Overview
The AD8608ARZ, produced by Analog Devices Inc., is a quad rail-to-rail input and output, single-supply operational amplifier. This amplifier is part of the AD8605, AD8606, and AD8608 family, known for their high performance and versatility. The AD8608ARZ is designed to operate from a single power supply ranging from 2.7 V to 5.5 V, making it suitable for a variety of applications, including battery-powered devices and systems requiring low power consumption.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | VS = 3.5 V, VCM = 2.7 V | 20 | 75 | 300 | µV |
| Input Bias Current | IB | −40°C < TA < +85°C | 0.2 | 1 | 100 | pA |
| Input Offset Current | IOS | −40°C < TA < +85°C | 0.1 | 0.5 | 20 | pA |
| Input Voltage Range | 0 to 2.7 V | V | ||||
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 2.7 V | 70 | 85 | 95 | dB |
| Large Signal Voltage Gain | AVO | RL = 2 kΩ, VO = 0.5 V to 2.2 V | 110 | 350 | V/mV | |
| Output Voltage High | VOH | IL = 1 mA | 4.6 | 4.98 | V | |
| Output Voltage Low | VOL | IL = 1 mA | 20 | 40 | mV | |
| Unity Gain Bandwidth Product | GBP | 10 | MHz | |||
| Phase Margin | ΦM | 65 | Degrees |
Key Features
- Rail-to-rail input and output capability, allowing the amplifier to operate with input and output signals that range from the negative to the positive supply rail.
- Very low offset voltage: up to 75 µV maximum.
- Low input bias currents: up to 1 pA maximum.
- Low noise: 8 nV/√Hz voltage noise density at 1 kHz.
- Wide bandwidth: 10 MHz unity gain bandwidth product.
- High open-loop gain: 1000 V/mV.
- Single-supply operation: 2.7 V to 5.5 V.
- Compact packaging: available in 14-lead SOIC and 14-lead TSSOP packages.
Applications
- Photodiode amplification
- Battery-powered instrumentation
- Multipole filters
- Sensors
- Barcode scanners
- Audio applications
Q & A
- What is the operating voltage range of the AD8608ARZ? The AD8608ARZ operates from a single power supply ranging from 2.7 V to 5.5 V.
- What is the maximum offset voltage of the AD8608ARZ? The maximum offset voltage is up to 75 µV.
- What is the input bias current of the AD8608ARZ? The input bias current is up to 1 pA maximum.
- What is the unity gain bandwidth product of the AD8608ARZ? The unity gain bandwidth product is 10 MHz.
- Is the AD8608ARZ suitable for battery-powered devices? Yes, it is suitable due to its low power consumption and single-supply operation.
- What are the common applications of the AD8608ARZ? Common applications include photodiode amplification, battery-powered instrumentation, multipole filters, sensors, barcode scanners, and audio applications.
- What is the phase margin of the AD8608ARZ? The phase margin is 65 degrees.
- What is the common-mode rejection ratio (CMRR) of the AD8608ARZ? The CMRR is between 70 dB and 95 dB.
- Is the AD8608ARZ available in different package types? Yes, it is available in 14-lead SOIC and 14-lead TSSOP packages.
- What is the slew rate of the AD8608ARZ? The slew rate is not explicitly specified for the AD8608 but is typically around the values of its counterparts in the series.
