Overview
The OPA209 series of precision operational amplifiers from Texas Instruments is designed to achieve very low voltage noise density and low power consumption. The OPA209AIDBVR, specifically, is a single-channel operational amplifier that offers exceptional performance in various high-precision applications. It features a low voltage noise density of 2.2 nV/√Hz at 1 kHz and a low quiescent current of 2.5 mA per channel. This amplifier is unity-gain stable and free from unexpected output and phase reversal, making it suitable for applications requiring high accuracy and low noise.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | ±35 | ±150 | µV | |
| Input Offset Voltage Drift (dVOS/dT) | 1 | 3 | µV/°C | |
| Input Bias Current (IB) | ±1 | ±4.5 | nA | |
| Gain Bandwidth Product (GBW) | 18 | MHz | ||
| Slew Rate (SR) | 6.4 | V/µs | ||
| Supply Voltage Range | ±2.25 V to ±18 V, 4.5 V to 36 V | V | ||
| Output Short-Circuit Current | ±65 | mA | ||
| Operating Temperature Range | –40°C to 125°C | °C |
Key Features
- Low voltage noise density: 2.2 nV/√Hz at 1 kHz
- Low quiescent current: 2.5 mA per channel
- Low offset voltage: 150 µV (maximum)
- Rail-to-rail output swing
- High gain bandwidth product: 18 MHz
- Fast slew rate: 6.4 V/µs
- Wide supply range: ±2.25 V to ±18 V, 4.5 V to 36 V
- Available in various packages: 5-pin SOT-23, 8-pin MSOP, 8-pin SOIC, and 14-pin TSSOP
Applications
- PLL Loop Filters
- Low-Noise, Low-Power Signal Processing
- Low-Noise Instrumentation Amplifiers
- High-Performance ADC Drivers
- High-Performance DAC Output Amplifiers
- Active Filters
- Ultrasound Amplifiers
- Professional Audio Preamplifiers
- Low-Noise Frequency Synthesizers
- Infrared Detector Amplifiers
- Hydrophone Amplifiers
Q & A
- What is the voltage noise density of the OPA209AIDBVR?
The voltage noise density of the OPA209AIDBVR is 2.2 nV/√Hz at 1 kHz.
- What is the maximum quiescent current of the OPA209AIDBVR?
The maximum quiescent current is 2.5 mA per channel.
- What is the input offset voltage of the OPA209AIDBVR?
The input offset voltage is ±150 µV (maximum).
- What is the gain bandwidth product of the OPA209AIDBVR?
The gain bandwidth product is 18 MHz.
- What is the slew rate of the OPA209AIDBVR?
The slew rate is 6.4 V/µs.
- What is the supply voltage range for the OPA209AIDBVR?
The supply voltage range is ±2.25 V to ±18 V, or single-supply operation from 4.5 V to 36 V.
- What are the available packages for the OPA209AIDBVR?
The OPA209AIDBVR is available in 5-pin SOT-23, 8-pin MSOP, 8-pin SOIC, and 14-pin TSSOP packages.
- What are some common applications for the OPA209AIDBVR?
Common applications include PLL loop filters, low-noise instrumentation amplifiers, high-performance ADC and DAC drivers, active filters, and professional audio preamplifiers.
- What is the operating temperature range for the OPA209AIDBVR?
The operating temperature range is –40°C to 125°C.
- Does the OPA209AIDBVR have rail-to-rail output swing?
Yes, the OPA209AIDBVR has rail-to-rail output swing.
