Overview
The OPA350EA/250G4 is a high-speed, single-supply, rail-to-rail operational amplifier from Texas Instruments. It is part of the OPA350 series, which includes single, dual, and quad versions, offering maximum design flexibility. These amplifiers are optimized for low voltage operation, with a minimum operating voltage of 2.5 V and a maximum of 5.5 V. They feature rail-to-rail input and output, low noise, and high speed operation, making them ideal for various applications including driving sampling Analog-to-Digital (A/D) converters, cell phone PA control loops, video processing, and audio applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Operating Voltage Range | 2.7 | 5.5 | V | |
| Minimum Operating Voltage | 2.5 | V | ||
| Quiescent Current per Channel | 5.2 | 7.5 | mA | |
| Bandwidth (GBW) | 38 | MHz | ||
| Slew Rate | 22 | V/μs | ||
| Noise (Vn at 1 kHz) | 5 | nV/√Hz | ||
| Input Bias Current | 10 | pA | ||
| Output Current | 80 | mA | ||
| Common Mode Rejection Ratio (CMRR) | 66 | 84 | dB | |
| Operating Temperature Range | -40 | 85 | °C |
Key Features
- Rail-to-rail input and output operation
- Low noise: 5 nV/√Hz at 1 kHz
- High speed operation: 38 MHz bandwidth, 22 V/μs slew rate
- Low THD+Noise: 0.0006%
- Unity-gain stable
- MicroSize packages available (e.g., VSSOP, SOIC)
- Single, dual, and quad versions with identical specifications
- High capacitive load drive capability
- CMOS architecture
Applications
- Driving sampling Analog-to-Digital (A/D) converters
- Cell phone PA control loops
- Video processing (75-Ω drive capability)
- Audio applications
- General-purpose and consumer video applications
Q & A
- What is the minimum operating voltage of the OPA350EA/250G4?
The minimum operating voltage is 2.5 V. - What is the typical bandwidth of the OPA350EA/250G4?
The typical bandwidth is 38 MHz. - What is the slew rate of the OPA350EA/250G4?
The slew rate is 22 V/μs. - What is the noise level of the OPA350EA/250G4 at 1 kHz?
The noise level is 5 nV/√Hz at 1 kHz. - Is the OPA350EA/250G4 unity-gain stable?
Yes, it is unity-gain stable. - What are the typical applications of the OPA350EA/250G4?
Typical applications include driving A/D converters, cell phone PA control loops, video processing, and audio applications. - What is the common mode rejection ratio (CMRR) of the OPA350EA/250G4?
The CMRR is typically 84 dB. - What is the operating temperature range of the OPA350EA/250G4?
The operating temperature range is -40°C to 85°C. - What package types are available for the OPA350EA/250G4?
The OPA350EA/250G4 is available in VSSOP packages. - Does the OPA350EA/250G4 have high capacitive load drive capability?
Yes, it has high capacitive load drive capability.
