Overview
The AD8669ARZ is a quad-channel, general-purpose operational amplifier produced by Analog Devices Inc. This device is part of the DigiTrim® series, known for its precision and low noise characteristics. The AD8669ARZ is designed for single-supply operation, supporting voltages from 5 V to 16 V, and is also compatible with dual-supply configurations from ±2.5 V to ±8 V. It features rail-to-rail output, making it suitable for a wide range of applications requiring high accuracy and stability.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | 18 | V | |||
| Input Offset Voltage | VCM = VSY/2 | 40 | 300 | 500 | µV |
| Input Bias Current | 0.3 | 120 | pA | ||
| Input Offset Current | 0.2 | 65 | pA | ||
| Input Voltage Range | 0.2 | 14.5 | V | ||
| Common-Mode Rejection Ratio (CMRR) | VCM = 0.2 V to 14.5 V | 87 | 109 | 95 | dB |
| Supply Current per Amplifier | VOUT = VSY/2 | 230 | 285 | 355 | µA |
| Slew Rate | RL = 2 kΩ | 0.3 | V/µs | ||
| Gain Bandwidth Product (GBP) | CL = 20 pF | 540 | kHz | ||
| Phase Margin | CL = 20 pF | 64 | Degrees | ||
| Voltage Noise Density | f = 1 kHz | 23 | nV/√Hz | ||
| Current Noise Density | f = 1 kHz | 0.05 | pA/√Hz | ||
| Operating Temperature | -40 | 125 | °C | ||
| Package / Case | 14-SOIC |
Key Features
- Low offset voltage: 40 µV maximum at VSY = 5 V
- Low supply current: 285 µA maximum per amplifier
- Single-supply operation: 5 V to 16 V, and dual-supply operation from ±2.5 V to ±8 V
- Low noise: 23 nV/√Hz voltage noise density at 1 kHz
- Low input bias current: 0.3 pA
- Rail-to-rail output
- Unity-gain stable
- High common-mode rejection ratio (CMRR): up to 109 dB
- Extended industrial temperature range: -40°C to +125°C
- DigiTrim® trimming technique for precision offset voltage adjustment
Applications
- Remote or wireless applications
- Signal conditioning circuits
- Industrial control systems
- Medical devices and equipment
- Aerospace and defense systems
- Automotive electronics
- Audio and video equipment
Q & A
- What is the input offset voltage of the AD8669ARZ?
The input offset voltage of the AD8669ARZ is 40 µV maximum at VSY = 5 V.
- What is the supply current per amplifier for the AD8669ARZ?
The supply current per amplifier is 285 µA maximum.
- What is the operating temperature range of the AD8669ARZ?
The operating temperature range is -40°C to +125°C.
- What is the gain bandwidth product (GBP) of the AD8669ARZ?
The gain bandwidth product (GBP) is 540 kHz.
- What is the slew rate of the AD8669ARZ?
The slew rate is 0.3 V/µs.
- What type of output does the AD8669ARZ have?
The AD8669ARZ has a rail-to-rail output.
- How many channels does the AD8669ARZ have?
The AD8669ARZ is a quad-channel operational amplifier.
- What is the common-mode rejection ratio (CMRR) of the AD8669ARZ?
The CMRR is up to 109 dB.
- What is the voltage noise density of the AD8669ARZ at 1 kHz?
The voltage noise density at 1 kHz is 23 nV/√Hz.
- Is the AD8669ARZ RoHS compliant?
Yes, the AD8669ARZ is RoHS compliant.
