Overview
The AD8227ARZ-R7 is a versatile and reliable instrumentation amplifier designed by Analog Devices Inc. This component is known for its wide supply range, rail-to-rail output, and robust input protection, making it suitable for connecting to real-world sensors in various applications. The AD8227 operates on supplies ranging from ±1.5 V to ±18 V (or 2.2 V to 36 V single supply) and can handle input voltages beyond the supply rails, ensuring protection against overvoltage conditions. Its ability to amplify small signals near ground without requiring dual supplies adds to its flexibility.
Key Specifications
| Parameter | Value |
|---|---|
| Series | AD8227 |
| Number of Channels | 1 Channel |
| 3 dB Bandwidth | 250 kHz |
| SR - Slew Rate | 600 mV/us |
| CMRR - Common Mode Rejection Ratio | 105 dB |
| Vos - Input Offset Voltage | 200 µV |
| Current - Input Bias | 20 nA |
| Max Supply Voltage | 36 V |
| Supply Voltage - Min | 2.2 V |
| Current @ Pmpp | 400 µA |
| Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | +125 |
| Mounting Style | SMD/SMT |
| Amplifier Type | Instrumentation Amplifier |
| Package/Case | SOIC-8 |
Key Features
- Low Noise and High Common-Mode Rejection Ratio: Ensures accurate signal amplification with minimal noise and high CMRR of 105 dB.
- Wide Bandwidth and Stability: Offers a 3 dB bandwidth of 250 kHz and high stability, making it suitable for various signal processing applications.
- Single or Dual Power Supply Operation: Flexible power supply options ranging from ±1.5 V to ±18 V (or 2.2 V to 36 V single supply).
- Unity-Gain Stable and Highly Reliable: Designed to be highly reliable in harsh environments and suitable for demanding industrial applications.
- Gain Range from 5 to 1000: Adjustable gain using a single external resistor, providing versatility in signal amplification.
- Input Protection Beyond Supplies: Robust inputs can withstand voltages beyond the supply rails, ensuring protection against overvoltage conditions).
Applications
- Industrial Process Controls: Ideal for amplifying signals from sensors in industrial automation systems).
- Bridge Amplifiers: Suitable for bridge transducer applications where high precision and low noise are required).
- Medical Instrumentation: Used in medical devices for precise signal amplification and processing).
- Portable Data Acquisition: Perfect for portable data acquisition systems due to its low power consumption and high accuracy).
- Multichannel Systems: Ideal for multichannel applications where space is constrained and high precision is necessary).
Q & A
- What is the operating temperature range of the AD8227ARZ-R7?
The AD8227ARZ-R7 operates from -40°C to +125°C).
- What is the common-mode rejection ratio (CMRR) of the AD8227ARZ-R7?
The CMRR of the AD8227ARZ-R7 is 105 dB).
- How is the gain of the AD8227ARZ-R7 adjusted?
The gain of the AD8227ARZ-R7 is adjusted using a single external resistor, allowing gains from 5 to 1000).
- What is the input offset voltage (Vos) of the AD8227ARZ-R7?
The input offset voltage (Vos) of the AD8227ARZ-R7 is 200 µV).
- Can the AD8227ARZ-R7 handle input voltages beyond the supply rails?
- What is the slew rate of the AD8227ARZ-R7?
The slew rate of the AD8227ARZ-R7 is 600 mV/us).
- What are the typical applications of the AD8227ARZ-R7?
The AD8227ARZ-R7 is typically used in industrial process controls, bridge amplifiers, medical instrumentation, portable data acquisition, and multichannel systems).
- What is the package type of the AD8227ARZ-R7?
The AD8227ARZ-R7 comes in an 8-pin SOIC package).
- Is the AD8227ARZ-R7 RoHS compliant?
- What is the minimum supply voltage for the AD8227ARZ-R7?
