Overview
The AD8506ARMZ-R2, produced by Analog Devices Inc., is a dual micro-power operational amplifier. This device is part of the AD8505/AD8506/AD8508 family, which features single, dual, and quad configurations. The AD8506 is designed to operate from a single 1.8 V to 5 V power supply or from dual ±0.9 V to ±2.5 V power supplies, making it highly versatile for various applications. It is known for its rail-to-rail input/output swings, low power consumption, and high performance in terms of noise, input bias current, and power supply rejection ratio (PSRR).
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage | 1.8 V to 5 V, ±0.9 V to ±2.5 V | |
| Supply Current per Amplifier | 15 µA to 20 µA | VOUT = VSY/2, -40°C ≤ TA ≤ +125°C |
| Input Bias Current | 1 pA typical | |
| Input Offset Voltage | 500 µV maximum | |
| Output Voltage High (VOH) | 4.9 V to 4.95 V | RL = 10 kΩ to GND, -40°C ≤ TA ≤ +125°C |
| Output Voltage Low (VOL) | 5 mV to 25 mV | RL = 10 kΩ to VSY, -40°C ≤ TA ≤ +125°C |
| Power Supply Rejection Ratio (PSRR) | 100 dB to 110 dB | VSY = 1.8 V to 5 V, -40°C ≤ TA ≤ +85°C |
| Operating Temperature | -40°C to +125°C | |
| Package | 8-Pin MSOP |
Key Features
- Rail-to-rail input/output swings, allowing for full signal utilization over the entire supply voltage range.
- Low power consumption with a supply current of less than 20 µA per amplifier, making it ideal for battery-powered applications.
- High power supply rejection ratio (PSRR) and common-mode rejection ratio (CMRR), ensuring minimal errors due to power supply voltage variations.
- Zero input crossover distortion, enhancing the overall performance and accuracy of the amplifier.
- Low input bias current of 1 pA typical, reducing the impact of input current on the signal.
- Low noise performance with a voltage noise density of 45 nV/√Hz at 1 kHz.
Applications
- Pressure and position sensors due to its high accuracy and low noise characteristics.
- Remote security systems and bio sensors where low power consumption and high reliability are crucial.
- IR thermometers and other precision measurement instruments requiring stable and accurate amplification.
- Battery-powered consumer equipment, such as portable devices and handheld instruments, where power efficiency is essential.
- Hazard detectors and other safety-critical applications where reliability and low power consumption are vital).
Q & A
- What is the supply voltage range for the AD8506ARMZ-R2?
The AD8506ARMZ-R2 can operate from a single 1.8 V to 5 V power supply or from dual ±0.9 V to ±2.5 V power supplies.
- What is the typical supply current per amplifier for the AD8506ARMZ-R2?
The typical supply current per amplifier is less than 20 µA.
- What is the input bias current of the AD8506ARMZ-R2?
The input bias current is 1 pA typical.
- What is the maximum input offset voltage for the AD8506ARMZ-R2?
The maximum input offset voltage is 500 µV.
- What is the power supply rejection ratio (PSRR) of the AD8506ARMZ-R2?
The PSRR is 100 dB to 110 dB over the specified temperature range.
- What are the key applications of the AD8506ARMZ-R2?
The key applications include pressure and position sensors, remote security systems, bio sensors, IR thermometers, battery-powered consumer equipment, and hazard detectors.
- What is the operating temperature range for the AD8506ARMZ-R2?
The operating temperature range is -40°C to +125°C.
- What is the package type for the AD8506ARMZ-R2?
The package type is 8-Pin MSOP.
- Does the AD8506ARMZ-R2 have rail-to-rail input/output swings?
Yes, the AD8506ARMZ-R2 features rail-to-rail input/output swings.
- What is the noise performance of the AD8506ARMZ-R2?
The AD8506ARMZ-R2 has a low noise performance with a voltage noise density of 45 nV/√Hz at 1 kHz.
