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規格
| 屬性 | 價值 |
| Package | Bulk,Tube |
| Series | Difet® |
| ProductStatus | Obsolete |
| AmplifierType | General Purpose |
| NumberofCircuits | 1 |
| SlewRate | 2.5V/µs |
| GainBandwidthProduct | 1 MHz |
| Current-InputBias | 0.03 pA |
| Voltage-InputOffset | 500 µV |
| Current-Supply | 1.2mA |
| Current-Output/Channel | 10 mA |
| Voltage-SupplySpan(Min) | 10 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The OPA129UB is a precision operational amplifier known for its ultra-low bias current and low noise, making it ideal for applications requiring high accuracy and stability. It operates with a JFET input stage, which contributes to its low input bias current, typically in the femtoamp range. This feature is particularly useful in applications such as electrometers, photodiode amplifiers, and charge integrators where minimal current leakage is crucial.
With a wide supply voltage range, typically from ±5V to ±15V, the OPA129UB can be used in various circuit configurations. It offers a high open-loop gain and a low offset voltage, contributing to its precision performance. The amplifier also features a low input offset drift, ensuring consistent performance over temperature variations.
Packaged in a standard DIP or SOIC form, the OPA129UB is designed for ease of use in both prototyping and production environments. Its combination of low bias current, precision, and stability makes it a versatile choice for a wide range of demanding analog signal processing applications.
With a wide supply voltage range, typically from ±5V to ±15V, the OPA129UB can be used in various circuit configurations. It offers a high open-loop gain and a low offset voltage, contributing to its precision performance. The amplifier also features a low input offset drift, ensuring consistent performance over temperature variations.
Packaged in a standard DIP or SOIC form, the OPA129UB is designed for ease of use in both prototyping and production environments. Its combination of low bias current, precision, and stability makes it a versatile choice for a wide range of demanding analog signal processing applications.
Equivalent
The OPA129UB is a precision operational amplifier known for its ultra-low input bias current. Equivalent products include:
1. LMC6001 by Texas Instruments: Offers similar low input bias current characteristics.
2. AD549 by Analog Devices: Known for low input bias current and high precision.
3. MAX4238/MAX4239 by Maxim Integrated: Feature ultra-low bias currents and low offset voltages.
Ensure compatibility in parameters like supply voltage and package type when selecting an alternative.
1. LMC6001 by Texas Instruments: Offers similar low input bias current characteristics.
2. AD549 by Analog Devices: Known for low input bias current and high precision.
3. MAX4238/MAX4239 by Maxim Integrated: Feature ultra-low bias currents and low offset voltages.
Ensure compatibility in parameters like supply voltage and package type when selecting an alternative.
Features
The OPA129UB is a precision operational amplifier known for its extremely low input bias current and high input impedance. Key features include:
1. Ultra-Low Input Bias Current: The amplifier offers a typical input bias current of just 100 fA, making it highly suitable for applications requiring extreme precision, such as electrometers and photodiode amplifiers.
2. High Input Impedance: It boasts an input impedance of greater than 10^15 ohms, which minimizes loading effects in sensitive measurement applications.
3. Low Offset Voltage: The typical offset voltage is around 0.5 mV, contributing to precise performance.
4. Wide Supply Range: It operates over a wide supply voltage range, typically from ±4 V to ±18 V, providing flexibility for various applications.
5. Low Noise: The OPA129UB has low voltage and current noise, which is essential for maintaining signal integrity in low-level signal applications.
6. Wide Temperature Range: It is designed to function properly over a wide temperature range, typically from -40°C to 85°C, ensuring reliability under various environmental conditions.
These features make the OPA129UB ideal for precision instrumentation, medical equipment, and other high-precision measurement applications.
1. Ultra-Low Input Bias Current: The amplifier offers a typical input bias current of just 100 fA, making it highly suitable for applications requiring extreme precision, such as electrometers and photodiode amplifiers.
2. High Input Impedance: It boasts an input impedance of greater than 10^15 ohms, which minimizes loading effects in sensitive measurement applications.
