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INA240A1PW
+BOM-
제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #INA240A1PW
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재고2816
365 1일 품질 보증
7*24 영업 시간 서비스 보증
90-판매 후 1일 보증
정품 보증
사양
| 속성 | 가치 |
| Package | Tube |
| 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-TSSOP (0.173, 4.40mm Width) |
개요
Description
Key features include:
- Wide supply voltage range from 2.7V to 5.5V.
- Low offset voltage and high common-mode rejection ratio (CMRR), making it suitable for high-precision measurements.
- The device offers a fixed gain of 20V/V, 50V/V, 100V/V, or 200V/V, depending on the specific variant.
- High bandwidth, allowing for fast transient response.
- The ability to handle common-mode voltages ranging from -4V to +80V.
- Enhanced PWM rejection for improved performance in systems with pulse-width modulation signals.
The INA240A1PW is housed in a compact TSSOP package, making it suitable for space-constrained applications. Its high accuracy and robustness make it ideal for use in demanding environments.
Equivalent
1. MAX40056 by Maxim Integrated: A high-precision, bidirectional current-sense amplifier.
2. LT1999-10 by Analog Devices: A precision current sense amplifier.
3. MCP6C02 by Microchip Technology: A low-drift, zero-drift current sense amplifier.
When selecting an equivalent, ensure that the specifications such as gain, bandwidth, and supply voltage match your requirements.
Features
1. High Accuracy: Offers precision with a low offset voltage and drift, ensuring accurate current measurements over a wide temperature range.
2. Wide Common-Mode Voltage Range: Operates effectively from –4V to +80V, making it versatile for different power systems.
3. Robust Performance: Features enhanced PWM rejection to mitigate the effects of pulse-width modulation, improving measurement accuracy in motor drive and switched-mode power supply applications.
4. Gain Options: Available with fixed gain options to suit different amplification requirements (A1 version typically offers a gain of 20 V/V).
5. Bidirectional Current Sensing: Capable of sensing bidirectional current flow, enhancing its utility in complex circuits.
6. Low Input Bias Current: This minimizes error, especially in applications with high source resistance.
These features make the INA240A1PW suitable for automotive, industrial, and consumer electronic applications where precise current monitoring is essential.
Pinout
1. Current Sensing: It amplifies the voltage across a shunt resistor to measure current.
2. Enhanced PWM Rejection: Reduces errors in environments with pulse-width modulation.
3. Bidirectional Current Measurement: Capable of sensing current flow in both directions.
4. Wide Common-Mode Voltage Range: Operates effectively over a common-mode range of –4 V to +80 V.
5. Low Offset Voltage: Ensures accurate low-level current measurements.
6. High Bandwidth: Suitable for high-speed current sensing applications.
The 14 pins of the INA240A1PW typically include power supply, ground, input pins for connecting to the shunt resistor, output pin for the amplified signal, and additional pins for functionalities like reference voltage adjustment. For detailed pin assignments and specific electrical characteristics, consulting the datasheet from the manufacturer is recommended.
Manufacturer
Application
1. Motor Control Systems: For precise current monitoring in motor drives.
2. Battery Management Systems: Ensures accurate state-of-charge calculations.
3. Power Supply and DC-DC Converters: Monitors load current for efficiency and safety.
4. Solar Inverters: Helps in managing power conversion efficiency.
5. Electric Vehicles (EVs): Used in managing battery and powertrain efficiency.
6. Industrial Automation: Provides current sensing in various control systems.
7. Telecommunications Equipment: Ensures power integrity in network infrastructure.
These applications benefit from the INA240A1PW's high accuracy, low offset, and robust performance in high-voltage environments.