Overview
The AD8555ARZ-REEL, produced by Analog Devices Inc., is a zero-drift, digitally programmable sensor signal amplifier. This component is designed to accurately convert variable pressure sensor and strain bridge outputs to a well-defined output voltage range. It utilizes Analog Devices' patented low noise auto-zero and DigiTrim® technologies, making it an incredibly accurate and flexible signal processing solution in a compact footprint.
Key Specifications
| Parameter | Value |
|---|---|
| Amplifier Type | Chopper (Zero-Drift) |
| Number of Circuits | 1 |
| Slew Rate | 1.2 V/µs |
| Gain Bandwidth Product | 2MHz |
| Current - Input Bias | 16nA |
| Voltage - Input Offset | 2µV |
| Current - Supply | 2mA |
| Current - Output / Channel | 10mA |
| Voltage - Supply Single/Dual (±) | 2.7 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC N |
Key Features
- Very low offset voltage: 10 µV maximum over temperature
- Very low input offset voltage drift: 60 nV/°C maximum
- High CMRR: 96 dB minimum
- Digitally programmable gain and output offset voltage
- Single-wire serial interface
- Open and short wire fault detection
- Low-pass filtering
- Stable with any capacitive load
- Externally programmable output clamp voltage for driving low voltage ADCs
Applications
- Pressure and position sensors
- Thermocouple amplifiers
- Industrial weigh scales
- Precision current sensing
- Strain gages
Q & A
- What is the amplifier type of the AD8555ARZ-REEL?
The AD8555ARZ-REEL is a Chopper (Zero-Drift) amplifier. - What is the gain bandwidth product of the AD8555ARZ-REEL?
The gain bandwidth product is 2MHz. - What is the input offset voltage of the AD8555ARZ-REEL?
The input offset voltage is 2µV. - What is the supply voltage range for the AD8555ARZ-REEL?
The supply voltage range is 2.7 V to 5.5 V. - What is the operating temperature range for the AD8555ARZ-REEL?
The operating temperature range is -40°C to 125°C. - What package types are available for the AD8555ARZ-REEL?
The AD8555ARZ-REEL is available in 8-SOIC N and LFCSP-16 packages. - Does the AD8555ARZ-REEL support fault detection?
Yes, it supports open and short wire fault detection. - Can the gain of the AD8555ARZ-REEL be programmed?
Yes, the gain is digitally programmable through a single-wire serial interface. - What is the common-mode rejection ratio (CMRR) of the AD8555ARZ-REEL?
The CMRR is 96 dB minimum. - Is the AD8555ARZ-REEL suitable for industrial applications?
Yes, it is fully specified over the extended industrial temperature range and is suitable for various industrial applications.
