Overview
The AD8627AR-REEL is a precision operational amplifier produced by Analog Devices Inc. This single-channel amplifier is known for its high accuracy, low noise, and low power consumption, making it suitable for a variety of applications requiring high precision and reliability. The AD8627 is available in an 8-lead SOIC package and is also offered in tape and reel format for ease of use in automated assembly processes.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| 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 | |
| Input Voltage Range | 0 | 3 | V | |||
| Common-Mode Rejection Ratio | CMRR | VCM = 0 V to 2.5 V | 66 | 87 | dB | |
| Large Signal Voltage Gain | AVO | RL = 10 kΩ, VO = 0.5 V to 4.5 V | 100 | 230 | V/mV | |
| Offset Voltage Drift | ∆VOS/∆T | –40°C < TA < +85°C | 2.5 | µV/°C | ||
| 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 | ±10 | mA | |||
| Power-Supply Rejection Ratio | PSRR | VS = 5 V to 26 V | 80 | 104 | dB | |
| Supply Current/Amplifier | ISY | –40°C < TA < +85°C | 630 | 785 | µA | |
| Slew Rate | SR | 5 | V/µs | |||
| Gain Bandwidth Product | GBP | 5 | MHz | |||
| Phase Margin | ØM | 60 | Degrees | |||
| Voltage Noise Density | en | f = 1 kHz | 17.5 | nV/√Hz |
Key Features
- Low Offset Voltage and Drift: The AD8627 features a low offset voltage of 0.05 mV to 1.2 mV and a low offset voltage drift of 2.5 µV/°C, ensuring high precision over a wide temperature range.
- Low Input Bias Current: With an input bias current as low as 0.25 pA to 60 pA, this amplifier minimizes the impact of input bias on the signal.
- High Common-Mode Rejection Ratio (CMRR): A CMRR of 66 dB to 87 dB helps in effectively rejecting common-mode noise and interference.
- High Power-Supply Rejection Ratio (PSRR): The PSRR of 80 dB to 104 dB ensures stable output voltage despite fluctuations in the supply voltage.
- Low Noise: The amplifier has a low voltage noise density of 17.5 nV/√Hz at 1 kHz, making it suitable for noise-sensitive applications.
- High Slew Rate and Gain Bandwidth Product: With a slew rate of 5 V/µs and a gain bandwidth product of 5 MHz, the AD8627 is capable of handling high-frequency signals.
Applications
- Precision Instrumentation: The AD8627 is ideal for precision instrumentation due to its low offset voltage, low noise, and high CMRR.
- Medical Equipment: Its high accuracy and stability make it suitable for medical devices that require precise signal amplification.
- Aerospace and Defense: The amplifier's robust performance over a wide temperature range and its ability to reject noise make it a good choice for aerospace and defense applications.
- Industrial Automation: It can be used in various industrial automation systems where high precision and reliability are crucial.
- Audio and Video Equipment: The low noise and high fidelity of the AD8627 make it suitable for audio and video applications requiring high signal quality.
Q & A
- What is the typical offset voltage of the AD8627?
The typical offset voltage of the AD8627 is 0.5 mV.
- What is the input bias current range of the AD8627?
The input bias current range of the AD8627 is 0.25 pA to 60 pA over the temperature range of –40°C to +85°C.
- What is the common-mode rejection ratio (CMRR) of the AD8627?
The CMRR of the AD8627 is 66 dB to 87 dB.
- What is the power-supply rejection ratio (PSRR) of the AD8627?
The PSRR of the AD8627 is 80 dB to 104 dB.
- What is the slew rate of the AD8627?
The slew rate of the AD8627 is 5 V/µs.
- What is the gain bandwidth product (GBP) of the AD8627?
The GBP of the AD8627 is 5 MHz.
- What is the typical supply current per amplifier for the AD8627?
The typical supply current per amplifier for the AD8627 is 785 µA.
- In what package is the AD8627 available?
The AD8627 is available in an 8-lead SOIC package and also in tape and reel format.
- What is the operating temperature range of the AD8627?
The operating temperature range of the AD8627 is –40°C to +85°C.
- What are some typical applications of the AD8627?
The AD8627 is typically used in precision instrumentation, medical equipment, aerospace and defense, industrial automation, and audio/video equipment.
