Overview
The AD8551ARZ-REEL, manufactured by Analog Devices Inc., is a single precision, zero-drift, rail-to-rail input/output operational amplifier. This device is designed to provide high accuracy and low noise performance, making it ideal for precision signal conditioning, signal acquisition, and low-level data acquisition applications. The AD8551 combines the benefits of expensive auto-zeroing or chopper-stabilized amplifiers at a lower cost, featuring ultralow offset, drift, and bias current.
Key Specifications
| Parameter | Typical Value | Min/Max Value |
|---|---|---|
| Supply Voltage | 2.7 V to 5 V | 2.7 V to 5 V |
| Input Offset Voltage | 1 μV | - |
| Offset Voltage Drift | 0.005 μV/°C | 0.005 μV/°C to 0.04 μV/°C |
| Input Bias Current | 10 pA to 50 pA | 10 pA to 50 pA |
| Common-Mode Rejection Ratio (CMRR) | 120 dB to 140 dB | 115 dB to 140 dB |
| Power Supply Rejection Ratio (PSRR) | 120 dB to 140 dB | 110 dB to 140 dB |
| Gain-Bandwidth Product (GBP) | 1.5 MHz | - |
| Input Voltage Range | 0 V to 5 V | - |
| Output Voltage Range | 0 V to 4.99 V (RL = 100 kΩ to GND) | - |
| Operating Temperature Range | -40°C to +125°C | -40°C to +125°C |
| Package Type | 8-Lead SOIC | - |
Key Features
- Zero-Drift Amplifier: Provides ultralow offset, drift, and bias current, making it suitable for high-accuracy applications.
- Rail-to-Rail Input/Output: Allows the input and output signals to swing from the negative to the positive supply rail.
- Low Supply Current: Operates with a low supply current of 700 μA per op-amp.
- No External Capacitors Required: Simplifies circuit design by eliminating the need for external capacitors.
- High Common-Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR): Ensures high immunity to common-mode and power supply noise.
- Compact Form Factor: Available in an 8-Lead SOIC package, suitable for integration in small, portable electronics.
Applications
- Temperature Sensors: Ideal for amplifying signals from temperature sensors due to its low drift and high accuracy.
- Pressure Sensors: Used in precision current sensing and strain gage amplifiers.
- Medical Instrumentation: Suitable for medical applications requiring high accuracy and low noise.
- Thermocouple Amplifiers: Effective in thermocouple applications where low offset and drift are critical.
- Precision Signal Conditioning: Used in various precision signal conditioning and low-level data acquisition applications.
Q & A
- What is the typical input offset voltage of the AD8551ARZ-REEL?
The typical input offset voltage is 1 μV.
- What is the operating temperature range of the AD8551ARZ-REEL?
The operating temperature range is -40°C to +125°C.
- Does the AD8551ARZ-REEL require external capacitors?
No, it does not require external capacitors.
- What is the gain-bandwidth product (GBP) of the AD8551ARZ-REEL?
The GBP is 1.5 MHz.
- What is the common-mode rejection ratio (CMRR) of the AD8551ARZ-REEL?
The CMRR is typically 120 dB to 140 dB.
- What are the typical applications of the AD8551ARZ-REEL?
It is used in temperature sensors, pressure sensors, medical instrumentation, thermocouple amplifiers, and precision signal conditioning.
- What is the package type of the AD8551ARZ-REEL?
The package type is 8-Lead SOIC.
- What is the supply voltage range for the AD8551ARZ-REEL?
The supply voltage range is 2.7 V to 5 V.
- How does the AD8551ARZ-REEL handle input overvoltage protection?
The device has built-in input overvoltage protection.
- What is the output voltage range of the AD8551ARZ-REEL?
The output voltage range is from 0 V to 4.99 V (RL = 100 kΩ to GND).
