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INA240A2PW
-4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection 8-TSSOP -40 to 125
INA240A2PW
-4 to 80V, bidirectional, ultra-precise current sense amplifier with enhanced PWM rejection 8-TSSOP -40 to 125
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製造商零件號 # : INA240A2PW
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包裝/封裝: TSSOP-8
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製造商: Texas Instruments
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產品分類 : Instrumentation, OP Amps, Buffer Amps
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INA240A2PW 數據表
目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
The INA240A2PW is a top-of-the-line current-sensing amplifier that offers unparalleled precision and reliability. With a voltage output and bi-directional current measurement capabilities, this device is perfect for a wide range of applications, from motor control to battery monitoring. Its operating range of 2.7V to 5.5V allows for flexibility in power supply options, while its ability to measure current from -200mA to 200mA ensures accurate results in various scenarios
主要特徵
- Superior Linearity
- Excellent Dynamic Range:
- 100 dB (Minimum)
- 80 dB at 1 kHz
應用
- Compact sensor solutions
- Reliable circuit protection
- Advanced energy monitoring
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Active | Reach Compliance Code | compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.33.00.01 |
| Date Of Intro | 2016-11-02 | Analog IC - Other Type | ANALOG CIRCUIT |
| JESD-30 Code | R-PDSO-G8 | JESD-609 Code | e4 |
| Length | 4.4 mm | Moisture Sensitivity Level | 2 |
| Number of Channels | 1 | Number of Functions | 1 |
| Number of Terminals | 8 | Operating Temperature-Max | 125 °C |
| Operating Temperature-Min | -40 °C | Package Body Material | PLASTIC/EPOXY |
| Package Code | TSSOP | Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | Peak Reflow Temperature (Cel) | 260 |
| Seated Height-Max | 1.2 mm | Supply Voltage-Max (Vsup) | 5.5 V |
| Supply Voltage-Min (Vsup) | 2.7 V | Supply Voltage-Nom (Vsup) | 5 V |
| Surface Mount ! | YES | Temperature Grade ! | AUTOMOTIVE |
| Terminal Finish | NICKEL PALLADIUM GOLD | Terminal Form ! | GULL WING |
| Terminal Pitch ! | 0.65 mm | Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | Width | 3 mm |
Specification Comparison
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is INA240A2PW?
The INA240A2PW is a precision, bidirectional current-sense amplifier designed by Texas Instruments. It is designed for high-accuracy current measurements in industrial, automotive, and power management applications.
How Does INA240A2PW Work?
The INA240A2PW works by accurately measuring the voltage across a shunt resistor in series with the load, thereby indirectly measuring the load current. It leverages a high-precision amplifier to amplify the small voltage drop across the shunt resistor and provides a corresponding output voltage proportional to the load current.
How Many Pins does INA240A2PW have and What are the Functions of the Pinout Configuration?
The INA240A2PW is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- VS+: Positive supply voltage pin.
- VS-: Negative supply voltage pin.
- OUT: Amplified output voltage pin.
- V+: Positive input voltage for driving the load.
- V-: Negative input voltage for driving the load.
- REFOUT: Reference output pin for driving the load.
- SHTC: Shunt voltage input pin for connecting the shunt resistor.
- VREF: Reference input pin for the voltage reference.
What are the Pros and Cons of INA240A2PW?
Pros:
- High Accuracy: Provides precise current measurements for critical applications.
- Bidirectional Sensing: Measures current flow in both directions, allowing for versatile applications.
- Wide Common-Mode Voltage Range: Supports measurements in systems with varying voltage levels.
- Flexible Supply Voltage: Operates with a wide supply voltage range for compatibility with different systems.
Cons:
- External Components: May require additional external components for specific configurations or performance enhancements.
- Complex Calibration: Requires careful calibration for optimal accuracy in measurement applications.
Are There Any Equivalents/Alternatives to INA240A2PW for Recommendation?
- The INA139 from Texas Instruments offers similar bidirectional current-sensing functionality.
- Alternatives to the INA240A2PW include the ACS722 from Allegro MicroSystems and the MAX9939 from Maxim Integrated.
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