Overview
The AD8619ARZ from Analog Devices Inc. is a quad-channel, rail-to-rail input and output operational amplifier designed for low-power, low-noise applications. This CMOS-based amplifier is particularly suited for use in single-supply systems, operating over a voltage range of 1.8V to 5.5V. It features low input bias current, high common-mode rejection ratio (CMRR), and a gain bandwidth product of 400 kHz. The AD8619ARZ is unity gain stable and does not exhibit phase reversal, making it ideal for a variety of precision electronics applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 4 | |
| Amplifier Type | CMOS | |
| Output Type | Rail-to-Rail | |
| Slew Rate | 0.1 V/μs | V/μs |
| Gain Bandwidth Product | 400 kHz | kHz |
| Input Bias Current | 0.2 pA | pA |
| Input Offset Voltage | 2.2 mV | mV |
| Supply Current per Channel | 38 μA | μA |
| Supply Voltage Range | 1.8 V to 5.5 V | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | 14-lead SOIC-N |
Key Features
- Rail-to-rail input and output operation
- Four independent amplifier channels
- High common-mode rejection ratio (CMRR)
- Low power consumption: 50 μA/amplifier maximum over temperature
- Low noise: 22 nV/√Hz
- No phase reversal, unity gain stable
- Low input bias current: 1 pA maximum
- Slew rate of 0.1 V/μs
- Qualified for automotive applications
Applications
- Data acquisition systems
- Sensor interfaces
- Medical instruments and devices
- Industrial control and automation systems
- Automotive electronics
- Battery-powered instrumentation
- Multipole filters
- Current shunt sense
- ADC predrivers and DAC drivers/level shifters
- Low power ASIC input or output amplifiers
Q & A
- Q: What is the operating voltage range of the AD8619ARZ?
A: The AD8619ARZ operates over a voltage range of 1.8V to 5.5V. - Q: How many channels does the AD8619ARZ have?
A: The AD8619ARZ has four independent amplifier channels. - Q: What is the slew rate of the AD8619ARZ?
A: The slew rate of the AD8619ARZ is 0.1 V/μs. - Q: What is the gain bandwidth product of the AD8619ARZ?
A: The gain bandwidth product of the AD8619ARZ is 400 kHz. - Q: What is the input bias current of the AD8619ARZ?
A: The input bias current of the AD8619ARZ is 1 pA maximum. - Q: Is the AD8619ARZ suitable for automotive applications?
A: Yes, the AD8619ARZ is qualified for automotive applications. - Q: What is the operating temperature range of the AD8619ARZ?
A: The AD8619ARZ operates over a temperature range of -40°C to +125°C. - Q: What package type is the AD8619ARZ available in?
A: The AD8619ARZ is available in a 14-lead SOIC-N package. - Q: What are some common applications of the AD8619ARZ?
A: Common applications include data acquisition systems, sensor interfaces, medical instruments, industrial control systems, and automotive electronics. - Q: Does the AD8619ARZ exhibit phase reversal?
A: No, the AD8619ARZ does not exhibit phase reversal and is unity gain stable.
