Overview
The OPA691IDBVRG4 is a high-speed, wideband, current feedback operational amplifier manufactured by Texas Instruments. This device is designed to offer exceptional performance in various high-frequency applications. It combines a high gain bandwidth product with a very high slew rate, making it ideal for video and RF signal processing, test equipment, and communication systems. The OPA691IDBVRG4 operates over a flexible supply voltage range, from +5V to +12V for single supply, or ±2.5V to ±6V for dual supplies, and includes a disable feature to reduce current consumption for power-sensitive applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Part Number | OPA691IDBVRG4 | |
| Manufacturer | Texas Instruments | |
| Amplifier Type | Current Feedback | |
| Number of Circuits | 1 | |
| Slew Rate | 2100 V/µs | V/µs |
| Gain Bandwidth Product | 2 GHz | GHz |
| -3db Bandwidth | 280 MHz | MHz |
| Input Bias Current | 15 µA | µA |
| Input Offset Voltage | 500 µV | µV |
| Supply Current | 5.1 mA | mA |
| Output Current per Channel | 190 mA | mA |
| Supply Voltage Range | +5V to +12V, ±2.5V to ±6V | V |
| Operating Temperature | -40°C to 85°C | °C |
| Package / Case | SOT-23-6 | |
| Mounting Type | Surface Mount |
Key Features
- High Gain Bandwidth Product: 2 GHz, ensuring high-speed signal processing with minimal distortion.
- High Slew Rate: 2100 V/µs, enabling fast signal transitions and maintaining signal fidelity at high frequencies.
- Flexible Supply Voltage: Operates on single supply voltages from +5V to +12V or dual supplies from ±2.5V to ±6V, making it versatile for various applications.
- Disable Feature: Reduces supply current to less than 150 µA when disabled, suitable for power-sensitive applications.
- Low Differential Gain and Phase Error: Crucial for maintaining signal integrity in video applications.
- High Output Drive Capability: Delivers up to 190 mA output current, ensuring high-quality signal output.
- Compact Packaging: SOT-23-6 package, ideal for space-constrained applications.
Applications
- Video and RF Signal Processing: Ideal for broadband video buffers and RF signal amplification due to its high bandwidth and low distortion.
- Test Equipment: Suitable for high-speed test equipment requiring fast and accurate signal amplification.
- Communication Systems: Used in various communication systems where high-speed signal processing is necessary.
- ADC and DAC Buffers: Excellent for driving high-speed analog-to-digital converters (ADCs) and buffering digital-to-analog converters (DACs).
- xDSL Line Drivers: Suitable for xDSL line drivers due to its high output current and bandwidth.
- High-Speed Imaging Channels: Used in high-speed imaging applications requiring fast signal processing.
- Portable Instruments: Ideal for portable instruments where power efficiency and high performance are critical).
- Active Filters and Summing Amplifiers: Used in wideband inverting summing and active filter applications).
Q & A
- What is the OPA691IDBVRG4?
The OPA691IDBVRG4 is a high-speed, wideband, current feedback operational amplifier manufactured by Texas Instruments.
- What is the gain bandwidth product of the OPA691IDBVRG4?
The gain bandwidth product of the OPA691IDBVRG4 is 2 GHz.
- What is the slew rate of the OPA691IDBVRG4?
The slew rate of the OPA691IDBVRG4 is 2100 V/µs.
- What are the supply voltage ranges for the OPA691IDBVRG4?
The OPA691IDBVRG4 operates on single supply voltages from +5V to +12V or dual supplies from ±2.5V to ±6V.
- Does the OPA691IDBVRG4 have a disable feature?
Yes, the OPA691IDBVRG4 has a disable feature that reduces the supply current to less than 150 µA when activated.
- What is the output current capability of the OPA691IDBVRG4?
The OPA691IDBVRG4 can deliver up to 190 mA output current per channel.
- What is the operating temperature range of the OPA691IDBVRG4?
The operating temperature range of the OPA691IDBVRG4 is -40°C to 85°C.
- In what package is the OPA691IDBVRG4 available?
The OPA691IDBVRG4 is available in a SOT-23-6 package.
- What are some typical applications of the OPA691IDBVRG4?
Typical applications include video and RF signal processing, test equipment, communication systems, ADC and DAC buffers, xDSL line drivers, high-speed imaging channels, and portable instruments.
- Is the OPA691IDBVRG4 RoHS compliant?
There is no specific information on RoHS compliance for the OPA691IDBVRG4 in the provided sources, but other variants of the OPA691 are RoHS compliant.
