Overview
The OPA2890IDR, produced by Texas Instruments, is a low-power, wideband, voltage-feedback operational amplifier. It is designed to offer high performance with low power consumption, making it ideal for various high-speed applications. The OPA2890IDR features a flexible supply range, operating from +3V to +12V single supply or ±1.5V to ±6V dual supplies. It boasts a high slew rate of 400V/μs and a bandwidth of up to 210MHz at a gain of +1V/V, making it suitable for demanding applications such as video line driving, ADC input buffering, and high-speed imaging channels.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Units |
|---|---|---|---|---|
| Supply Voltage Range | +3V to +12V (Single), ±1.5V to ±6V (Dual) | - | - | V |
| Quiescent Current per Channel | 1.1 | 1.75 | 2.45 | mA |
| Slew Rate | 400 | - | - | V/μs |
| Bandwidth (G = +1V/V) | 210 | 45 | - | MHz |
| Output Voltage Swing (No Load) | ±4.0 | ±3.7 | - | V |
| Output Current (Sourcing/Sinking) | ±40 | ±30 | - | mA |
| Power-Supply Rejection Ratio (+PSRR) | 65 | - | - | dB |
| Operating Temperature Range | -40 to +85 | - | - | °C |
Key Features
- Flexible Supply Range: Operates from +3V to +12V single supply or ±1.5V to ±6V dual supplies.
- Unity-Gain Stable: Stable at unity gain, making it versatile for various applications.
- Wideband Operation: Delivers a bandwidth of up to 210MHz at a gain of +1V/V.
- High Slew Rate: Features a high slew rate of 400V/μs.
- Low Quiescent Current: Low power consumption with a quiescent current of 1.1mA per channel.
- Optional Disable Control: Available in MSOP-10 package, allowing for power-down control.
- High Output Current Drive: Capable of driving up to ±40mA.
Applications
- Video Line Driving: Ideal for driving RGB video lines due to its high bandwidth and output current drive.
- ADC Buffers: Suitable for buffering inputs to analog-to-digital converters (ADCs).
- xDSL Line Drivers/Receivers: Used in digital subscriber line (xDSL) applications.
- High-Speed Imaging Channels: Applicable in high-speed imaging systems requiring low noise and high bandwidth.
Q & A
- What is the typical supply voltage range for the OPA2890IDR?
The OPA2890IDR operates from +3V to +12V single supply or ±1.5V to ±6V dual supplies.
- What is the quiescent current per channel for the OPA2890IDR?
The quiescent current per channel is typically 1.1mA.
- What is the slew rate of the OPA2890IDR?
The slew rate is 400V/μs.
- What is the bandwidth of the OPA2890IDR at a gain of +1V/V?
The bandwidth is up to 210MHz at a gain of +1V/V.
- What is the output voltage swing of the OPA2890IDR with no load?
The output voltage swing is ±4.0V with no load.
- Does the OPA2890IDR have an optional disable control feature?
- What are some common applications of the OPA2890IDR?
- What is the operating temperature range of the OPA2890IDR?
- What is the power-supply rejection ratio (PSRR) of the OPA2890IDR?
- How much output current can the OPA2890IDR source or sink?
