Overview
The OPA2690IDR, produced by Texas Instruments, is a dual, wideband, voltage-feedback operational amplifier designed for high-performance applications. It features a flexible supply range, allowing operation from +5V to +12V single supply or ±2.5V to ±6V dual supply. This amplifier is particularly notable for its high slew rate, low supply current, and high output current, making it ideal for various demanding applications such as RGB line driving and ADC input drivers.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Supply Voltage Range | +5V to +12V (Single), ±2.5V to ±6V (Dual) | - | - | V |
| Small-Signal Bandwidth (G = +2) | 220 MHz | 165 MHz | - | MHz |
| Slew Rate | 1800 V/ms | - | - | V/ms |
| Output Voltage Swing (No Load) | ±4.0 V | ±3.6 V | - | V |
| Output Current (Sourcing) | 190 mA | 100 mA | - | mA |
| Supply Current per Channel | 5.5 mA | - | 11.6 mA | mA |
| Disable Current per Channel | - | - | 200 μA | μA |
| Operating Temperature Range | -40°C to +85°C | - | - | °C |
Key Features
- Flexible Supply Range: Operates from +5V to +12V single supply or ±2.5V to ±6V dual supply.
- High Slew Rate: 1800 V/ms, enabling fast signal transitions.
- High Output Current: Up to 190 mA, suitable for driving heavy loads.
- Low Supply Current: 5.5 mA per channel, optimized for power efficiency.
- Optional Disable Control: Allows the amplifier to enter a low-power state, reducing supply current to less than 200 μA per channel.
- High Bandwidth: Up to 220 MHz at a gain of +2, making it suitable for high-speed applications.
Applications
- RGB Line Driving: Ideal for driving RGB video lines due to its high output current and bandwidth.
- ADC Input Drivers: Suitable for driving analog-to-digital converter inputs with high accuracy and speed.
- xDSL Line Driver/Receiver: Used in digital subscriber line applications requiring high bandwidth and low distortion.
- High-Speed Imaging Channels: Applicable in high-speed imaging systems that require fast signal processing.
- Portable Instruments: Suitable for use in portable instruments where power efficiency is crucial.
- Transimpedance Amplifiers and Active Filters: Can be used in various analog signal processing applications.
Q & A
- What is the typical supply current per channel for the OPA2690IDR?
The typical supply current per channel is 5.5 mA.
- What is the maximum output current of the OPA2690IDR?
The maximum output current is 190 mA.
- What is the slew rate of the OPA2690IDR?
The slew rate is 1800 V/ms.
- What is the bandwidth of the OPA2690IDR at a gain of +2?
The bandwidth is up to 220 MHz at a gain of +2.
- Can the OPA2690IDR be disabled to reduce power consumption?
Yes, the OPA2690IDR has an optional disable control that reduces the supply current to less than 200 μA per channel when activated.
- What is the operating temperature range of the OPA2690IDR?
The operating temperature range is -40°C to +85°C.
- What are some common applications of the OPA2690IDR?
Common applications include RGB line driving, ADC input drivers, xDSL line drivers/receivers, high-speed imaging channels, and portable instruments.
- What is the maximum single-supply operating voltage for the OPA2690IDR?
The maximum single-supply operating voltage is 12 V.
- How does the OPA2690IDR handle harmonic distortion?
The OPA2690IDR has low harmonic distortion, making it suitable for high-fidelity applications. Detailed distortion characteristics can be found in the typical characteristics section of the datasheet.
- What is the thermal resistance (θJA) of the OPA2690IDR in the SO-14 package?
The thermal resistance (θJA) is 150 °C/W for the SO-14 package.