3. Low Offset Voltage: The typical offset voltage is around 0.5 mV, contributing to precise performance.
4. Wide Supply Range: It operates over a wide supply voltage range, typically from ±4 V to ±18 V, providing flexibility for various applications.
5. Low Noise: The OPA129UB has low voltage and current noise, which is essential for maintaining signal integrity in low-level signal applications.
6. Wide Temperature Range: It is designed to function properly over a wide temperature range, typically from -40°C to 85°C, ensuring reliability under various environmental conditions.
These features make the OPA129UB ideal for precision instrumentation, medical equipment, and other high-precision measurement applications.
Pinout
The OPA129UB is an ultra-low bias current operational amplifier commonly used in applications requiring high input impedance and low input bias current. It is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. Pin 1 (NC - No Connection): Typically not connected internally; used for mechanical support.
2. Pin 2 (Inverting Input - IN-): The input where the inverting signal is applied.
3. Pin 3 (Non-Inverting Input - IN+): The input where the non-inverting signal is applied.
4. Pin 4 (V-): The negative power supply voltage pin.
5. Pin 5 (Offset Null): Used for offset voltage nulling.
6. Pin 6 (Output): The output terminal of the op-amp.
7. Pin 7 (V+): The positive power supply voltage pin.
8. Pin 8 (Offset Null): Used along with Pin 5 for offset voltage adjustment.
These pins allow the OPA129UB to perform precision amplification tasks with extremely low input bias current, making it suitable for sensitive instrumentation applications.
1. Pin 1 (NC - No Connection): Typically not connected internally; used for mechanical support.
2. Pin 2 (Inverting Input - IN-): The input where the inverting signal is applied.
3. Pin 3 (Non-Inverting Input - IN+): The input where the non-inverting signal is applied.
4. Pin 4 (V-): The negative power supply voltage pin.
5. Pin 5 (Offset Null): Used for offset voltage nulling.
6. Pin 6 (Output): The output terminal of the op-amp.
7. Pin 7 (V+): The positive power supply voltage pin.
8. Pin 8 (Offset Null): Used along with Pin 5 for offset voltage adjustment.
These pins allow the OPA129UB to perform precision amplification tasks with extremely low input bias current, making it suitable for sensitive instrumentation applications.
Manufacturer
The OPA129UB is manufactured by Texas Instruments, an American technology company. Texas Instruments is renowned for designing and manufacturing semiconductors and various integrated circuits. The company serves a wide range of industries, including automotive, industrial, personal electronics, communications, and enterprise systems. It is one of the largest semiconductor manufacturers in the world, known for its innovations in analog and embedded processing products.
Application
The OPA129UB is a precision operational amplifier known for its ultra-low bias current and high input impedance. It is commonly used in applications requiring accurate current measurements and sensitive signal processing. Key application areas include:
1. Electrometer Applications: Ideal for measuring extremely low currents in the picoampere range.
2. Photodiode Amplifiers: Suitable for converting low-level photodiode currents into voltage signals.
3. Ion and Electron Beam Monitoring: Used in scientific instruments for precise detection and measurement.
4. pH Meters: Provides accurate readings with minimal error due to low bias current.
5. Medical Instrumentation: Useful in bio-potential measurements and other sensitive medical devices.
6. Precision Sensors and Transducers: Enhances performance where high impedance and low noise are critical.
1. Electrometer Applications: Ideal for measuring extremely low currents in the picoampere range.
2. Photodiode Amplifiers: Suitable for converting low-level photodiode currents into voltage signals.
3. Ion and Electron Beam Monitoring: Used in scientific instruments for precise detection and measurement.
4. pH Meters: Provides accurate readings with minimal error due to low bias current.
5. Medical Instrumentation: Useful in bio-potential measurements and other sensitive medical devices.
6. Precision Sensors and Transducers: Enhances performance where high impedance and low noise are critical.
Package
The OPA129UB is an operational amplifier from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.