Overview
The ADA4177-2ARZ is a dual-channel precision operational amplifier produced by Analog Devices Inc. This high-performance op amp is designed for applications requiring low offset voltage, low noise, and robust input protection. The ADA4177-2ARZ features a rail-to-rail output and is suitable for a wide range of supply voltages, making it versatile for various precision amplification needs.
Key Specifications
| Parameter | Symbol | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Offset Voltage | Vos | 2 µV | - | µV |
| Input Bias Current | Ib | 1 nA | - | nA |
| Slew Rate | SR | 1.5 V/µs | - | V/µs |
| Gain Bandwidth Product | GBP | 3.5 MHz | - | MHz |
| Common Mode Rejection Ratio | CMRR | 130 dB | - | dB |
| Power Supply Rejection Ratio | PSRR | 145 dB | - | dB |
| Supply Current per Amplifier | ISY | 500 µA | 620 µA | µA |
| Output Current per Channel | IOUT | 25 mA | - | mA |
| Supply Voltage Range | V+ | ±2.5 V to ±18 V | - | V |
| Operating Temperature Range | TA | -40°C to +125°C | - | °C |
Key Features
- Low Offset Voltage and Drift: Typical offset voltage of 2 µV and maximum drift of 1 µV/°C, ensuring high precision over temperature variations.
- Low Input Bias Current: Input bias current of 1 nA, which is beneficial for high-impedance sources.
- Low Noise: Low input voltage noise density, making it suitable for noise-sensitive applications.
- Robust Input Protection: Input protection against signal excursions up to 32 V beyond either supply and 70 dB of EMI rejection at 1000 MHz.
- Rail-to-Rail Output: The amplifier can drive loads connected to the supply rails, enhancing its versatility.
- Low Power Consumption: Typical supply current of 500 µA per amplifier, making it energy-efficient.
- Wide Bandwidth and Slew Rate: Gain bandwidth product of 3.5 MHz and slew rate of 1.5 V/µs, suitable for high-speed applications.
Applications
- Sensor Signal Conditioning: Ideal for conditioning signals from various sensors due to its high precision and low noise characteristics.
- Medical Equipment: Suitable for medical devices requiring high accuracy and robustness.
- Industrial Automation: Used in industrial control systems where precise signal amplification is necessary.
- Aerospace and Defense: Applicable in aerospace and defense systems that require high reliability and precision.
- Test and Measurement Equipment: Employed in test and measurement instruments to ensure accurate signal amplification.
Q & A
- What is the typical input offset voltage of the ADA4177-2ARZ?
The typical input offset voltage is 2 µV.
- What is the maximum input bias current of the ADA4177-2ARZ?
The maximum input bias current is 1 nA.
- What is the gain bandwidth product of the ADA4177-2ARZ?
The gain bandwidth product is 3.5 MHz.
- What is the slew rate of the ADA4177-2ARZ?
The slew rate is 1.5 V/µs.
- What is the common mode rejection ratio (CMRR) of the ADA4177-2ARZ?
The CMRR is 130 dB.
- What is the power supply rejection ratio (PSRR) of the ADA4177-2ARZ?
The PSRR is 145 dB.
- What is the typical supply current per amplifier for the ADA4177-2ARZ?
The typical supply current per amplifier is 500 µA.
- What is the output current per channel of the ADA4177-2ARZ?
The output current per channel is 25 mA.
- What is the operating temperature range of the ADA4177-2ARZ?
The operating temperature range is -40°C to +125°C.
- Does the ADA4177-2ARZ have built-in input protection?
Yes, it has input protection against signal excursions up to 32 V beyond either supply and 70 dB of EMI rejection at 1000 MHz.
