Overview
The OPA695IDBVR, produced by Texas Instruments, is a high-bandwidth, current-feedback operational amplifier. This device is renowned for its exceptional performance, combining a high slew rate of 4300 V/μs with low input voltage noise. It is optimized for high-gain operation and is particularly suited for applications requiring high dynamic range and low distortion. The OPA695 is available in several package options, including the VSSOP-8 package, making it versatile for various design needs.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Bandwidth (G = +1V/V) | 1900 MHz | |
| Bandwidth (G = +8V/V) | 600 MHz | |
| Large-signal bandwidth (2VPP, G = +8) | 450 MHz | |
| Output voltage swing (no load) | ±4.2 V | |
| Slew rate | 4300 V/μs | |
| Input voltage noise (f > 1 MHz) | 2 nV/√Hz | |
| Supply current (VS = ±5 V) | 12.9 mA | |
| Disabled power consumption | 0.5 mW | |
| Operating temperature range | –40°C to +85°C | |
| Package options | SOIC-8, VSSOP-8, SOT23-6 |
Key Features
- Ultra-wide bandwidth: Achieves up to 1900 MHz bandwidth at a gain of +1V/V and 600 MHz at a gain of +8V/V.
- High slew rate: Offers a slew rate of 4300 V/μs, ensuring rapid signal response.
- Low input voltage noise: Features low input voltage noise of 2 nV/√Hz, enhancing signal integrity.
- High output voltage swing: Delivers an output voltage swing of ±4.2 V, suitable for high-power applications.
- Low power consumption: Operates with a supply current of 12.9 mA and reduces to less than 170 μA in disabled mode.
- Compact packaging: Available in ultra-small packages such as the SOT23-6, making it ideal for portable applications.
- Disable feature: Includes an optional disable control pin to reduce power consumption when not in use.
Applications
- Very wideband ADC drivers: Suitable for driving high-speed analog-to-digital converters.
- Low-cost precision IF amplifiers: Ideal for intermediate frequency amplification in communication systems.
- Broadband video line drivers: Supports high-resolution RGB video applications.
- Portable instruments: Compact and low-power design makes it suitable for portable equipment.
- Active filters and ARB waveform output drivers: Can be used in various signal processing and generation applications.
Q & A
- What is the maximum bandwidth of the OPA695 at a gain of +1V/V?
The maximum bandwidth of the OPA695 at a gain of +1V/V is 1900 MHz.
- What is the slew rate of the OPA695?
The slew rate of the OPA695 is 4300 V/μs.
- What is the output voltage swing of the OPA695?
The output voltage swing of the OPA695 is ±4.2 V.
- How much power does the OPA695 consume in normal operation?
The OPA695 consumes a supply current of 12.9 mA in normal operation.
- What is the power consumption of the OPA695 in disabled mode?
In disabled mode, the OPA695 reduces its power consumption to less than 170 μA.
- What are the package options available for the OPA695?
The OPA695 is available in SOIC-8, VSSOP-8, and SOT23-6 packages.
- What is the operating temperature range of the OPA695?
The operating temperature range of the OPA695 is –40°C to +85°C.
- What is the input voltage noise of the OPA695?
The input voltage noise of the OPA695 is 2 nV/√Hz.
- Can the OPA695 be used in high-gain applications?
Yes, the OPA695 is optimized for high-gain operation and is suitable for applications requiring high dynamic range.
- What are some common applications of the OPA695?
The OPA695 is commonly used in very wideband ADC drivers, low-cost precision IF amplifiers, broadband video line drivers, portable instruments, and active filters.
