Overview
The OPA2350EA/2K5G4 is a dual, single-supply, rail-to-rail, high-speed operational amplifier produced by Texas Instruments. This component is part of the OPA350 series, which is optimized for low-voltage, single-supply operation. The OPA2350 is known for its rail-to-rail input and output, low noise, and high-speed operation, making it ideal for various applications including driving sampling Analog-to-Digital (A/D) converters, cell phone PA control loops, video processing, and general-purpose use.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Operating Voltage Range | 2.7 | - | 5.5 | V |
| Minimum Operating Voltage | 2.5 | - | - | V |
| Bandwidth | - | 38 | - | MHz |
| Slew Rate | - | 22 | - | V/µs |
| Noise | - | 5 | - | nV/√Hz |
| THD+Noise | - | 0.0006% | - | % |
| Output Voltage Swing (RL = 10kΩ) | 10 | - | 50 | mV from rail |
| Output Current | - | - | ±40 | mA |
| Short-Circuit Current | - | - | ±80 | mA |
| Operating Temperature Range | -40 | - | 85 | °C |
| Package Type | - | VSSOP (DGK) | - | - |
| Pins | - | 8 | - | - |
Key Features
- Rail-to-Rail Input and Output: The OPA2350 features rail-to-rail input and output, with output voltage swing to within 10 mV of the supply rails.
- High Speed Operation: It offers a wide bandwidth of 38 MHz and a high slew rate of 22 V/µs.
- Low Noise: The amplifier has a low noise level of 5 nV/√Hz.
- Low THD+Noise: Total harmonic distortion plus noise is as low as 0.0006%.
- Unity-Gain Stable: The OPA2350 is stable at unity gain.
- MicroSize Packages: Available in miniature MSOP-8, SO-8, and DIP-8 packages.
- Independent Circuitry: Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.
Applications
- Driving Sampling Analog-to-Digital (A/D) Converters: Ideal for high-speed data acquisition systems.
- Cell Phone PA Control Loops: Suitable for control loops in cellular phone power amplifiers.
- Video Processing: Capable of driving 75-Ω loads, making it suitable for video processing applications.
- Audio Processing: Used in various audio applications due to its low noise and high fidelity.
- General Purpose Applications: Versatile enough for use in a wide range of general-purpose analog circuits.
- Active Filters: Can be used in active filter designs requiring high speed and low noise.
- Communications: Suitable for various communication systems requiring high-speed and low-noise amplification.
- Test Equipment: Used in test and measurement equipment due to its high accuracy and stability.
Q & A
- What is the operating voltage range of the OPA2350?
The operating voltage range of the OPA2350 is from 2.7 V to 5.5 V, with a minimum operating voltage of 2.5 V.
- What is the bandwidth of the OPA2350?
The bandwidth of the OPA2350 is 38 MHz.
- What is the slew rate of the OPA2350?
The slew rate of the OPA2350 is 22 V/µs.
- What is the noise level of the OPA2350?
The noise level of the OPA2350 is 5 nV/√Hz).
- Is the OPA2350 unity-gain stable?
Yes, the OPA2350 is unity-gain stable).
- What are the available package types for the OPA2350?
The OPA2350 is available in MSOP-8, SO-8, and DIP-8 packages).
- What is the operating temperature range of the OPA2350?
The specified operating temperature range is from -40°C to 85°C, and it can operate from -55°C to 150°C).
- What are some typical applications of the OPA2350?
The OPA2350 is typically used in driving sampling A/D converters, cell phone PA control loops, video processing, audio processing, and general-purpose analog circuits).
- Does the OPA2350 have independent circuitry in dual and quad versions?
Yes, the dual and quad versions of the OPA2350 feature completely independent circuitry for lowest crosstalk and freedom from interaction).
- What is the output voltage swing of the OPA2350?
The output voltage swing of the OPA2350 is to within 10 mV of the supply rails with a 10 kΩ load).
