Overview
The ADA4177-1ARZ-RL, produced by Analog Devices Inc., is a single-channel operational amplifier known for its high precision and robust performance. This amplifier is part of the ADA4177 series, which includes single-channel, dual-channel, and quad-channel variants. The ADA4177-1ARZ-RL is distinguished by its low offset voltage, low input bias current, low noise, and low current consumption, making it suitable for a wide range of applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | Vos | - | 2 µV | 60 µV | - |
| Input Offset Voltage Drift | TCVos | - | - | 1 µV/°C | - |
| Input Bias Current | Ib | - | - | 1 nA | - |
| Supply Current per Amplifier | ISY | - | 500 µA | 620 µA | - |
| Supply Voltage Range | Vs | ±2.5 V | - | ±18 V | - |
| Slew Rate | SR | - | 1.5 V/µs | - | - |
| Gain Bandwidth Product | GBP | - | 3.5 MHz | - | - |
| Output Current | IOUT | - | - | 25 mA | - |
| Operating Temperature Range | Ta | -40°C | - | 125°C | - |
Key Features
- Low Offset Voltage and Drift: The ADA4177-1ARZ-RL features a low offset voltage of 2 µV typical and a drift of 1 µV/°C maximum, ensuring high precision over temperature variations.
- Low Input Bias Current: With an input bias current of 1 nA maximum, this amplifier is suitable for applications requiring minimal input current.
- Low Noise: The amplifier has a low voltage noise density of 8 nV/√Hz typical at 1 kHz, making it ideal for noise-sensitive applications.
- Low Current Consumption: It operates with a supply current of 500 µA typical per amplifier, which is beneficial for power-sensitive designs.
- Input Overvoltage Protection: The inputs are protected against signal excursions up to 32 V beyond the supply voltage rails.
- EMI Rejection: The amplifier includes integrated EMI filters providing 70 dB of rejection at 1000 MHz and 90 dB at 2400 MHz.
- Rail-to-Rail Output Swing: The output is capable of swinging to within 1 V of the supply rails, maximizing the dynamic range.
- Unity-Gain Stable and No Phase Reversal: The amplifier is stable at unity gain and does not exhibit phase reversal, ensuring reliable operation in various configurations.
Applications
- Sensor Signal Conditioning: Ideal for conditioning signals from sensors such as thermocouples, RTDs, strain gages, and shunt current measurements.
- Instrumentation: Suitable for use in precision instrumentation due to its high accuracy and low noise characteristics.
- Wireless Base Station Control Circuits: Used in control circuits for wireless base stations where precision and reliability are critical.
- Optical Network Control Circuits: Applied in optical network control circuits requiring high precision and stability.
Q & A
- What is the typical input offset voltage of the ADA4177-1ARZ-RL?
The typical input offset voltage is 2 µV.
- What is the maximum input bias current of the ADA4177-1ARZ-RL?
The maximum input bias current is 1 nA.
- What is the supply current per amplifier for the ADA4177-1ARZ-RL?
The supply current per amplifier is 500 µA typical.
- What is the gain bandwidth product of the ADA4177-1ARZ-RL?
The gain bandwidth product is 3.5 MHz typical.
- Does the ADA4177-1ARZ-RL have input overvoltage protection?
Yes, it has input overvoltage protection up to 32 V beyond the supply voltage rails.
- What is the EMI rejection capability of the ADA4177-1ARZ-RL?
The amplifier provides 70 dB of EMI rejection at 1000 MHz and 90 dB at 2400 MHz.
- Is the ADA4177-1ARZ-RL unity-gain stable?
Yes, it is unity-gain stable and does not exhibit phase reversal.
- What is the operating temperature range of the ADA4177-1ARZ-RL?
The operating temperature range is from -40°C to 125°C.
- What are some common applications of the ADA4177-1ARZ-RL?
Common applications include sensor signal conditioning, instrumentation, wireless base station control circuits, and optical network control circuits.
- Is the ADA4177-1ARZ-RL RoHS compliant?
Yes, the ADA4177-1ARZ-RL is RoHS compliant.
