Overview
The AD8554ARU-REEL, produced by Analog Devices Inc., is a quad operational amplifier (op-amp) that belongs to the family of zero-drift amplifiers. This device is designed to provide exceptional stability and ultra-low drift, making it suitable for a wide range of precision applications. The AD8554 features rail-to-rail input and output swings, operating from a single supply of 2.7 V to 5 V. It is particularly useful in applications where high accuracy and low noise are critical.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Amplifier Type | Zero-Drift | Number of Circuits | 4 |
| Output Type | Rail-to-Rail | Slew Rate | 0.4 V/µs |
| Gain Bandwidth Product | 1.5 MHz | Current - Input Bias | 10 pA |
| Voltage - Input Offset | 1 µV | Current - Supply | 850 µA (x4 Channels) |
| Current - Output / Channel | 30 mA | Voltage - Supply Span (Min) | 2.7 V |
| Voltage - Supply Span (Max) | 5 V | Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Package/Case | 14-TSSOP (0.173", 4.40mm Width) |
Key Features
- Zero-Drift Amplifier Design: Provides exceptional stability and ultra-low drift of 0.005 µV/°C.
- Rail-to-Rail Input and Output Swing: Ensures full utilization of the supply voltage range.
- Low Supply Current: Each op-amp consumes 700 µA, contributing to low power consumption.
- No External Capacitors Required: Simplifies circuit design and reduces component count.
- High Gain, CMRR, PSRR: Offers high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of 130 dB.
- Operating Temperature Range: -40°C to 125°C, making it suitable for a wide range of environmental conditions.
- Surface Mount Package: 14-TSSOP package for easy integration into surface mount PCBs.
Applications
- Temperature Sensors: Ideal for precise temperature measurements due to its low drift and offset.
- Pressure Sensors: Used in pressure sensing applications requiring high accuracy.
- Precision Current Sensing: Suitable for applications where precise current measurement is critical.
- Strain Gage Amplifiers: Used in strain gage applications to amplify small signals accurately.
- Medical Instrumentation: Employed in medical devices where low noise and high precision are essential.
- Thermocouple Amplifiers: Used to amplify thermocouple signals with high accuracy and stability.
Q & A
- What is the amplifier type of the AD8554ARU?
The AD8554ARU is a zero-drift amplifier.
- How many circuits does the AD8554ARU contain?
The AD8554ARU contains 4 circuits.
- What is the slew rate of the AD8554ARU?
The slew rate of the AD8554ARU is 0.4 V/µs.
- What is the gain bandwidth product of the AD8554ARU?
The gain bandwidth product of the AD8554ARU is 1.5 MHz.
- What is the input offset voltage of the AD8554ARU?
The input offset voltage of the AD8554ARU is 1 µV.
- What is the operating temperature range of the AD8554ARU?
The operating temperature range of the AD8554ARU is -40°C to 125°C.
- Does the AD8554ARU require external capacitors?
No, the AD8554ARU does not require external capacitors.
- What is the typical supply current per op-amp in the AD8554ARU?
The typical supply current per op-amp in the AD8554ARU is 700 µA.
- What are some common applications of the AD8554ARU?
The AD8554ARU is commonly used in temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
- What is the package type of the AD8554ARU?
The AD8554ARU comes in a 14-TSSOP package.
