Overview
The OPA2684IDCNR, produced by Texas Instruments, is a low-power, dual current-feedback operational amplifier. This device is part of the CFBPLUS family and is known for its high performance in wideband applications. It offers minimal bandwidth change versus gain, making it suitable for a variety of high-frequency applications. The OPA2684IDCNR operates on a single supply voltage from +5V to +12V or dual supply voltages from ±2.5V to ±6.0V, with a low total supply current of 3.4mA.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Bandwidth at G = +2 | 170 MHz | |
| Bandwidth at G = +10 | 90 MHz | |
| Slew Rate | 780 V/μs | |
| Gain Bandwidth Product | 1.9 GHz | |
| -3db Bandwidth | 250 MHz | |
| Input Bias Current | 5 μA | |
| Input Offset Voltage | 1.5 mV | |
| Supply Current | 1.7 mA | |
| Output Current per Channel | 160 mA | |
| Supply Voltage (Single/Dual) | +5V to +12V, ±2.5V to ±6.0V | |
| Operating Temperature | -40°C to +85°C | |
| Package Type | SOT-23-8 |
Key Features
- Minimal bandwidth change versus gain, ensuring consistent performance across different gain settings.
- High bandwidth: up to 170 MHz at a gain of +2 and over 120 MHz at gains greater than +10.
- Low distortion: less than –82 dBc at 5 MHz.
- High output current: up to 120 mA per channel.
- Low supply current: 3.4 mA total.
- Single or dual supply operation: +5V to +12V or ±2.5V to ±6.0V.
- Surface mount package: SOT-23-8.
Applications
The OPA2684IDCNR is suitable for various high-frequency applications, including:
- Video and audio amplification.
- Medical imaging and diagnostic equipment.
- Test and measurement instruments.
- High-speed data acquisition systems.
- Professional audio equipment.
Q & A
- What is the bandwidth of the OPA2684IDCNR at a gain of +2?
The bandwidth at a gain of +2 is 170 MHz. - What is the slew rate of the OPA2684IDCNR?
The slew rate is 780 V/μs. - What are the supply voltage options for the OPA2684IDCNR?
The device can operate on a single supply voltage from +5V to +12V or dual supply voltages from ±2.5V to ±6.0V. - What is the total supply current of the OPA2684IDCNR?
The total supply current is 3.4 mA. - What is the maximum output current per channel of the OPA2684IDCNR?
The maximum output current per channel is 160 mA. - What is the operating temperature range of the OPA2684IDCNR?
The operating temperature range is -40°C to +85°C. - What package type is the OPA2684IDCNR available in?
The device is available in a SOT-23-8 package. - What are some typical applications of the OPA2684IDCNR?
Typical applications include video and audio amplification, medical imaging, test and measurement instruments, high-speed data acquisition systems, and professional audio equipment. - How much distortion does the OPA2684IDCNR exhibit at 5 MHz?
The distortion is less than –82 dBc at 5 MHz. - What is the gain bandwidth product of the OPA2684IDCNR?
The gain bandwidth product is 1.9 GHz.
