Overview
The AD8554ARZ-REEL, produced by Analog Devices Inc., is a high-precision, zero-drift operational amplifier. This IC is part of the AD8551/AD8552/AD8554 family, known for its ultralow offset, drift, and bias current. The AD8554ARZ-REEL is a quad amplifier, featuring rail-to-rail input and output swings, and is designed to operate from a single supply voltage ranging from 2.7 V to 5 V. This amplifier combines low cost with high accuracy, making it ideal for sensitive measurement applications in various fields, including medical instrumentation, thermocouple amplifiers, and precision current sensing.
Key Specifications
| Parameter | Description |
|---|---|
| Amplifier Type | Zero-Drift |
| Number of Circuits | 4 |
| Output Type | Rail-to-Rail |
| Supply Voltage | 2.7 V to 5 V |
| Supply Current | 850 μA (x4 Channels) |
| Input Offset Voltage | 1 μV |
| Input Bias Current | 10 pA |
| Slew Rate | 0.4 V/μs |
| Gain Bandwidth Product | 1.5 MHz |
| Output Current per Channel | 30 mA |
| Operating Temperature | -40°C to +125°C |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
Key Features
- High Precision: Ultralow offset voltage of 1 μV and drift of 0.005 μV/°C, ensuring minimal error over a wide temperature range.
- Rail-to-Rail Input and Output: Allows for full use of the supply voltage range, enhancing the amplifier's versatility in various applications.
- Low Supply Current: 850 μA for all four channels, making it energy-efficient.
- No External Capacitors Required: Simplifies the circuit design and reduces component count.
- High Common-Mode Rejection Ratio (CMRR): Up to 140 dB, ensuring high immunity to common-mode noise.
- Fast Overload Recovery Time: 50 μs, which is crucial for applications requiring quick recovery from overload conditions.
Applications
- Temperature Sensors: Ideal for precise temperature measurements due to its low drift and offset characteristics.
- Pressure Sensors: Used in pressure sensing applications where high accuracy is required.
- Precision Current Sensing: Suitable for applications needing accurate current measurements.
- Strain Gage Amplifiers: Enhances the accuracy of strain gage measurements.
- Medical Instrumentation: Used in medical devices requiring high precision and low noise.
- Thermocouple Amplifiers: Ideal for thermocouple applications due to its low offset and drift.
Q & A
- What is the input offset voltage of the AD8554ARZ-REEL?
The input offset voltage is 1 μV.
- What is the operating temperature range of the AD8554ARZ-REEL?
The operating temperature range is -40°C to +125°C.
- How many channels does the AD8554ARZ-REEL have?
The AD8554ARZ-REEL is a quad amplifier, meaning it has four channels.
- What is the slew rate of the AD8554ARZ-REEL?
The slew rate is 0.4 V/μs.
- What is the gain bandwidth product of the AD8554ARZ-REEL?
The gain bandwidth product is 1.5 MHz.
- Does the AD8554ARZ-REEL require external capacitors?
No, the AD8554ARZ-REEL does not require external capacitors.
- What is the common-mode rejection ratio (CMRR) of the AD8554ARZ-REEL?
The CMRR is up to 140 dB.
- What is the output current per channel of the AD8554ARZ-REEL?
The output current per channel is 30 mA.
- What is the package type of the AD8554ARZ-REEL?
The package type is 14-SOIC (0.154", 3.90mm Width).
- Is the AD8554ARZ-REEL RoHS compliant?
Yes, the AD8554ARZ-REEL is RoHS compliant.[
