Overview
The AD8664ARZ is a rail-to-rail output, single-supply operational amplifier manufactured by Analog Devices Inc. It utilizes the patented DigiTrim® trimming technique to achieve low offset voltage. This amplifier is known for its extended operating ranges, with supply voltages up to 16V, and features low input bias current, wide signal bandwidth, and low input voltage and current noise. These characteristics make the AD8664ARZ suitable for a variety of applications, including those typically associated with higher-priced JFET amplifiers.
Key Specifications
| Parameter | Value |
|---|---|
| Amplifier Type | General Purpose |
| Number of Circuits | 4 |
| Output Type | Rail-to-Rail |
| Slew Rate | 3.5 V/µs |
| Gain Bandwidth Product | 4MHz |
| Input Bias Current | 0.3 pA |
| Input Offset Voltage | 50 µV |
| Supply Voltage | 5 V to 16 V |
| Supply Current | 1.25 mA |
| Output Current per Channel | 140 mA |
| Operating Temperature | -40°C to 125°C |
| Package | 14-SOIC (0.154", 3.90mm Width) |
Key Features
- Low offset voltage achieved through DigiTrim® trimming technique
- Low input bias current and low input voltage and current noise
- Wide signal bandwidth and high slew rate of 3.5 V/µs
- Single supply operation with a range from 5V to 16V
- Rail-to-rail output and unity gain stability
- Low supply current of 1.25 mA per amplifier
- Operating temperature range from -40°C to 125°C
Applications
The AD8664ARZ is suitable for various applications, including:
- Sensors and high impedance sensor systems, such as photodiodes
- Medical equipment
- Consumer audio
- Photodiode amplification
- ADC drivers
Q & A
- What is the input bias current of the AD8664ARZ?
The input bias current is 0.3 pA.
- What is the gain bandwidth product of the AD8664ARZ?
The gain bandwidth product is 4MHz.
- What is the slew rate of the AD8664ARZ?
The slew rate is 3.5 V/µs.
- What is the supply voltage range for the AD8664ARZ?
The supply voltage range is from 5V to 16V.
- What is the operating temperature range for the AD8664ARZ?
The operating temperature range is from -40°C to 125°C.
- What type of package does the AD8664ARZ come in?
The AD8664ARZ comes in a 14-SOIC package.
- What are some typical applications for the AD8664ARZ?
Typical applications include sensors, medical equipment, consumer audio, photodiode amplification, and ADC drivers.
- What is the output current per channel for the AD8664ARZ?
The output current per channel is 140 mA.
- Is the AD8664ARZ unity gain stable?
- What is the input offset voltage of the AD8664ARZ?
The input offset voltage is 50 µV.
