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INA240A3DR
+BOM-
ManufacturerTexas Instruments
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Mfr. Part #INA240A3DR
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In Stock6799
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | Current Sense |
| NumberofCircuits | 1 |
| SlewRate | 2V/µs |
| -3dbBandwidth | 400 kHz |
| Current-InputBias | 90 µA |
| Voltage-InputOffset | 5 µV |
| Current-Supply | 1.8mA |
| Voltage-SupplySpan(Min) | 2.7 V |
| Voltage-SupplySpan(Max) | 5.5 V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
Key features include enhanced PWM rejection, which minimizes errors during high-frequency switching, and a wide operating voltage range from -4V to +80V, making it suitable for various industrial and automotive applications. The INA240A3DR operates over a temperature range of -40°C to +125°C, ensuring reliability under harsh conditions.
The device comes in an SOIC-8 package, facilitating easy integration into circuit designs. Its precision and robustness make it ideal for use in motor control systems, battery monitoring, and other applications requiring efficient current monitoring. With low offset voltage and drift, the INA240A3DR can deliver accurate performance in demanding environments.
Equivalent
1. MAX44284: Low-side current sense amplifier from Maxim Integrated.
2. LT6100: Precision current sense amplifier from Analog Devices.
3. LTC6102: High voltage current sense amplifier from Analog Devices.
4. AD8418: High precision current sense amplifier from Analog Devices.
5. CSM3636: High-side current sense amplifier from AMS.
Always verify compatibility with your requirements, such as gain, bandwidth, and operating voltage.
Features
The amplifier provides excellent accuracy with a maximum offset voltage of ±25 µV and a gain error of 0.2%. It also boasts a low input bias current of 15 µA, which helps minimize errors due to current leakage. The INA240A3DR is available in a small SOIC-8 package, making it convenient for space-constrained applications. Its robust design ensures reliable performance in harsh environments, making it suitable for automotive, industrial, and consumer electronics applications.
Pinout
Here is a concise overview of its pin functions:
1. IN+: Non-inverting input of the differential amplifier. Connects to the high side of the shunt resistor.
2. IN-: Inverting input of the differential amplifier. Connects to the low side of the shunt resistor.
3. REF1: Reference voltage input 1. Used to set the output reference voltage.
4. REF2: Reference voltage input 2. Used for setting the output reference voltage, can be tied to REF1 for single-ended reference.
5. GND: Ground pin.
6. OUT: Output voltage pin. Provides the amplified current-sense voltage.
7. VS: Power supply input. Requires a supply voltage between 2.7 V and 5.5 V.
8. NC (No Connect): Typically left unconnected to maintain isolation or balance within the internal circuitry.
The INA240A3DR excels in high-precision applications due to its excellent common-mode rejection and high bandwidth.
Manufacturer
TI is well-known for its innovation in analog technology, making it a leader in the development of microcontrollers, digital signal processors (DSPs), and other semiconductor solutions. The company focuses on creating products that improve the performance and efficiency of electronic devices while reducing their energy consumption. With a strong emphasis on research and development, Texas Instruments continues to push the boundaries of semiconductor technology to meet the evolving needs of its customers around the world.