Overview
The AD8551ARMZ-REEL, produced by Analog Devices Inc., is a high-precision, single-channel operational amplifier (op-amp) known for its zero-drift architecture. This component is part of the AD8551 family, which offers low offset, low drift, and low bias current, making it ideal for applications requiring high accuracy and precision. The AD8551ARMZ-REEL is packaged in an 8-pin MSOP (Mini Small Outline Package) and operates from a single supply voltage ranging from 2.7V to 5V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2.7 to 5 | V |
| Offset Voltage | 1 | μV |
| Offset Voltage Drift | 0.005 | μV/°C |
| Bias Current | 10 to 50 | pA |
| Common Mode Rejection Ratio (CMRR) | 115 to 130 | dB |
| Power Supply Rejection Ratio (PSRR) | 115 to 130 | dB |
| Bandwidth | 1.5 | MHz |
| Input Voltage Range | 0 to 5 | V |
| Output Type | Rail-to-Rail | |
| Package Type | 8-pin MSOP | |
| Operating Temperature Range | -40°C to +125°C |
Key Features
- Zero-Drift Architecture: Offers ultralow offset voltage and drift, ensuring high accuracy and precision.
- Low Bias Current: Typically 10 to 50 pA, which is beneficial for applications requiring minimal input current.
- Rail-to-Rail Input and Output: Allows the amplifier to operate with input and output voltages that range from the negative to the positive supply rail.
- High CMRR and PSRR: Provides excellent rejection of common-mode signals and power supply noise, enhancing signal integrity.
- No External Capacitors Required: Simplifies circuit design and reduces component count.
- Low Supply Current: Approximately 700 μA per op-amp, making it power-efficient.
- Fast Overload Recovery Time: Recoveries from overload conditions in as little as 50 μs.
Applications
- Temperature Sensors: Ideal for precise temperature measurements.
- Pressure Sensors: Used in applications requiring accurate pressure sensing.
- Precision Current Sensing: Suitable for high-accuracy current measurement circuits.
- Strain Gage Amplifiers: Enhances the accuracy of strain gage measurements.
- Medical Instrumentation: Used in medical devices where high precision and low noise are critical.
- Thermocouple Amplifiers: Provides accurate amplification of thermocouple signals.
Q & A
- What is the supply voltage range for the AD8551ARMZ-REEL?
The supply voltage range is from 2.7V to 5V.
- What is the typical offset voltage of the AD8551ARMZ-REEL?
The typical offset voltage is 1 μV.
- What is the common mode rejection ratio (CMRR) of the AD8551ARMZ-REEL?
The CMRR is typically between 115 dB and 130 dB.
- Does the AD8551ARMZ-REEL require external capacitors?
No, external capacitors are not required.
- What is the operating temperature range of the AD8551ARMZ-REEL?
The operating temperature range is from -40°C to +125°C.
- What is the bandwidth of the AD8551ARMZ-REEL?
The bandwidth is approximately 1.5 MHz.
- What is the input bias current of the AD8551ARMZ-REEL?
The input bias current is typically between 10 pA and 50 pA.
- What type of output does the AD8551ARMZ-REEL have?
The output is rail-to-rail.
- What are some common applications of the AD8551ARMZ-REEL?
Common applications include temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
- What is the package type of the AD8551ARMZ-REEL?
The package type is 8-pin MSOP.
