Overview
The Texas Instruments OPA698IDRG4 is a high-performance, wideband, unity-gain stable voltage-feedback operational amplifier. This device is designed for high-speed, high-precision, and wide-dynamic-range applications. It features bipolar output voltage limiting, which is crucial for maintaining signal integrity and preventing overdrive damage. The OPA698IDRG4 is available in an industry-standard SO-8 package, making it versatile for various electronic designs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage | 5V to 12V, ±2.5V to ±6V | V |
| Bandwidth | 450 MHz (G = +1) | MHz |
| Gain-Bandwidth Product | 250 MHz | MHz |
| Slew Rate | 1100 V/µs | V/µs |
| Input Offset Voltage (Vos) | 2 mV | mV |
| Input Offset Current (IIO) | 2 µA | µA |
| Power Supply Rejection Ratio (PSRR) | 70 dB | dB |
| Operating Temperature | -40°C to +85°C | °C |
| Package | 8-SOIC (0.154, 3.90mm Width) | |
| Number of Pins | 8 |
Key Features
- High-Speed Operation: The OPA698IDRG4 offers a high bandwidth of 450 MHz and a slew rate of 1100 V/µs, making it suitable for high-speed applications.
- Bipolar Output Voltage Limiting: This feature ensures that the output voltage is limited to prevent overdrive, with an accuracy of ±10 mV.
- Fast Recovery from Overdrive: The device recovers quickly from overdrive conditions, with a recovery time of 1 ns.
- Low Noise and High Linearity: The amplifier is designed for ultra-low voltage noise and high linearity near the limiting voltages.
- Unity-Gain Stable: The OPA698IDRG4 is unity-gain stable, making it versatile for various op-amp configurations.
Applications
- Fast Limiting Analog-to-Digital Converter (ADC) Input Buffers: Ideal for high-speed ADC applications where signal integrity is crucial.
- CCD Pixel Clock Stripping: Used in charge-coupled device (CCD) applications to strip pixel clocks.
- Video Sync Stripping: Suitable for video signal processing to strip sync signals.
- HF Mixers and IF Limiting Amplifiers: Used in high-frequency mixer and intermediate frequency (IF) amplifier applications.
- AM Signal Generation and Nonlinear Analog Signal Processing: Applicable in various signal generation and nonlinear processing tasks.
Q & A
- What is the bandwidth of the OPA698IDRG4?
The bandwidth of the OPA698IDRG4 is 450 MHz at a gain of +1.
- What is the slew rate of the OPA698IDRG4?
The slew rate of the OPA698IDRG4 is 1100 V/µs.
- What is the input offset voltage (Vos) of the OPA698IDRG4?
The input offset voltage (Vos) of the OPA698IDRG4 is 2 mV.
- What is the power supply rejection ratio (PSRR) of the OPA698IDRG4?
The power supply rejection ratio (PSRR) of the OPA698IDRG4 is 70 dB.
- What is the operating temperature range of the OPA698IDRG4?
The operating temperature range of the OPA698IDRG4 is -40°C to +85°C.
- What package type is the OPA698IDRG4 available in?
The OPA698IDRG4 is available in an 8-SOIC package.
- What are the key applications of the OPA698IDRG4?
The OPA698IDRG4 is used in fast limiting ADC input buffers, CCD pixel clock stripping, video sync stripping, HF mixers, IF limiting amplifiers, AM signal generation, and nonlinear analog signal processing.
- How does the bipolar output voltage limiting feature work?
The bipolar output voltage limiting feature ensures that the output voltage is limited to prevent overdrive, with an accuracy of ±10 mV, and recovers quickly from overdrive conditions.
- Is the OPA698IDRG4 unity-gain stable?
Yes, the OPA698IDRG4 is unity-gain stable.
- What is the gain-bandwidth product of the OPA698IDRG4?
The gain-bandwidth product of the OPA698IDRG4 is 250 MHz.
