Overview
The OPA2211AIDDA is a precision operational amplifier manufactured by Texas Instruments, designed for applications requiring low noise and high precision. This dual-channel amplifier operates within a wide supply voltage range, making it versatile for various industrial and consumer applications. Its market positioning targets high-performance systems such as data acquisition, audio processing, and instrumentation. The OPA2211AIDDA stands out for its ultra-low noise density, rail-to-rail output, and exceptional thermal stability, making it a competitive choice for precision analog designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | ±2.25V to ±18V (dual), 4.5V to 36V (single) | V | Wide operating range |
| Noise Density | 1.1 | nV/√Hz | At 1 kHz |
| Gain Bandwidth Product | 80 | MHz | Typical |
| Slew Rate | 27 | V/µs | Typical |
| Offset Voltage | 125 | µV | Maximum |
| Offset Voltage Drift | 0.35 | µV/°C | Typical |
| Supply Current | 3.6 | mA/channel | Typical |
| Operating Temperature | -40 to +125 | °C | Industrial range |
| Package | SOIC-8 | - | Compact and robust |
Key Features
- Ultra-low noise density of 1.1 nV/√Hz for precision applications.
- Rail-to-rail output maximizes dynamic range in signal processing.
- Low offset voltage and drift ensure high accuracy over temperature variations.
- High gain bandwidth product (80 MHz) supports high-speed signal amplification.
- Wide supply voltage range for flexible system integration.
Applications
The OPA2211AIDDA is widely used in precision data acquisition systems, audio processing, and instrumentation. Its low noise and high accuracy make it ideal for driving high-resolution ADCs or buffering DAC outputs. Additionally, it is suitable for PLL (Phase-Locked Loop) applications and other scenarios requiring stable and precise signal amplification. Its robust performance and compact package also make it a preferred choice for industrial automation and consumer electronics.
Q & A
1. What is the operating voltage range of the OPA2211AIDDA?
The OPA2211AIDDA operates within a dual supply range of ±2.25V to ±18V or a single supply range of 4.5V to 36V.
2. What is the noise density of the OPA2211AIDDA?
The noise density is 1.1 nV/√Hz at 1 kHz.
3. Is the OPA2211AIDDA suitable for audio applications?
Yes, its low noise and high precision make it ideal for audio processing and high-fidelity systems.
4. What is the gain bandwidth product of the OPA2211AIDDA?
The gain bandwidth product is 80 MHz.
5. What is the typical slew rate of the OPA2211AIDDA?
The typical slew rate is 27 V/µs.
6. How does the OPA2211AIDDA handle temperature variations?
It features a low offset voltage drift of 0.35 µV/°C, ensuring stable performance across temperature changes.
7. What is the supply current per channel?
The typical supply current is 3.6 mA per channel.
8. What package does the OPA2211AIDDA come in?
It is available in an SOIC-8 package.
9. Can the OPA2211AIDDA be used in industrial environments?
Yes, it operates within an industrial temperature range of -40°C to +125°C.
10. What are the key advantages of the OPA2211AIDDA?
Its key advantages include ultra-low noise, rail-to-rail output, high precision, and wide supply voltage range.
