Overview
The OPA350UA is a single, single-supply, rail-to-rail, high-speed, low-noise operational amplifier produced by Texas Instruments. This CMOS operational amplifier is optimized for low voltage, single-supply operation and is part of the OPA350 series. It features rail-to-rail input and output, low noise, and high-speed operation, making it ideal for various applications such as driving sampling Analog-to-Digital (A/D) converters, cell phone PA control loops, video processing, and general-purpose use.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage Range | 2.7 to 5.5 | V |
| Bandwidth | 38 | MHz |
| Slew Rate | 22 | V/µs |
| Noise Voltage Density | 5 | nV/√Hz |
| THD+Noise | 0.0006% | - |
| Input Offset Voltage | ±150 to ±500 | µV |
| Output Voltage Swing | Within 10 mV of supply rails | - |
| Output Current | ±40 | mA |
Key Features
- Rail-to-Rail Input and Output (within 10 mV)
- Wide Bandwidth: 38 MHz
- High Slew Rate: 22 V/µs
- Low Noise: 5 nV/√Hz
- Low THD+Noise: 0.0006%
- Unity-Gain Stable
- MicroSize Packages (SOIC, MSOP, DIP)
- Single, Dual, and Quad Versions Available
Applications
- Driving sampling Analog-to-Digital (A/D) converters
- Cell phone PA control loops
- Video processing (75-Ω drive capability)
- Audio processing
- General-purpose applications
- Data acquisition
- Process control
- Communications
- Active filters
- Test equipment
Q & A
- What is the operating temperature range of the OPA350UA?
The operating temperature range is from -40°C to 85°C.
- What is the supply voltage range for the OPA350UA?
The supply voltage range is from 2.7 V to 5.5 V.
- What is the bandwidth of the OPA350UA?
The bandwidth is 38 MHz.
- What is the slew rate of the OPA350UA?
The slew rate is 22 V/µs.
- What is the noise voltage density of the OPA350UA?
The noise voltage density is 5 nV/√Hz.
- Is the OPA350UA unity-gain stable?
- What are the typical applications of the OPA350UA?
The OPA350UA is typically used for driving sampling A/D converters, cell phone PA control loops, video processing, audio processing, and general-purpose applications.
- What package types are available for the OPA350UA?
The OPA350UA is available in SOIC-8, MSOP-8, and DIP-8 packages.
- Is the OPA350UA RoHS compliant?
- What is the output voltage swing of the OPA350UA?
The output voltage swing is within 10 mV of the supply rails with a 10-kΩ load).
