Overview
The AD8619ARUZ, produced by Analog Devices Inc., is a quad, low-voltage, low-power CMOS operational amplifier. This device is part of the AD8613/AD8617/AD8619 family, known for its micropower consumption and low noise characteristics. It is designed for single-supply operation from 1.8 V to 5.5 V, making it suitable for a wide range of applications, particularly in battery-powered and portable instrumentation.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | −0.3 V < VCM < +5.3 V | 0.4 | 2.2 | 2.2 | mV |
| Offset Voltage Drift | ∆VOS/∆T | −40°C < TA < +125°C | 1 | 4.5 | 8.5 | μV/°C |
| Input Bias Current | IB | −40°C < TA < +85°C | 0.2 | 1 | 110 | pA |
| Input Offset Current | IOS | −40°C < TA < +85°C | 0.1 | 0.5 | 50 | pA |
| Input Voltage Range | IVR | 0 | 5 | V | ||
| Common-Mode Rejection Ratio | CMRR | 0 V < VCM < 5 V | 95 | 68 | dB | |
| Large Signal Voltage Gain | AVO | RL = 10 kΩ, 0.5 V < VO < 4.5 V | 235 | 500 | ||
| Output Voltage High | VOH | IL = 1 mA | 1.65 | 1.73 | 1.6 | V |
| Output Voltage Low | VOL | IL = 1 mA | 44 | 60 | mV |
Key Features
- Low Offset Voltage: Maximum of 2.2 mV.
- Low Input Bias Current: Maximum of 1 pA.
- Single-Supply Operation: From 1.8 V to 5.5 V.
- Low Noise: 22 nV/√Hz.
- Micropower Consumption: Maximum of 50 μA per amplifier.
- Rail-to-Rail Input and Output: Enables full swing at both input and output.
- Unity Gain Stable: Suitable for a variety of applications.
- Qualified for Automotive Applications: Robust performance across a wide temperature range.
Applications
- Battery-Powered Instrumentation: Ideal for portable and low-power systems.
- Multipole Filters: Used in filter circuits due to its low noise and high gain.
- Current Shunt Sense: Suitable for current sensing applications.
- Sensors: Used in sensor interfaces for low noise and high accuracy.
- ADC and DAC Drivers/Level Shifters: Buffers CMOS ADCs, DACs, and ASICs in low-power systems.
- Low Power ASIC Input or Output Amplifiers: Used in low-power ASIC designs.
Q & A
- What is the maximum offset voltage of the AD8619ARUZ?
The maximum offset voltage is 2.2 mV. - What is the input bias current of the AD8619ARUZ?
The input bias current is a maximum of 1 pA. - What is the operating voltage range for the AD8619ARUZ?
The device operates from 1.8 V to 5.5 V single supply or ±0.9 V and ±2.5 V dual supply. - What is the noise level of the AD8619ARUZ?
The noise level is 22 nV/√Hz. - Is the AD8619ARUZ suitable for automotive applications?
Yes, it is qualified for automotive applications and operates over a wide temperature range. - What are the typical applications of the AD8619ARUZ?
It is used in battery-powered instrumentation, multipole filters, current shunt sense, sensors, ADC and DAC drivers/level shifters, and low power ASIC input or output amplifiers. - What is the maximum supply current per amplifier for the AD8619ARUZ?
The maximum supply current per amplifier is 50 μA. - Does the AD8619ARUZ support rail-to-rail input and output?
Yes, it supports rail-to-rail input and output. - Is the AD8619ARUZ unity gain stable?
Yes, it is unity gain stable. - What is the common-mode rejection ratio (CMRR) of the AD8619ARUZ?
The CMRR is 95 dB at room temperature and 68 dB over the full temperature range.
