Overview
The OPA129UB is an ultra-low bias current Difet operational amplifier manufactured by Texas Instruments. This amplifier is known for its extremely low input bias current, making it ideal for applications where high input impedance and low noise are critical. The OPA129UB is part of the Difet family, which combines the benefits of both FET and bipolar transistors, offering superior performance in various analog circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Amplifier Type | General Purpose |
| Number of Circuits | 1 |
| Slew Rate | 2.5 V/µs |
| Gain Bandwidth Product | 1 MHz |
| Input Bias Current | 0.03 pA |
| Input Offset Voltage | 500 µV |
| Supply Current | 1.2 mA |
| Output Current per Channel | 10 mA |
| Supply Voltage Range | 10 V ~ 36 V, ±5 V ~ 18 V |
| Operating Temperature Range | -40°C ~ 85°C |
| Package Type | 8-SOIC (0.154", 3.90mm Width) |
Key Features
- Ultra-low input bias current of 0.03 pA, making it suitable for high-impedance sources.
- High gain bandwidth product of 1 MHz.
- Low slew rate of 2.5 V/µs.
- Wide supply voltage range: 10 V ~ 36 V, ±5 V ~ 18 V.
- Operating temperature range from -40°C to 85°C.
- Compact 8-SOIC package.
Applications
The OPA129UB is versatile and can be used in a variety of applications, including:
- High-impedance buffer circuits.
- Low-noise preamplifiers.
- Analog instrumentation.
- Medical devices requiring low noise and high input impedance.
- Industrial control systems where precision and stability are crucial.
Q & A
- What is the input bias current of the OPA129UB?
The input bias current of the OPA129UB is 0.03 pA. - What is the gain bandwidth product of the OPA129UB?
The gain bandwidth product of the OPA129UB is 1 MHz. - What is the slew rate of the OPA129UB?
The slew rate of the OPA129UB is 2.5 V/µs. - What is the supply voltage range for the OPA129UB?
The supply voltage range for the OPA129UB is 10 V ~ 36 V, ±5 V ~ 18 V. - What is the operating temperature range of the OPA129UB?
The operating temperature range of the OPA129UB is -40°C ~ 85°C. - What package type is the OPA129UB available in?
The OPA129UB is available in an 8-SOIC package. - What are some typical applications for the OPA129UB?
The OPA129UB is typically used in high-impedance buffer circuits, low-noise preamplifiers, analog instrumentation, medical devices, and industrial control systems. - Is the OPA129UB RoHS compliant?
Yes, the OPA129UB is RoHS compliant. - What is the output current per channel of the OPA129UB?
The output current per channel of the OPA129UB is 10 mA. - What is the input offset voltage of the OPA129UB?
The input offset voltage of the OPA129UB is 500 µV.
