Overview
The AD22050R-REEL, produced by Analog Devices Inc., is a single-supply difference amplifier designed for amplifying and low-pass filtering small differential voltages. This amplifier is particularly useful for applications where the input signals have large common-mode voltages. It operates with supply voltages ranging from +3.0 V to +36 V and features a high common-mode rejection ratio (CMRR) of at least 80 dB, ensuring minimal impact from common-mode voltages on the differential signal amplification.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | +3.0 V to +36 V | V |
| Peak Input Voltage (40 ms) | +60 V | V |
| Reversed Supply Voltage Protection | -34 V | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Gain Range | ×1 to ×160 | - |
| Input Common-Mode Range | Below ground to 6× (VS - 1 V) | V |
| Output Span | 20 mV to (VS - 0.2) V | V |
| Differential Input Resistance | 400 kΩ | Ω |
| Package | 8-SOIC (0.154", 3.90mm Width) | - |
| Mounting Type | Surface Mount | - |
Key Features
- High CMRR: The AD22050 features a high common-mode rejection ratio (CMRR) of at least 80 dB, ensuring excellent rejection of common-mode voltages.
- Adjustable Gain: The gain can be adjusted from ×1 to ×160, providing flexibility in various applications.
- Low-Pass Filtering: Provisions for 1-, 2-, or 3-pole low-pass filtering are included, allowing for signal conditioning based on application needs.
- Accurate Midscale Offset: An accurate midscale offset feature allows bipolar signals to be amplified, which is useful in applications requiring precise signal handling.
- Transient Spike Protection and RFI Filters: The amplifier includes transient spike protection and RFI filters to minimize the impact of spurious signals.
- Low Power Consumption: The AD22050 has low power consumption, making it suitable for battery-powered and energy-efficient applications.
Applications
- Sensor Interfaces: The AD22050 is ideal for interfacing with sensors that produce small differential voltages in the presence of large common-mode voltages.
- Industrial Automation: It is used in industrial automation for signal conditioning and amplification in noisy environments.
- Medical Devices: The amplifier is suitable for medical devices where precise signal amplification and filtering are critical.
- Instrumentation: It is used in various instrumentation applications where high accuracy and low noise are required.
- Smart Industry and Electrification: The AD22050 can be integrated into smart industry and electrification systems for precise signal handling and conditioning.
Q & A
- What is the supply voltage range for the AD22050?
The supply voltage range for the AD22050 is from +3.0 V to +36 V.
- What is the peak input voltage the AD22050 can handle?
The AD22050 can handle a peak input voltage of +60 V for 40 ms.
- What is the common-mode rejection ratio (CMRR) of the AD22050?
The CMRR of the AD22050 is at least 80 dB.
- Can the gain of the AD22050 be adjusted?
- What types of low-pass filtering are available on the AD22050?
The AD22050 supports 1-, 2-, or 3-pole low-pass filtering.
- Does the AD22050 have built-in transient spike protection and RFI filters?
- What is the operating temperature range of the AD22050?
The operating temperature range of the AD22050 is from -40°C to +125°C.
- What is the package type of the AD22050R-REEL?
The package type of the AD22050R-REEL is 8-SOIC (0.154", 3.90mm Width).
- Is the AD22050 suitable for surface mounting?
- What are some typical applications of the AD22050?
The AD22050 is typically used in sensor interfaces, industrial automation, medical devices, instrumentation, and smart industry applications.
