Overview
The ADA4177-4ARZ is a quad-channel operational amplifier produced by Analog Devices Inc. This general-purpose amplifier is renowned for its low offset voltage, low input bias current, low noise, and low current consumption. It is designed to provide high precision and robustness, making it suitable for a wide range of applications.
The ADA4177-4ARZ operates over a dual-supply voltage range of ±2.5 V to ±18 V and is unity-gain stable, with no phase reversal. It features rail-to-rail output swing and can handle capacitive loads of more than 1000 pF without external compensation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage | VOS | 2 | 3 | 120 | μV |
| Offset Voltage Drift | TCVOS | 1 | μV/°C | ||
| Input Bias Current | IB | -1 | -0.4 | +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 | ||
| Output Current | IOUT | 25 | mA | ||
| Operating Temperature Range | TA | -40 | 125 | °C | |
| Supply Voltage Range | VSY | ±2.5 | ±18 | V |
Key Features
- Low offset voltage: 2 μV typical, with a drift of 1 μV/°C maximum.
- Low input bias current: -0.4 nA typical.
- Low noise and low current consumption: 500 μA typical per amplifier.
- Rail-to-rail output swing and stable operation with capacitive loads over 1000 pF without external compensation.
- Input protection against signal excursions up to 32 V beyond the supply voltage rail.
- Integrated EMI filter with 70 dB typical rejection at 1000 MHz.
- Dual-supply operation: specified at ±5 V to ±15 V, operates over ±2.5 V to ±18 V.
- Unity-gain stable with no phase reversal.
Applications
- Sensor signal conditioning for thermocouples, RTDs, strain gages, and shunt current measurements.
- Wireless base station control circuits.
- Optical network control circuits.
- Instrumentation and control systems.
Q & A
- What is the typical offset voltage of the ADA4177-4ARZ?
The typical offset voltage is 2 μV to 3 μV.
- What is the input bias current of the ADA4177-4ARZ?
The input bias current is typically -0.4 nA.
- What is the supply current per amplifier for the ADA4177-4ARZ?
The supply current per amplifier is typically 500 μA.
- What is the slew rate of the ADA4177-4ARZ?
The slew rate is typically 1.5 V/μs.
- What is the gain bandwidth product of the ADA4177-4ARZ?
The gain bandwidth product is typically 3.5 MHz.
- What is the operating temperature range of the ADA4177-4ARZ?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the ADA4177-4ARZ?
The supply voltage range is ±2.5 V to ±18 V.
- Does the ADA4177-4ARZ have built-in EMI protection?
Yes, it has an integrated EMI filter with 70 dB typical rejection at 1000 MHz.
- Is the ADA4177-4ARZ unity-gain stable?
Yes, it is unity-gain stable with no phase reversal.
- What are some common applications for the ADA4177-4ARZ?
Common applications include sensor signal conditioning, wireless base station control circuits, optical network control circuits, and instrumentation and control systems.
