Overview
The AD626AR-REEL7, produced by Analog Devices Inc., is a low-cost, single-supply differential amplifier designed for a wide range of applications requiring high accuracy and reliability. This amplifier is part of the AD626 series, which is known for its robust performance in various environmental conditions. The AD626AR-REEL7 operates over an industrial temperature range of –40°C to +85°C, making it suitable for diverse industrial and commercial uses.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 8-Lead SOIC |
| Voltage - Supply, Single/Dual | 2.4 V ~ 12 V, ±1.2 V ~ 6 V |
| Voltage - Input Offset | 50 µV |
| Current - Supply | 1.5 mA |
| Current - Output / Channel | 12 mA |
| Common-Mode Rejection Ratio (CMRR) | 80 dB (typ.) |
| Bandwidth | 100 kHz (–3 dB) |
| Slew Rate | 0.22 V/µs |
| Operating Temperature | –40°C ~ 85°C |
Key Features
- Preset Gain and Adjustable Gain Range: The AD626AR-REEL7 offers a preset gain of 10, with the ability to adjust the gain between 10 and 100 using an external resistor. A gain of 100 can also be achieved by connecting the G = 100 pin to analog ground.
- Low-Pass Filter Capability: The amplifier includes a low-pass filter capability by connecting a capacitor between the filter pin and analog ground.
- High Common-Mode Rejection Ratio (CMRR): The AD626AR-REEL7 features a CMRR of 80 dB, ensuring high accuracy in the presence of large common-mode voltages.
- Input Protection and RFI Filters: The inputs are protected against continuous overloads of up to 50 V, and RFI filters are included in the attenuator network.
- Low Power Consumption: The amplifier has a low supply current of 1.5 mA, making it suitable for power-sensitive applications.
Applications
- Industrial Process Controls: The AD626AR-REEL7 is suitable for use in industrial process control systems due to its robust performance and high CMRR.
- Data Acquisition Systems: It is ideal for precision data acquisition systems where high accuracy and low noise are critical.
- Medical Instrumentation: The amplifier can be used in medical applications such as ECG and noninvasive blood pressure monitors due to its low noise and high CMRR.
- Transducer Interfaces: It is well-suited for transducer interfaces where precise amplification of differential signals is required.
Q & A
- What is the operating temperature range of the AD626AR-REEL7?
The AD626AR-REEL7 operates over an industrial temperature range of –40°C to +85°C.
- What is the typical common-mode rejection ratio (CMRR) of the AD626AR-REEL7?
The typical CMRR is 80 dB.
- How can the gain of the AD626AR-REEL7 be adjusted?
The gain can be adjusted between 10 and 100 using an external resistor. A gain of 100 can also be achieved by connecting the G = 100 pin to analog ground.
- What is the bandwidth of the AD626AR-REEL7?
The bandwidth is 100 kHz (–3 dB).
- Does the AD626AR-REEL7 have input protection?
Yes, the inputs are protected against continuous overloads of up to 50 V, and RFI filters are included in the attenuator network.
- What is the supply current of the AD626AR-REEL7?
The supply current is 1.5 mA.
- Can the AD626AR-REEL7 be used in medical applications?
Yes, it is suitable for medical applications such as ECG and noninvasive blood pressure monitors due to its low noise and high CMRR.
- What package types are available for the AD626AR-REEL7?
The AD626AR-REEL7 is available in an 8-Lead SOIC package.
- Does the AD626AR-REEL7 have low-pass filter capability?
Yes, it includes low-pass filter capability by connecting a capacitor between the filter pin and analog ground.
- Is the AD626AR-REEL7 RoHS compliant?
Yes, the AD626AR-REEL7 is lead-free and RoHS compliant.
