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Texas Instruments Current Monitor Single 5-Pin SOT-23 INA139NA/250
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 1.15mm |
| Length | 2.9mm |
| Model | INA139NA/250 |
| Mount Type | Surface |
| Series | INA139NA |
| Maximum Operating Temperature | 85°C |
| Package Type | SOT-23 |
| Minimum Operating Temperature | -40°C |
| Number Of Channels | 1 |
| Pin Count | 5 |
| Automotive Standard | AEC-Q100 |
| Maximum Supply Voltage | 40V |
| Minimum Supply Voltage | 2.7V |
| Supply Current | 10mA |
| GBP - Gain Bandwidth Product | 440kHz |
| CMRR - Common Mode Rejection Ratio | 100dB |
Key Features
- Operates with a single power supply voltage range of 2.7V to 40V.
- Features a common mode rejection ratio (CMRR) of 100dB for noise reduction.
- Consumes a low supply current of 10mA for efficiency.
- Compact surface mount SOT-23 package with 5 pins ensures easy PCB integration.
- Wide operating temperature range from -40°C to 85°C for reliable performance.
- Gain bandwidth product of 440kHz suitable for fast signal processing.
- Complies with the automotive standard AEC-Q100 for quality assurance.
- Ideal for real-time current and power measurement to protect systems and enable high accuracy monitoring.
Product Description
Texas Instruments INA139NA/250 is a high-precision current sensing amplifier enclosed in a compact 5-pin SOT-23 surface mount package. Designed to provide an analog output voltage proportional to the voltage drop across a low-value resistor, it enables accurate current measurement in high-current power rails.
This Current Monitor operates efficiently with a single supply voltage from 2.7V to 40V and features a high common mode rejection ratio of 100dB to minimize noise interference in sensitive applications. The low power consumption of 10mA makes it ideal for energy-conscious designs.
The amplifier boasts a gain bandwidth product of 440kHz, enabling rapid response and accurate feedback control in real-time system protection and monitoring.
Its operating temperature range from -40°C to 85°C and compliance with the automotive AEC-Q100 standard ensure robust performance even in harsh environments. The compact size, with dimensions 2.9mm length and 1.15mm height, facilitates integration into space-constrained circuit boards.
Single power supply operation between 2.7V and 40V. High common mode rejection ratio of 100dB to reduce noise. Low supply current of 10mA for energy efficiency. Compact surface mount SOT-23 package with 5 pins. Wide temperature range (-40°C to 85°C) for rugged applications.
Gain bandwidth product of 440kHz for fast response. Automotive compliant with AEC-Q100 standard. Accurate current sensing for system protection and monitoring.
Texas Instruments current sensing amplifiers like the INA139NA/250 are widely used in industrial, automotive, HVAC, and instrumentation applications to enhance safety, control, and measurement accuracy in electrical systems.
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Frequently Asked Questions
This model operates with a single power supply voltage range of 2.7V to 40V.
It features a common mode rejection ratio (CMRR) of 100dB, which helps reduce noise interference.
The current monitor consumes a low supply current of 10mA, making it efficient for energy-conscious designs.
The gain bandwidth product of the INA139NA/250 is 440kHz, suitable for fast signal processing applications.
This unit has a length of 2.9mm and a height of 1.15mm, facilitating easy integration into compact circuit boards.
It operates effectively within a temperature range of -40°C to 85°C, ensuring reliable performance in various environments.
Yes, it complies with the automotive standard AEC-Q100 for quality assurance in automotive applications.
This model has a single channel, designed for accurate current measurement.
It utilizes a surface mount type, which is suitable for PCB integration.
This current monitor is widely used in industrial, automotive, HVAC, and instrumentation applications for current and power measurement.
The low supply current of 10mA contributes to energy efficiency, making it suitable for designs where power consumption is a concern.
It provides an analog output voltage that is proportional to the voltage drop across a low-value resistor, allowing for accurate current measurement.
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