Overview
The AD8626ARZ is a precision, low power, single-supply JFET operational amplifier produced by Analog Devices Inc. This amplifier is known for its low input bias current, low noise, and rail-to-rail input and output capabilities. It is particularly suitable for applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | -40°C < TA < +85°C | 0.05 | 0.5 | 1.2 | mV |
| Input Bias Current | IB | -40°C < TA < +85°C | 0.25 | 1 | 60 | pA |
| Input Offset Current | IOS | -40°C < TA < +85°C | 0.5 | - | 25 | pA |
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 2.5 V | 66 | 87 | - | dB |
| Output Voltage High | VOH | IL = 2 mA, -40°C < TA < +85°C | 4.90 | - | 4.92 | V |
| Output Voltage Low | VOL | IL = 2 mA, -40°C < TA < +85°C | 0.075 | - | 0.08 | V |
| Output Current | IOUT | -40°C < TA < +85°C | - | - | ±15 mA | - |
| Supply Current/Amplifier | ISY | -40°C < TA < +85°C | 710 | 850 | 900 | µA |
| Slew Rate | SR | - | - | - | 5 V/µs | - |
| Gain Bandwidth Product | GBP | - | - | - | 5 MHz | - |
| Voltage Noise Density | en | f = 1 kHz | - | - | 16 nV/√Hz | - |
Key Features
- Low Input Bias Current: The AD8626ARZ has an extremely low input bias current of 0.25 pA to 1 pA, making it ideal for high-impedance sources.
- Rail-to-Rail Input and Output: The amplifier can swing nearly rail-to-rail at both the input and output, enhancing its versatility in various applications.
- Low Noise: It features low voltage noise density of 16 nV/√Hz at 1 kHz, which is crucial for precision and low-noise applications.
- High Common-Mode Rejection Ratio (CMRR): With a CMRR of 66 dB to 87 dB, the amplifier provides excellent common-mode rejection.
- Low Power Consumption: The supply current per amplifier is typically 850 µA, making it energy-efficient.
- Wide Operating Temperature Range: The amplifier operates over a temperature range of -40°C to +85°C.
Applications
- Buffering CMOS DACs and ASICs: The rail-to-rail input and output capabilities make it suitable for buffering digital-to-analog converters and application-specific integrated circuits.
- Sensor Interfaces: Its low noise and high precision make it ideal for sensor interfaces and data acquisition systems.
- Medical Devices: The low power consumption and high accuracy are beneficial in medical devices such as ECG and EEG systems.
- Industrial Automation: It can be used in various industrial automation applications requiring precision and reliability.
Q & A
- What is the input offset voltage of the AD8626ARZ?
The input offset voltage of the AD8626ARZ is typically 0.5 mV, with a maximum of 1.2 mV over the temperature range of -40°C to +85°C. - What is the input bias current of the AD8626ARZ?
The input bias current is typically 0.25 pA to 1 pA over the temperature range of -40°C to +85°C. - What is the common-mode rejection ratio (CMRR) of the AD8626ARZ?
The CMRR is 66 dB to 87 dB. - What is the slew rate of the AD8626ARZ?
The slew rate is 5 V/µs. - What is the gain bandwidth product (GBP) of the AD8626ARZ?
The GBP is 5 MHz. - What is the operating temperature range of the AD8626ARZ?
The operating temperature range is -40°C to +85°C. - What is the supply voltage range for the AD8626ARZ?
The supply voltage range is from 5 V to 26 V. - How many channels does the AD8626ARZ have?
The AD8626ARZ has 2 channels. - What is the typical supply current per amplifier for the AD8626ARZ?
The typical supply current per amplifier is 850 µA. - Is the AD8626ARZ RoHS compliant?
Yes, the AD8626ARZ is RoHS compliant.
