Overview
The OPA810IDBVR, produced by Texas Instruments, is a single-channel, field-effect transistor (FET) input, voltage-feedback operational amplifier. It is known for its high performance and low power consumption. The OPA810 features a small-signal, unity-gain bandwidth of 140MHz and a gain-bandwidth product (GBWP) of 70MHz. It offers excellent DC precision and dynamic AC performance with a low quiescent current of 3.7mA per channel. The amplifier is fabricated using Texas Instruments' proprietary high-speed SiGe BiCMOS process, which enhances its performance compared to other FET-input amplifiers at similar power levels.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Small-Signal, Unity-Gain Bandwidth | 140 | MHz |
| Gain-Bandwidth Product (GBWP) | 70 | MHz |
| Slew Rate | 200 | V/µs |
| Input Voltage Noise | 6.3 | nV/√Hz (f = 500kHz) |
| Input Current Noise | 5 | fA/√Hz (f = 10kHz) |
| Input Bias Current | 2-20 | pA |
| Input Offset Voltage | ±500 | µV |
| Input Offset Voltage Drift | ±2.5 | µV/°C |
| Quiescent Current (IQ) | 3.7 | mA |
| Supply Voltage Range | 4.75V to 27V | V |
| Output Current | 75 | mA |
| Operating Temperature Range | -40°C to +125°C | °C |
Key Features
- Rail-to-rail inputs and outputs, allowing for full use of the supply voltage range.
- Low noise voltage of 6.3nV/√Hz and low input current noise of 5fA/√Hz, making it suitable for high-fidelity applications.
- High slew rate of 200V/µs and a gain-bandwidth product of 70MHz, ensuring excellent dynamic performance.
- Low quiescent current of 3.7mA per channel, contributing to low power consumption.
- Wide supply voltage range from 4.75V to 27V, providing flexibility in various applications.
- High linearity output current up to 75mA, suitable for driving high-impedance loads and optoelectronic devices.
Applications
- Broadband photodiode transimpedance amplifiers.
- Analog input and output modules.
- Impedance measurement.
- Power analyzers.
- High-impedance voltage and current measurements.
- Data acquisition systems.
- Multi-channel sensor interfaces.
- Optoelectronic drivers.
Q & A
- What is the small-signal, unity-gain bandwidth of the OPA810?
The OPA810 has a small-signal, unity-gain bandwidth of 140MHz.
- What is the gain-bandwidth product (GBWP) of the OPA810?
The GBWP of the OPA810 is 70MHz.
- What is the slew rate of the OPA810?
The slew rate of the OPA810 is 200V/µs.
- What is the input voltage noise of the OPA810?
The input voltage noise of the OPA810 is 6.3nV/√Hz at 500kHz.
- What is the quiescent current (IQ) of the OPA810?
The quiescent current (IQ) of the OPA810 is 3.7mA per channel.
- What is the supply voltage range of the OPA810?
The supply voltage range of the OPA810 is from 4.75V to 27V.
- What is the maximum output current of the OPA810?
The OPA810 can provide up to 75mA of output current.
- What are the typical applications of the OPA810?
The OPA810 is typically used in broadband photodiode transimpedance amplifiers, data acquisition systems, multi-channel sensor interfaces, and optoelectronic drivers, among others.
- What is the operating temperature range of the OPA810?
The operating temperature range of the OPA810 is from -40°C to +125°C.
- What are the available package options for the OPA810?
The OPA810 is available in 8-pin SOIC, 5-pin SOT-23, and 5-pin SC70 packages.
