Overview
The AD8554AR-REEL7, produced by Analog Devices Inc., is a quad operational amplifier that features zero-drift technology, providing high accuracy and low cost. This amplifier is part of the AD8551/AD8552/AD8554 family, known for its ultralow offset, drift, and bias current. It operates from a single supply voltage ranging from 2.7 V to 5 V, making it versatile for various applications. The AD8554AR-REEL7 is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package and is suitable for use in a wide range of temperature conditions from -40°C to +125°C.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | 2.7 | 5 | V | ||
| Input Offset Voltage (VOS) | 1 | 10 | μV | ||
| Input Offset Drift (ΔVOS/ΔT) | -40°C ≤ TA ≤ +125°C | 0.005 | 0.04 | μV/°C | |
| Input Bias Current (IB) | -40°C ≤ TA ≤ +125°C | 10 | 200 | pA | |
| Common-Mode Rejection Ratio (CMRR) | VCM = 0 V to +5 V | 115 | 130 | dB | |
| Large Signal Voltage Gain (AVO) | RL = 10 kΩ, VO = 0.3 V to 4.7 V | 120 | 135 | dB | |
| Supply Current per Amplifier (ISY) | VO = 0 V | 700 | 850 | μA | |
| Output Voltage High (VOH) | RL = 100 kΩ to GND | 4.99 | 4.998 | V | |
| Slew Rate (SR) | RL = 100 kΩ | 0.4 | 0.75 | V/μs |
Key Features
- Rail-to-Rail Input and Output Swings: The AD8554AR-REEL7 features rail-to-rail input and output swings, ensuring maximum signal range and flexibility.
- Zero-Drift Technology: This amplifier utilizes zero-drift technology, providing an ultra-low offset voltage of 1 μV and a drift of 0.005 μV/°C, making it ideal for high-accuracy applications.
- Low Supply Current: With a supply current of 700 μA per amplifier, this device is energy-efficient and suitable for battery-powered systems.
- No External Capacitors Required: The AD8554AR-REEL7 does not require external capacitors, simplifying the design and reducing component count.
- High CMRR and PSRR: It offers high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), ensuring robust performance in noisy environments.
Applications
- Temperature Sensors: Suitable for temperature sensing applications due to its high accuracy and low drift.
- Pressure Sensors: Ideal for precision current sensing and strain gage amplifiers.
- Medical Instrumentation: Used in medical devices requiring high precision and low noise.
- Thermocouple Amplifiers: Effective in thermocouple applications where high accuracy is crucial.
- General-Purpose Amplification: Can be used in various general-purpose amplification tasks where high precision and low power consumption are required.
Q & A
- What is the supply voltage range for the AD8554AR-REEL7?
The AD8554AR-REEL7 operates from a single supply voltage ranging from 2.7 V to 5 V.
- What is the input offset voltage of the AD8554AR-REEL7?
The input offset voltage is as low as 1 μV.
- What is the input offset drift of the AD8554AR-REEL7?
The input offset drift is 0.005 μV/°C.
- Does the AD8554AR-REEL7 require external capacitors?
No, the AD8554AR-REEL7 does not require external capacitors.
- What is the common-mode rejection ratio (CMRR) of the AD8554AR-REEL7?
The CMRR is between 115 dB and 130 dB.
- What is the slew rate of the AD8554AR-REEL7?
The slew rate is between 0.4 V/μs and 0.75 V/μs.
- What are the operating temperature ranges for the AD8554AR-REEL7?
The operating temperature range is from -40°C to +125°C.
- What is the package type of the AD8554AR-REEL7?
The AD8554AR-REEL7 is packaged in a 14-pin SOIC (Small Outline Integrated Circuit).
- What are some typical applications of the AD8554AR-REEL7?
Typical applications include temperature sensors, pressure sensors, medical instrumentation, and thermocouple amplifiers.
- What is the supply current per amplifier for the AD8554AR-REEL7?
The supply current per amplifier is approximately 700 μA.
