Overview
The OPA2350UA is a dual single-supply, rail-to-rail, high-speed, low-noise operational amplifier produced by Texas Instruments. It is part of the OPA350 series, which is optimized for low voltage, single-supply operation. These amplifiers are designed to offer high performance in 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 | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | Operating range | 2.7 | 5.5 | V | |
| Input Offset Voltage | VS = 5 V, TA = 25°C | ±150 | ±500 | µV | |
| Input Bias Current | TA = 25°C | ±0.5 | ±10 | pA | |
| Output Voltage Swing | RL = 10 kΩ, AOL ≥100 dB | 10 | 50 | mV | |
| Output Current | RL = 1 kΩ, AOL ≥100 dB | ±25 | ±40 | mA | |
| Bandwidth | TA = 25°C | 38 | MHz | ||
| Slew Rate | TA = 25°C | 22 | V/µs | ||
| Noise | TA = 25°C | 5 | nV/√Hz | ||
| Operating Temperature Range | –40 | 85 | °C |
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 (MSOP-8, SO-8, DIP-8)
- Single, Dual, and Quad Versions Available
- Low Crosstalk and Freedom from Interaction in Dual and Quad Designs
Applications
- Driving Sampling Analog-to-Digital (A/D) Converters
- Cell Phone PA Control Loops
- Video Processing (75-Ω drive capability)
- Audio Processing
- Communications
- Active Filters
- Test Equipment
- Data Acquisition
- Process Controls
Q & A
- What is the operating voltage range of the OPA2350UA?
The OPA2350UA operates on a single supply voltage ranging from 2.7 V to 5.5 V.
- What are the key features of the OPA2350UA?
The OPA2350UA features rail-to-rail input and output, wide bandwidth (38 MHz), high slew rate (22 V/µs), low noise (5 nV/√Hz), and low THD+Noise (0.0006%).
- What are the typical applications of the OPA2350UA?
The OPA2350UA is typically used in driving sampling A/D converters, cell phone PA control loops, video processing, audio processing, communications, active filters, test equipment, data acquisition, and process controls.
- What are the available package options for the OPA2350UA?
The OPA2350UA is available in MSOP-8, SO-8, and DIP-8 packages.
- What is the operating temperature range of the OPA2350UA?
The OPA2350UA operates over a temperature range of –40°C to 85°C.
- Is the OPA2350UA unity-gain stable?
Yes, the OPA2350UA is unity-gain stable.
- What is the input offset voltage of the OPA2350UA?
The input offset voltage of the OPA2350UA is typically ±150 µV and can be up to ±500 µV.
- How much output current can the OPA2350UA provide?
The OPA2350UA can provide an output current of ±25 mA to ±40 mA depending on the load.
- Is the OPA2350UA RoHS compliant?
Yes, the OPA2350UA is RoHS compliant.
- What is the noise level of the OPA2350UA?
The noise level of the OPA2350UA is 5 nV/√Hz.
