Overview
The AD8604ARQZ is a quad precision CMOS operational amplifier produced by Analog Devices Inc. This device is part of the AD860x series, which features single-supply, rail-to-rail input and output operational amplifiers. The AD8604ARQZ is known for its high precision, low noise, and wide bandwidth, making it suitable for a variety of applications requiring high accuracy and reliability.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | - | 5.5 | V |
| Offset Voltage | - | - | 2400 | μV |
| Input Bias Current | - | - | 0.2 | pA |
| Common-Mode Rejection Ratio (CMRR) | 80 | - | 95 | dB |
| Power Supply Rejection Ratio (PSRR) | 80 | - | 95 | dB |
| Unity Gain Bandwidth | - | - | 8.4 | MHz |
| Slew Rate | - | - | 5 | V/μs |
| Output Current | - | - | ±80 | mA |
| Package | - | - | 16-SSOP (0.154", 3.90mm Width) | - |
Key Features
- Rail-to-Rail Input and Output: The AD8604ARQZ features rail-to-rail input and output, allowing it to operate over the full range of the supply voltage.
- Low Offset Voltage: With a maximum offset voltage of 2400 μV, this amplifier ensures high precision in applications.
- Low Input Bias Current: The input bias current is as low as 0.2 pA, which is beneficial for high-impedance sources.
- Low Noise: The device has a low voltage noise density of 8 nV/√Hz at 1 kHz, making it suitable for noise-sensitive applications.
- Wide Bandwidth: The unity gain bandwidth of 8.4 MHz and a slew rate of 5 V/μs provide a wide signal bandwidth.
- High Open-Loop Gain: With a high open-loop gain, the AD8604ARQZ ensures stable operation in various configurations.
- Single-Supply Operation: The amplifier can operate from a single supply voltage ranging from 2.7 V to 5.5 V.
Applications
- Photodiode Amplification: Suitable for amplifying signals from photodiodes due to its low noise and high gain.
- Battery-Powered Instrumentation: Ideal for battery-powered devices due to its low power consumption and single-supply operation.
- Multipole Filters: Can be used in active filter designs requiring high precision and low noise.
- Sensors and Barcode Scanners: Applicable in sensor circuits and barcode scanners where high accuracy and reliability are crucial.
- Audio Applications: Suitable for audio circuits requiring low noise and high fidelity.
Q & A
- What is the supply voltage range for the AD8604ARQZ?
The AD8604ARQZ can operate from a single supply voltage ranging from 2.7 V to 5.5 V.
- What is the maximum offset voltage of the AD8604ARQZ?
The maximum offset voltage is 2400 μV.
- What is the input bias current of the AD8604ARQZ?
The input bias current is as low as 0.2 pA.
- What is the unity gain bandwidth of the AD8604ARQZ?
The unity gain bandwidth is 8.4 MHz.
- What is the slew rate of the AD8604ARQZ?
The slew rate is 5 V/μs.
- What is the package type of the AD8604ARQZ?
The package type is 16-SSOP (0.154", 3.90mm Width).
- Is the AD8604ARQZ suitable for battery-powered devices?
Yes, it is suitable due to its low power consumption and single-supply operation.
- Can the AD8604ARQZ be used in audio applications?
Yes, it is suitable for audio circuits requiring low noise and high fidelity.
- What is the common-mode rejection ratio (CMRR) of the AD8604ARQZ?
The CMRR is between 80 dB and 95 dB.
- What is the power supply rejection ratio (PSRR) of the AD8604ARQZ?
The PSRR is between 80 dB and 95 dB.
