Overview
The AD8618ARU is a quad, rail-to-rail, input and output operational amplifier produced by Analog Devices Inc. This CMOS amplifier is designed for high precision and low power consumption, making it suitable for a wide range of applications. It operates on a single supply voltage from 2.7 V to 5.0 V and features very low offset voltage, low noise, and wide signal bandwidth. The AD8618ARU is particularly useful in applications requiring high accuracy and low power, such as portable instrumentation, audio amplification, and sensor interfaces.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Offset Voltage | 23 µV (max) | VCM = 0.5 V, VS = 3.5 V |
| Input Bias Current | 0.2 pA (max) | -40°C < TA < +85°C |
| Supply Voltage Range | 2.7 V to 5.0 V | |
| Bandwidth | >20 MHz | |
| Slew Rate | 12 V/µs | |
| Output Current | 150 mA (per channel) | |
| Supply Current | 1.7 mA (total for 4 channels) | |
| Operating Temperature Range | -40°C to +125°C | |
| Package Type | 14-TSSOP |
Key Features
- Low offset voltage: 23 µV maximum
- Single-supply operation: 2.7 V to 5.0 V
- Low noise: 8 nV/√Hz
- Wide bandwidth: >20 MHz
- High slew rate: 12 V/µs
- High output current: 150 mA per channel
- Low input bias current: 0.2 pA
- Low supply current: 1.7 mA total for 4 channels
- No phase reversal
- Unity-gain stable
Applications
- Portable and low-powered instrumentation
- Audio amplification for portable devices
- Barcode scanners
- Battery-powered instrumentation
- Multipole filters
- Sensors and high impedance sensor interfaces
- Photodiode amplification
- ASIC input or output amplifiers
Q & A
- What is the input offset voltage of the AD8618ARU?
The input offset voltage of the AD8618ARU is 23 µV maximum.
- What is the operating supply voltage range for the AD8618ARU?
The AD8618ARU operates on a single supply voltage from 2.7 V to 5.0 V.
- What is the bandwidth of the AD8618ARU?
The bandwidth of the AD8618ARU is greater than 20 MHz.
- What is the slew rate of the AD8618ARU?
The slew rate of the AD8618ARU is 12 V/µs.
- What is the maximum output current per channel for the AD8618ARU?
The maximum output current per channel for the AD8618ARU is 150 mA.
- What is the typical supply current for the AD8618ARU?
The typical supply current for the AD8618ARU is 1.7 mA total for 4 channels.
- What is the operating temperature range for the AD8618ARU?
The operating temperature range for the AD8618ARU is -40°C to +125°C.
- What package type is the AD8618ARU available in?
The AD8618ARU is available in a 14-TSSOP package.
- What are some common applications for the AD8618ARU?
Common applications include portable instrumentation, audio amplification, barcode scanners, battery-powered instrumentation, multipole filters, sensors, and photodiode amplification.
- Is the AD8618ARU unity-gain stable?
Yes, the AD8618ARU is unity-gain stable.
