Overview
The ADA4177-2ARZ-RL, produced by Analog Devices Inc., is a dual-channel operational amplifier designed for high precision and robust performance. This amplifier features low offset voltage, low input bias current, and low noise, making it suitable for a variety of applications requiring precise signal amplification. The ADA4177-2ARZ-RL operates over a wide supply voltage range of ±2.5 V to ±18 V and is stable with capacitive loads of more than 1000 pF without external compensation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 2 | 60 | 120 | µV |
| Offset Voltage Drift | ΔVOS/ΔT | 1 | 1.6 | µV/°C | |
| Input Bias Current | IB | -1 | -0.3 | +1 | nA |
| Supply Current per Amplifier | ISY | 500 | 560 | 620 | µA |
| Slew Rate | SR | 1.5 | V/µs | ||
| Gain Bandwidth Product | GBP | 3.5 | MHz | ||
| Unity-Gain Crossover | UGC | 3.5 | MHz | ||
| Output Voltage High | VOH | 4.95 | 4.80 | V | |
| Output Voltage Low | VOL | -4.95 | -4.80 | V | |
| EMI Rejection | EMIR | 70 | dB @ 1000 MHz |
Key Features
- Low Offset Voltage: 2 µV typical, with a maximum of 60 µV at 25°C.
- Low Input Bias Current: -1 nA to +1 nA.
- Low Noise: Voltage noise density of 10 nV/√Hz at 10 Hz and 8 nV/√Hz at 1 kHz.
- Low Current Consumption: 500 µA typical per amplifier.
- Rail-to-Rail Output Swing: Stable with capacitive loads of more than 1000 pF without external compensation.
- Input Overvoltage Protection: Up to 32 V beyond the supply voltage rail.
- EMI Rejection: 70 dB typical rejection at 1000 MHz and 90 dB at 2400 MHz.
- Wide Bandwidth: Gain bandwidth product of 3.5 MHz typical and unity-gain crossover of 3.5 MHz.
Applications
- Sensor Signal Conditioning: Suitable for thermocouples, RTDs, strain gages, and shunt current measurements.
- Wireless Base Station Control Circuits: Used in wireless communication systems.
- Optical Network Control Circuits: Applied in optical communication systems.
- Instrumentation: Used in various instrumentation applications requiring high precision and low noise).
Q & A
- What is the typical offset voltage of the ADA4177-2ARZ-RL?
The typical offset voltage is 2 µV.
- What is the input bias current range of the ADA4177-2ARZ-RL?
The input bias current ranges from -1 nA to +1 nA).
- What is the supply current per amplifier for the ADA4177-2ARZ-RL?
The supply current per amplifier is typically 500 µA).
- Does the ADA4177-2ARZ-RL have rail-to-rail output swing?
Yes, it features rail-to-rail output swing).
- What is the EMI rejection capability of the ADA4177-2ARZ-RL?
The ADA4177-2ARZ-RL has a typical EMI rejection of 70 dB at 1000 MHz and 90 dB at 2400 MHz).
- What is the gain bandwidth product of the ADA4177-2ARZ-RL?
The gain bandwidth product is typically 3.5 MHz).
- What are some common applications of the ADA4177-2ARZ-RL?
Common applications include sensor signal conditioning, wireless base station control circuits, optical network control circuits, and instrumentation).
- Does the ADA4177-2ARZ-RL have input overvoltage protection?
Yes, it provides input protection against signal excursions up to 32 V beyond either supply).
- What is the operating temperature range of the ADA4177-2ARZ-RL?
The operating temperature range is from -40°C to +125°C).
- Is the ADA4177-2ARZ-RL stable with capacitive loads?
Yes, it is stable with capacitive loads of more than 1000 pF without external compensation).
