Overview
The OPA690IDBVTG4, produced by Texas Instruments, is a wideband, voltage-feedback operational amplifier that represents a significant advancement in the field of op amps. This device is unity-gain stable and offers exceptional performance characteristics, including high slew rate, low input voltage noise, and high output current. The OPA690 is designed to meet the demands of high-speed applications, making it an excellent choice for systems requiring fast settling times and low distortion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Unity-Gain Bandwidth | 535 MHz | |
| Slew Rate | 1900 V/µs | |
| Input Voltage Noise | 4.6 nV/√Hz | |
| Output Current | 215 mA | |
| Supply Range | 5 V to 12 V | |
| Quiescent Current | 6.1 mA | |
| Disable Current | 100 µA | |
| Common-Mode Rejection Ratio (CMRR) | 60 dB to 80 dB | |
| Power-Supply Rejection Ratio (PSRR) | 68 dB to 86 dB | |
| Settling Time | 13 ns | |
| Package Type | SOT-23 (6 pins) |
Key Features
- Unity-gain stable with a bandwidth of 535 MHz
- High slew rate of 1900 V/µs into a 100Ω load
- Low input voltage noise of 4.6 nV/√Hz
- High output current capability of 215 mA
- Low quiescent current of 6.1 mA, making it suitable for battery-powered applications
- Optional disable control pin to reduce supply current to less than 100 µA
- Low distortion with HD2 and HD3 at -85 dBc and -75 dBc respectively at 5 MHz
- Wide supply range from 5 V to 12 V
Applications
- High-speed imaging channels
- ADC buffers
- Portable instruments
- Transimpedance amplifiers
- Active filters
- Video line drivers
- xDSL line drivers and receivers
Q & A
- What is the unity-gain bandwidth of the OPA690?
The OPA690 has a unity-gain bandwidth of 535 MHz.
- What is the slew rate of the OPA690?
The slew rate of the OPA690 is 1900 V/µs into a 100Ω load.
- What is the input voltage noise of the OPA690?
The input voltage noise of the OPA690 is 4.6 nV/√Hz.
- How much output current can the OPA690 provide?
The OPA690 can provide up to 215 mA of output current.
- What is the quiescent current of the OPA690?
The quiescent current of the OPA690 is 6.1 mA.
- Can the OPA690 be disabled to reduce power consumption?
- What are the typical applications of the OPA690?
The OPA690 is typically used in high-speed imaging channels, ADC buffers, portable instruments, transimpedance amplifiers, active filters, video line drivers, and xDSL line drivers and receivers.
- What is the settling time of the OPA690?
The settling time of the OPA690 is 13 ns.
- What is the package type of the OPA690IDBVTG4?
The OPA690IDBVTG4 comes in a SOT-23 (6 pins) package.
- What is the supply range of the OPA690?
The supply range of the OPA690 is from 5 V to 12 V.
