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INA128UA
Instrumentation amplifier offering a 700-µA current with low power consumptionINA128UA
Instrumentation amplifier offering a 700-µA current with low power consumption
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製造商零件號 # : INA128UA
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包裝/封裝: SOIC (D)-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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About After Sales Service
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管或託盤
INA128UA 數據表
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詳細說明
Additionally, for those looking for enhanced performance, the upgraded INA828 presents a lower input bias current (0.6 nA, max) and lower noise (7 nV/√Hz) at the same quiescent current, making it a compelling choice for applications requiring precision and reliability. These features, combined with Texas Instruments' reputation for quality, make the INA128UA a standout option in the field of instrumentation amplifiers
主要特徵
應用
- Low noise instrumentation
- Portable data solution
- Reliable signal amplification
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。
| Number of channels | 1 | Vs (max) (V) | 36 |
| Vs (min) (V) | 4.5 | Input offset (±) (max) (µV) | 50 |
| Voltage gain (min) (V/V) | 1 | Voltage gain (max) (V/V) | 10000 |
| Noise at 1 kHz (typ) (nV√Hz) | 8 | Features | Current Feedback, Overvoltage protection |
| CMRR (min) (dB) | 120 | Input offset drift (±) (max) (V/°C) | 0.0000005 |
| Input bias current (±) (max) (nA) | 5 | Iq (typ) (mA) | 0.7 |
| Bandwidth at min gain (typ) (MHz) | 1.3 | Gain error (±) (max) (%) | 0.5 |
| Operating temperature range (°C) | -40 to 125 | Rating | Catalog |
| Type | Resistor | Gain nonlinearity (±) (max) (%) | 0.004 |
| Output swing headroom (to negative supply) (typ) (V) | 0.8 | Output swing headroom (to positive supply) (typ) (V) | -0.9 |
| Input common mode headroom (to negative supply) (typ) (V) | 1.7 | Input common mode headroom (to positive supply) (typ) (V) | -1.4 |
| Noise at 0.1 Hz to 10 Hz (typ) (µVPP) | 0.2 |
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 INA128UA?
The INA128UA is a precision instrumentation amplifier designed by Texas Instruments. It is ideal for applications requiring precise amplification of small differential signals, such as sensor interfaces, medical instrumentation, and industrial control systems.
How Does INA128UA Work?
The INA128UA operates as an instrumentation amplifier, providing high-precision amplification of differential input signals. It includes precision-matched resistors for accurate gain setting and common-mode rejection. The amplifier is designed to minimize errors and noise in applications where signal integrity is critical.
How Many Pins does INA128UA have and What are the Functions of the Pinout Configuration?
The INA128UA is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VS: Supply voltage pin.
- REF: Reference voltage pin.
- RG: Gain setting resistor pin.
- IN-: Inverting input pin.
- IN+: Non-inverting input pin.
- OUT: Output pin.
What are the Pros and Cons of INA128UA?
Pros:
- Precision Amplification: Provides high-precision amplification of small signals.
- High Common-Mode Rejection: Ensures accurate amplification in the presence of common-mode signals.
- Low Noise: Minimizes noise for improved signal integrity.
- Flexible Gain Configuration: Allows for easy setting of gain levels to suit different applications.
- Robust Design: Designed for reliable performance in demanding environments.
Cons:
- Cost: Precision instrumentation amplifiers like the INA128UA may have a higher cost compared to simpler amplifiers.
- Complexity: Requires understanding of instrumentation amplifier concepts for optimal use.
- External Components: May need additional components for specific circuit configurations.
Are There Any Equivalents/Alternatives to INA128UA for Recommendation?
- The AD620 from Analog Devices is a comparable precision instrumentation amplifier.
- Alternatives to the INA128UA include the LTC6910 from Linear Technology and the MAX4209 from Maxim Integrated.
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