Overview
The AD8665ARZ-REEL is a high-performance operational amplifier (Op Amp) produced by Analog Devices Inc. This component is part of the AD8665/AD8666/AD8668 family, known for its low noise, high bandwidth, and rail-to-rail output. It is designed to operate in a wide range of applications, including industrial, medical, and automotive systems, due to its robust specifications and reliability.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 5 | 16 | V | ||
| Input Voltage | GND to VDD | V | ||||
| Differential Input Voltage | ±18 | V | ||||
| Offset Voltage | VOS | VCM = 8 V | 0.6 | 2.5 | mV | |
| Input Bias Current | IB | 0.2 | 1 | pA | ||
| Supply Current per Amplifier | ISY | 1.15 | 1.55 | mA | ||
| Slew Rate | SR | RL = 2 kΩ | 3.5 | V/μs | ||
| Gain Bandwidth Product | GBP | 4 | MHz | |||
| Phase Margin | ΦM | 73 | Degrees | |||
| Voltage Noise Density | en | f = 10 kHz | 8 | nV/√Hz | ||
| Operating Temperature Range | TA | -40 | 125 | °C |
Key Features
- Low offset voltage: 2.5 mV max
- Low input bias current: 1 pA max
- Single-supply operation: 5 V to 16 V and dual-supply operation: ±2.5 V to ±8 V
- Low noise: 8 nV/√Hz at 10 kHz
- Wide bandwidth: 4 MHz
- Rail-to-rail output
- High phase margin: 73 degrees
- High channel separation: -115 dB at 10 kHz
Applications
The AD8665ARZ-REEL is suitable for a variety of applications, including:
- Industrial control systems
- Medical devices
- Automotive systems (with the AD8666W/AD8668W models)
- Audio and video equipment
- Instrumentation and measurement systems
Q & A
- What is the maximum supply voltage for the AD8665ARZ-REEL?
The maximum supply voltage is 16 V. - What is the typical input bias current of the AD8665ARZ-REEL?
The typical input bias current is 1 pA. - What is the gain bandwidth product of the AD8665ARZ-REEL?
The gain bandwidth product is 4 MHz. - What is the operating temperature range of the AD8665ARZ-REEL?
The operating temperature range is -40°C to +125°C. - Does the AD8665ARZ-REEL support rail-to-rail output?
Yes, it supports rail-to-rail output. - What is the voltage noise density at 10 kHz for the AD8665ARZ-REEL?
The voltage noise density at 10 kHz is 8 nV/√Hz. - Is the AD8665ARZ-REEL suitable for automotive applications?
Yes, the AD8666W/AD8668W models are qualified for automotive applications. - What is the phase margin of the AD8665ARZ-REEL?
The phase margin is 73 degrees. - What is the channel separation at 10 kHz for the AD8665ARZ-REEL?
The channel separation at 10 kHz is -115 dB. - What is the typical slew rate of the AD8665ARZ-REEL?
The typical slew rate is 3.5 V/μs.
