Overview
The OPA810IDCKR is a high-performance, single-channel, field-effect transistor (FET) input, voltage-feedback operational amplifier produced by Texas Instruments. It is known for its excellent dc precision and dynamic ac performance, making it suitable for a wide range of high-fidelity data-acquisition and signal-processing applications. The OPA810 is fabricated on Texas Instruments' proprietary high-speed SiGe BiCMOS process, which enhances its performance over comparable FET-input amplifiers at similar levels of quiescent power.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Gain-Bandwidth Product (GBWP) | 70 MHz | |
| Small-Signal Bandwidth | 140 MHz | |
| Slew Rate | 200 V/µs | |
| Input Voltage Noise | 6.3 nV/√Hz (f = 500 kHz) | |
| Quiescent Current (IQ) per Channel | 3.7 mA | |
| Supply Voltage Range | 4.75 V to 27 V | |
| Input Offset Voltage | 100 µV to 715 µV (depending on package) | |
| Input Bias Current | 2 pA to 20 pA | |
| Common-Mode Rejection Ratio (CMRR) | 80 dB to 100 dB | |
| Output Voltage Range | VS+ - 0.12 V to VS- + 0.11 V (RL = 667 Ω) | |
| Linear Output Drive (Sourcing and Sinking) | 50 mA to 64 mA | |
| Operating Temperature Range | -40°C to +125°C | |
| Package Types | SOIC (8-pin), SOT-23 (5-pin), SC70 (5-pin) |
Key Features
- Rail-to-rail inputs and outputs, enabling operation over a wide range of input and output voltages.
- High gain-bandwidth product of 70 MHz and small-signal bandwidth of 140 MHz, making it suitable for high-frequency applications.
- Low input voltage noise of 6.3 nV/√Hz at 500 kHz, ensuring high signal integrity.
- Low quiescent current of 3.7 mA per channel, contributing to energy efficiency.
- High slew rate of 200 V/µs, allowing for rapid signal transitions.
- Ability to drive heavy loads with up to 75 mA of linear output current.
- Wide supply voltage range from 4.75 V to 27 V, providing flexibility in system design.
Applications
The OPA810 is designed for use in various high-fidelity data-acquisition and signal-processing applications, including:
- Optoelectronic drivers
- Analog-to-digital converter (ADC) inputs
- Buffering digital-to-analog converter (DAC) outputs
- High-speed data acquisition systems
- Audio and video signal processing
- Medical and industrial instrumentation
Q & A
- What is the gain-bandwidth product of the OPA810?
The gain-bandwidth product of the OPA810 is 70 MHz. - What is the small-signal bandwidth of the OPA810?
The small-signal bandwidth of the OPA810 is 140 MHz. - What is the slew rate of the OPA810?
The slew rate of the OPA810 is 200 V/µs. - What is the input voltage noise of the OPA810?
The input voltage noise of the OPA810 is 6.3 nV/√Hz at 500 kHz. - What is the quiescent current of the OPA810 per channel?
The quiescent current of the OPA810 per channel is typically 3.7 mA. - What is the supply voltage range of the OPA810?
The supply voltage range of the OPA810 is from 4.75 V to 27 V. - What are the package options for the OPA810?
The OPA810 is available in SOIC (8-pin), SOT-23 (5-pin), and SC70 (5-pin) packages. - 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 some typical applications of the OPA810?
The OPA810 is typically used in optoelectronic drivers, ADC inputs, DAC output buffering, high-speed data acquisition systems, and audio and video signal processing. - How much linear output current can the OPA810 drive?
The OPA810 can drive up to 75 mA of linear output current.
