Overview
The ADA4177-1ARZ, produced by Analog Devices Inc., is a precision, low noise, and low bias current operational amplifier. This single-channel op-amp is part of the ADA4177 family, which includes dual-channel (ADA4177-2) and quad-channel (ADA4177-4) versions. The ADA4177-1ARZ is known for its high precision, robust input protection, and low power consumption, making it suitable for a variety of applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Input Offset Voltage | Vos | - | - | 2 µV | 60 µV | V |
| Input Offset Voltage Drift | - | - | - | 1 µV/°C | - | °C |
| Input Bias Current | Ib | - | - | 300 pA | - | A |
| Supply Voltage | Vs | - | ±2.5 V | - | ±18 V | V |
| Supply Current per Amplifier | ISY | VOUT = 0 V | 500 µA | 560 µA | 620 µA | A |
| Slew Rate | SR | RL = 2 kΩ | - | 1.5 V/µs | - | V/µs |
| Gain Bandwidth Product | GBP | VIN = 10 mV p-p, RL = 2 kΩ, AV = 100 | - | 3.5 MHz | - | Hz |
| Output Current | IOUT | VDROPOUT < 1 V | - | - | 25 mA | A |
| Operating Temperature | TA | - | -40°C | - | 125°C | °C |
Key Features
- Low Offset Voltage and Drift: The ADA4177-1ARZ features a low input offset voltage of 2 µV typical and a drift of 1 µV/°C maximum, ensuring high precision over a wide temperature range.
- Low Input Bias Current: With an input bias current of 300 pA, this op-amp minimizes the impact of input current on the circuit.
- Low Noise and Low Current Consumption: The op-amp has low noise characteristics and consumes only 500 µA of supply current per amplifier, making it power-efficient.
- Robust Input Protection: The inputs are protected against signal excursions up to 32 V beyond either supply and offer 70 dB of rejection for electromagnetic interference (EMI) at 1000 MHz.
- Stable with Capacitive Loads: The outputs are stable with capacitive loads of more than 1000 pF without requiring external compensation.
- Rail-to-Rail Output: The ADA4177-1ARZ provides rail-to-rail output, allowing the output voltage to swing close to the supply rails.
- Lead-Free and RoHS Compliant: The device is lead-free and RoHS compliant, making it suitable for use in environmentally friendly designs.
Applications
- Sensor Signal Conditioning: The high precision and low noise characteristics make the ADA4177-1ARZ ideal for sensor signal conditioning applications.
- Medical Devices: Its robust input protection and low bias current make it suitable for medical devices where signal integrity is critical.
- Industrial Automation: The op-amp's stability with capacitive loads and its ability to operate over a wide temperature range make it a good choice for industrial automation applications.
- Aerospace and Defense: The device's high precision and reliability are beneficial in aerospace and defense applications where accuracy and robustness are paramount.
Q & A
- What is the typical input offset voltage of the ADA4177-1ARZ?
The typical input offset voltage is 2 µV.
- What is the input bias current of the ADA4177-1ARZ?
The input bias current is 300 pA.
- What is the supply voltage range for the ADA4177-1ARZ?
The supply voltage range is ±2.5 V to ±18 V.
- What is the slew rate of the ADA4177-1ARZ?
The slew rate is 1.5 V/µs.
- Is the ADA4177-1ARZ stable with capacitive loads?
Yes, it is stable with capacitive loads of more than 1000 pF without external compensation.
- What is the operating temperature range of the ADA4177-1ARZ?
The operating temperature range is -40°C to 125°C.
- Is the ADA4177-1ARZ RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What are some common applications for the ADA4177-1ARZ?
Common applications include sensor signal conditioning, medical devices, industrial automation, and aerospace and defense.
- How much current does the ADA4177-1ARZ consume?
The supply current per amplifier is typically 500 µA.
- Does the ADA4177-1ARZ have rail-to-rail output?
Yes, it provides rail-to-rail output.
