Overview
The Texas Instruments OPA330AIYFFR is a precision operational amplifier from the OPA330 series, known for its high performance and competitive pricing. This single-channel amplifier is part of the Zero-Drift family, utilizing a proprietary auto-calibration technique to achieve low offset voltage and near-zero drift over time and temperature. It is optimized for low-voltage operation, making it suitable for a wide range of applications, including battery-powered instruments, temperature measurements, and transducer applications.
Key Specifications
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | 8 | 50 | µV | ||
| Input Offset Voltage Drift (dVOS/dT) | 0.02 | 0.25 | µV/°C | ||
| Input Bias Current (IB) | ±200 | ±500 | pA | ||
| Input Offset Current (IOS) | ±400 | ±1000 | pA | ||
| Supply Voltage Range (VS) | 1.8 | 5.5 | V | ||
| Quiescent Current Per Amplifier (IQ) | 21 | 35 | µA | ||
| Gain-Bandwidth Product (GBW) | 350 | kHz | |||
| Slew Rate (SR) | 0.16 | V/µs | |||
| Common-Mode Voltage Range (VCM) | (V–) – 0.1 to (V+) + 0.1 | V | |||
| Common-Mode Rejection Ratio (CMRR) | 100 | 115 | dB | ||
| Package | DSBGA-5 |
Key Features
- Rail-to-Rail Input and Output: The OPA330AIYFFR features rail-to-rail input and output, enhancing its versatility in various applications.
- Internal EMI Filtering: This amplifier includes internal EMI filtering, reducing the impact of electromagnetic interference and making it easier to design into systems.
- Low Offset Voltage and Drift: Utilizing a proprietary auto-calibration technique, the OPA330AIYFFR achieves low offset voltage (50µV max) and near-zero drift over time and temperature.
- Low-Voltage Operation: The device is optimized for low-voltage operation, supporting supply voltages from 1.8V to 5.5V.
- MicroSize Packages: Available in compact packages such as DSBGA, SC70, and SOT23, making it suitable for space-constrained designs.
- Unity-Gain Stable: The amplifier is unity-gain stable and free from unexpected output and phase reversal.
Applications
- Battery-Powered Instruments: Ideal for devices that operate directly from battery power without regulation.
- Temperature Measurements: Suitable for precision temperature measurement applications due to its low drift and offset characteristics.
- Transducer Applications: Used in transducer applications where high precision and low noise are critical.
- Electronic Scales: Applicable in electronic scales and other precision measurement instruments.
- Medical Instrumentation: Suitable for medical devices requiring high precision and reliability.
- Handheld Test Equipment: Used in handheld test equipment where low power consumption and high precision are essential.
Q & A
- What is the input offset voltage of the OPA330AIYFFR?
The input offset voltage is 50µV maximum.
- What is the supply voltage range for the OPA330AIYFFR?
The supply voltage range is from 1.8V to 5.5V.
- What is the gain-bandwidth product of the OPA330AIYFFR?
The gain-bandwidth product is 350kHz.
- What is the slew rate of the OPA330AIYFFR?
The slew rate is 0.16V/µs.
- What are the common applications of the OPA330AIYFFR?
Common applications include battery-powered instruments, temperature measurements, transducer applications, electronic scales, and medical instrumentation.
- What package types are available for the OPA330AIYFFR?
The OPA330AIYFFR is available in a DSBGA-5 package.
- Does the OPA330AIYFFR have internal EMI filtering?
Yes, the OPA330AIYFFR includes internal EMI filtering.
- What is the quiescent current per amplifier for the OPA330AIYFFR?
The quiescent current per amplifier is 21µA to 35µA.
- Is the OPA330AIYFFR unity-gain stable?
Yes, the OPA330AIYFFR is unity-gain stable and free from unexpected output and phase reversal.
- What is the common-mode rejection ratio (CMRR) of the OPA330AIYFFR?
The CMRR is 100dB to 115dB.
