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INA181A3IDBVR
+BOM-
メーカーSTマイクロエレクトロニクス
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メーカー品番 #INA181A3IDBVR
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在庫状況4852
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | Current Sense |
| NumberofCircuits | 1 |
| OutputType | Rail-to-Rail |
| SlewRate | 2V/µs |
| -3dbBandwidth | 350 kHz |
| Current-Supply | 260µA |
| Voltage-SupplySpan(Min) | 2.7 V |
| Voltage-SupplySpan(Max) | 5.5 V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 |
概要
Description
Key features include:
- Wide Input Common-Mode Range: Operates from –0.2 V to +26 V, independent of supply voltage, making it versatile for various applications.
- Supply Voltage: Operates between 2.7 V and 5.5 V.
- Low Offset Voltage: Ensures precision in measurements.
- Gain Options: Provides multiple gain options; the A3 version specifically offers a gain of 50 V/V.
- Bandwidth: Provides adequate bandwidth for many applications.
- Low Quiescent Current: Helps in reducing overall power consumption.
- Protection: Built-in protection against reverse polarity.
The INA181A3IDBVR is commonly used in applications such as battery management systems, power management, motor control, and other systems requiring accurate current monitoring. Its design aims to facilitate easy integration into existing circuits, ensuring reliable and efficient operation.
Equivalent
1. MAX4073
2. ZXCT1009
3. MCP6H01
4. ACS712
5. LT1999
Ensure compatibility by checking the specifications such as supply voltage, gain, bandwidth, and package.
Features
1. Supply Voltage Range: It operates from a 2.7 V to 5.5 V supply voltage, making it suitable for use in a variety of circuits.
2. Input Common-Mode Range: The device can handle input common-mode voltages from -0.2 V to +26 V, allowing it to be used in high-side or low-side current sensing applications.
3. Gain Options: The amplifier offers a fixed gain of 200 V/V, which allows for precise current measurements.
4. Bandwidth: It provides a bandwidth of 350 kHz, suitable for a wide range of sensing applications.
5. Low Offset Voltage: It features a low offset voltage, which contributes to its precision in current sensing.
6. Package: The INA181A3IDBVR is available in a small SOT-23 package, facilitating compact circuit design.
These features make the INA181A3IDBVR ideal for use in battery-powered devices, automotive applications, and industrial systems where accurate current measurement is critical.
Pinout
The pin configuration is as follows:
1. V+: Power supply input.
2. IN+: Non-inverting input, connected to the high side of the shunt resistor.
3. IN-: Inverting input, connected to the low side of the shunt resistor.
4. REF: Reference voltage input, which sets the zero-current output voltage.
5. OUT: Output voltage, which is proportional to the differential input voltage across IN+ and IN-.
6. GND: Ground.
This amplifier is part of a family that offers different gain options, and the "A3" designation indicates a specific gain version. The INA181 is widely used in power management and motor control applications.
Manufacturer
Application
1. Battery Management Systems: Monitoring charge and discharge currents.
2. Power Management: Current monitoring in power supply and distribution lines.
3. Motor Control: Overcurrent protection and control in motor drives.
4. Industrial Automation: Sensing currents in automation equipment and systems.
5. Consumer Electronics: Battery-powered devices for power monitoring.
6. Automotive Systems: Applications like electric power steering and infotainment systems where accurate current sensing is critical.
The amplifier's high precision, low offset voltage, and wide operating voltage range make it suitable for these and other applications requiring accurate current measurements.