Mode Voltage Range
- Independent Supply and Input Common-Mode Voltages
- Single Resistor Gain Set
- Low Quiescent Current: 60 µA (Typical)
- Compact 5-Pin SOT-23 Package
Applications
The INA139NA/3K is suitable for a variety of applications, including:
- High-Side Current Shunt Monitoring
- Measurement and Level Shifting Circuits
- Automotive and Industrial Systems
- Battery Management Systems
- Power Supply and Power Management Applications
Q & A
- What is the supply voltage range of the INA139NA/3K?
The supply voltage range of the INA139NA/3K is from 2.7 V to 36 V.
- What is the operating temperature range of the INA139NA/3K?
The operating temperature range is from -40°C to 125°C.
- What type of package does the INA139NA/3K come in?
The INA139NA/3K comes in a 5-pin SOT-23 (DBV) package.
- What is the typical quiescent current of the INA139NA/3K?
The typical quiescent current is 60 µA).
- How is the gain set in the INA139NA/3K?
The gain is set using a single external resistor).
- What are some common applications of the INA139NA/3K?
Common applications include high-side current shunt monitoring, measurement and level shifting circuits, automotive and industrial systems, battery management systems, and power supply and power management applications).
- What is the bandwidth of the INA139NA/3K?
The bandwidth of the INA139NA/3K is 440 kHz).
- Is the INA139NA/3K suitable for high-speed applications?
Yes, the INA139NA/3K is designed for high-speed applications).
- Can the INA139NA/3K operate with independent supply and input common-mode voltages?
Yes, the INA139NA/3K allows for independent supply and input common-mode voltages).
- Where can I find detailed specifications and datasheets for the INA139NA/3K?
Detailed specifications and datasheets can be found on the Texas Instruments website and other electronic component databases such as TME, LCSC, and AllDataSheet).
