Overview
The OPA4277MDTEP is a high-precision operational amplifier produced by Texas Instruments, designed for applications requiring exceptional accuracy and stability. This quad-channel amplifier is part of the OPAx277 series, which is known for its ultra-low offset voltage and drift, high open-loop gain, and excellent common-mode rejection. The OPA4277MDTEP is particularly suited for use in industrial, medical, and test equipment where precision is critical. Its robust design and advanced features make it a competitive choice in the market for high-performance operational amplifiers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Amplifier Type | General Purpose | - | - |
| Circuit Count | 4 | - | - |
| Slew Rate | 0.8 | V/µs | - |
| Gain Bandwidth Product | 1 | MHz | - |
| Input Bias Current | 500 | pA | - |
| Input Offset Voltage | 20 | µV | - |
| Supply Current | 790 | µA | - |
| Output Current per Channel | 35 | mA | - |
| Supply Voltage | ±2 to ±18 | V | - |
| Operating Temperature | -55 to 125 | °C | - |
| Package | 14-SOIC | - | Surface Mount |
Key Features
- Ultra-low offset voltage of 10µV and temperature drift of ±0.1µV/°C ensure high precision.
- High open-loop gain (134dB) and common-mode rejection (140dB) enhance signal integrity.
- Wide supply voltage range (±2V to ±18V) offers flexibility in various applications.
- Low quiescent current (800µA per amplifier) improves power efficiency.
- Available in single, dual, and quad-channel versions for diverse design needs.
Applications
The OPA4277MDTEP is widely used in precision analog circuits, including analog input modules, weigh scales, temperature transmitters, and pressure transducers. It is also suitable for data acquisition systems, laboratory and field instruments, and battery testing equipment. Its high accuracy and stability make it ideal for applications requiring low noise and high reliability.
Q & A
1. What is the input offset voltage of the OPA4277MDTEP?
The input offset voltage is 20µV.
2. What is the supply voltage range for this amplifier?
The supply voltage range is ±2V to ±18V.
3. How many channels does the OPA4277MDTEP have?
It is a quad-channel amplifier.
4. What is the operating temperature range?
The operating temperature range is -55°C to 125°C.
5. What is the gain bandwidth product of this amplifier?
The gain bandwidth product is 1MHz.
6. Is the OPA4277MDTEP suitable for battery testing applications?
Yes, its high precision and low noise make it ideal for battery testing.
7. What is the package type of the OPA4277MDTEP?
It comes in a 14-SOIC surface-mount package.
8. What is the typical quiescent current per amplifier?
The typical quiescent current is 800µA per amplifier.
9. Can this amplifier be used in industrial applications?
Yes, it is well-suited for industrial applications due to its high precision and reliability.
10. Does the OPA4277MDTEP require external trimming?
No, its ultra-low offset voltage typically eliminates the need for external trimming.
