Overview
The OPA691IDBVT, produced by Texas Instruments, is a high-performance, wideband current feedback operational amplifier. This component is designed to offer exceptional performance with a very low supply current of 5.1mA. It features a high slew rate and output power, making it ideal for various high-speed applications. The OPA691IDBVT operates over a flexible supply range from +5V to +12V single-supply and ±2.5V to ±6V dual-supply, ensuring versatility in different system designs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Current | 5.1mA | mA |
| Supply Voltage Range | +5V to +12V (Single-Supply), ±2.5V to ±6V (Dual-Supply) | V |
| Bandwidth (G = +2, RF = 402Ω) | 190MHz | MHz |
| Slew Rate | 2100V/µs | V/µs |
| Output Current | 190mA | mA |
| Output Voltage Swing | ±4.0V | V |
| Disabled Current | 150µA | µA |
| Package | SOT-23-6 | |
| Operating Temperature Range | –40°C to +85°C | °C |
Key Features
- Unity-gain stable with a bandwidth of 280MHz (G = 1)
- High output current of up to 190mA
- High slew rate of 2100V/µs
- Low differential gain and phase error (dG/dφ: 0.07%/0.02°)
- Low supply current of 5.1mA and low disabled current of 150µA
- Wideband operation with a single +5V supply, delivering a 1V to 4V output swing
- Optional disable control pin for power savings
Applications
- xDSL line drivers
- Broadband video buffers
- High-speed imaging channels
- Portable instruments
- ADC buffers
- Active filters
- Wideband inverting summing amplifiers
- High SFDR IF amplifiers
Q & A
- What is the supply current of the OPA691IDBVT?
The supply current of the OPA691IDBVT is 5.1mA.
- What is the bandwidth of the OPA691IDBVT at a gain of +2?
The bandwidth of the OPA691IDBVT at a gain of +2 is 190MHz.
- What is the slew rate of the OPA691IDBVT?
The slew rate of the OPA691IDBVT is 2100V/µs.
- What is the output current capability of the OPA691IDBVT?
The OPA691IDBVT can deliver up to 190mA of output current.
- What is the output voltage swing of the OPA691IDBVT?
The output voltage swing of the OPA691IDBVT is ±4.0V.
- How does the disable feature work on the OPA691IDBVT?
The disable feature reduces the supply current to less than 150µA when the disable pin is pulled LOW, and the output goes into a high impedance state.
- What are the typical applications of the OPA691IDBVT?
The OPA691IDBVT is typically used in xDSL line drivers, broadband video buffers, high-speed imaging channels, portable instruments, ADC buffers, active filters, and wideband inverting summing amplifiers.
- What is the operating temperature range of the OPA691IDBVT?
The operating temperature range of the OPA691IDBVT is –40°C to +85°C.
- What package types are available for the OPA691IDBVT?
The OPA691IDBVT is available in SOT-23-6 packages.
- Is the OPA691IDBVT RoHS compliant?
Yes, the OPA691IDBVT is RoHS compliant.
