Overview
The AD8618ARZ from Analog Devices Inc. is a quad-channel, rail-to-rail, input and output, single-supply operational amplifier. It is known for its very low offset voltage, wide signal bandwidth, and low input voltage and current noise. The AD8618ARZ uses a patented trimming technique to achieve superior precision without the need for laser trimming. This amplifier is fully specified to operate from 2.7 V to 5 V single supplies, making it versatile for a variety of applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Offset Voltage | 23 μV | μV |
| Single-Supply Operation | 2.7 V to 5 V | V |
| Voltage Noise Density | 7 nV/√Hz (at f = 10 kHz) | nV/√Hz |
| Slew Rate | 12 V/μs (at RL = 2 kΩ) | V/μs |
| High Output Current | 150 mA | mA |
| Input Bias Current | 0.2 pA | pA |
| Supply Current per Amplifier | 1.7 mA | mA |
| Operating Temperature | –40°C to +125°C | °C |
| Package Style | 14-lead SOIC-N |
Key Features
- Very low offset voltage: 23 μV typical
- Single-supply operation: 2.7 V to 5 V
- Low noise: 7 nV/√Hz at 10 kHz
- Wide bandwidth: >20 MHz
- High slew rate: 12 V/μs
- High output current: 150 mA
- Unity-gain stable, no phase reversal
- Low input bias current: 0.2 pA
- Low supply current: 1.7 mA per amplifier
- Rail-to-rail input and output swing
Applications
- Barcode scanners
- Battery-powered instrumentation
- Multipole filters
- Sensors
- ASIC input or output amplifiers
- Audio amplification
- Photodiode amplification
- Portable and low-powered instrumentation
- Audio line drivers and other low impedance applications
Q & A
- What is the typical input offset voltage of the AD8618ARZ?
The typical input offset voltage is 23 μV.
- What is the operating voltage range for the AD8618ARZ?
The AD8618ARZ operates from 2.7 V to 5 V single supplies.
- What is the slew rate of the AD8618ARZ?
The slew rate is 12 V/μs at a load resistance of 2 kΩ.
- What is the maximum output current of the AD8618ARZ?
The maximum output current is 150 mA.
- Is the AD8618ARZ unity-gain stable?
Yes, the AD8618ARZ is unity-gain stable and does not exhibit phase reversal.
- What is the typical input bias current of the AD8618ARZ?
The typical input bias current is 0.2 pA.
- What is the supply current per amplifier for the AD8618ARZ?
The supply current per amplifier is typically 1.7 mA.
- What is the operating temperature range for the AD8618ARZ?
The operating temperature range is –40°C to +125°C.
- In what package is the AD8618ARZ available?
The AD8618ARZ is available in a 14-lead SOIC-N package.
- What are some common applications of the AD8618ARZ?
Common applications include barcode scanners, battery-powered instrumentation, multipole filters, sensors, ASIC input or output amplifiers, audio amplification, and photodiode amplification.
