Overview
The AD8627AKSZ-REEL7 is a precision JFET input operational amplifier produced by Analog Devices Inc. This device is part of the AD862x series, known for its high precision and low noise characteristics. The AD8627 is fully specified over the industrial temperature range of −40°C to +85°C, making it suitable for a wide range of applications that require high accuracy and reliability.
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 | ±15 | 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 | 800 | µA |
| Slew Rate | SR | 5 | V/µs | |||
| Gain Bandwidth Product | GBP | 5 | MHz | |||
| Phase Margin | ØM | 60 | Degrees | |||
| Voltage Noise (0.1 Hz to 10 Hz) | en p-p | 1.9 | µV p-p | |||
| Voltage Noise Density (f = 1 kHz) | en f = 1 kHz | 17.5 | nV/√Hz | |||
| Current Noise Density (f = 1 kHz) | in f = 1 kHz | 0.4 | fA/√Hz | |||
| Channel Separation (f = 1 kHz) | Cs f = 1 kHz | 104 | dB |
Key Features
- Precision JFET Input: Low input bias current and high input impedance make it ideal for applications requiring high accuracy.
- Low Noise: Low voltage noise and current noise densities ensure minimal signal distortion.
- High Common-Mode Rejection Ratio (CMRR): Excellent rejection of common-mode signals, enhancing signal integrity.
- Wide Operating Temperature Range: Fully specified over −40°C to +85°C, suitable for industrial and harsh environments.
- High Gain Bandwidth Product (GBP): 5 MHz GBP supports high-frequency applications.
- Low Offset Voltage and Drift: Minimal offset voltage and drift ensure stable operation over temperature changes.
Applications
The AD8627AKSZ-REEL7 is versatile and can be used in various applications, including:
- Precision Filters: Its low offset and high bandwidth make it ideal for precision filter designs.
- Instrumentation Amplifiers: Suitable for high-accuracy instrumentation due to its low noise and high CMRR.
- Industrial Control Systems: Robust performance over a wide temperature range makes it suitable for industrial control environments.
- Medical Devices: High precision and low noise characteristics are beneficial in medical device applications.
Q & A
- What is the typical offset voltage of the AD8627AKSZ-REEL7?
The typical offset voltage is 0.5 mV. - What is the input bias current range of the AD8627AKSZ-REEL7?
The input bias current ranges from 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 AD8627AKSZ-REEL7?
The CMRR is typically 87 dB. - What is the gain bandwidth product (GBP) of the AD8627AKSZ-REEL7?
The GBP is 5 MHz. - What is the slew rate of the AD8627AKSZ-REEL7?
The slew rate is 5 V/µs. - What is the typical supply current per amplifier for the AD8627AKSZ-REEL7?
The typical supply current per amplifier is 785 µA. - What is the operating temperature range of the AD8627AKSZ-REEL7?
The device is fully specified over the industrial temperature range of −40°C to +85°C. - What is the output voltage range of the AD8627AKSZ-REEL7?
The output voltage range is from 0.075 V to 4.92 V, depending on the load current and supply voltage. - What package type is the AD8627AKSZ-REEL7 available in?
The device is available in a SC70-5 package. - What are some typical applications of the AD8627AKSZ-REEL7?
Typical applications include precision filters, instrumentation amplifiers, industrial control systems, and medical devices.
