Overview
The AD8554ARZ is a quad operational amplifier (op amp) produced by Analog Devices Inc. This device is part of the AD8551/AD8552/AD8554 family, known for its ultralow offset, drift, and bias current. The AD8554ARZ features 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. It combines high accuracy with low cost, making it an ideal choice for various precision applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Offset Voltage | 1 μV | - |
| Offset Voltage Drift | 0.005 μV/°C | -40°C ≤ TA ≤ +125°C |
| Input Bias Current | 10 pA to 70 pA | -40°C ≤ TA ≤ +125°C |
| Common-Mode Rejection Ratio (CMRR) | 120 dB to 140 dB | VCM = 0 V to +5 V, -40°C ≤ TA ≤ +125°C |
| Large Signal Voltage Gain | 125 dB to 145 dB | RL = 10 kΩ, VO = 0.3 V to 4.7 V, -40°C ≤ TA ≤ +125°C |
| Supply Current | 700 μA/op amp | - |
| Output Voltage High | 4.99 V to 4.998 V | RL = 100 kΩ to GND |
| Package | 14-SOIC (0.154, 3.90mm Width) | - |
Key Features
- Zero-drift architecture for ultralow offset voltage and drift.
- Rail-to-rail input and output swings.
- Single-supply operation from 2.7 V to 5 V.
- No external capacitors required.
- Low supply current of 700 μA per op amp.
- High common-mode rejection ratio (CMRR) and large signal voltage gain.
- Input overvoltage protection.
- Output overdrive recovery time of 50 μs.
Applications
- Temperature sensors.
- Pressure sensors.
- Precision current sensing.
- Strain gage amplifiers.
- Medical instrumentation.
- Thermocouple amplifiers.
Q & A
- What is the offset voltage of the AD8554ARZ?
The offset voltage of the AD8554ARZ is 1 μV. - What is the operating supply voltage range for the AD8554ARZ?
The AD8554ARZ operates from a single supply voltage ranging from 2.7 V to 5 V. - Does the AD8554ARZ require external capacitors?
No, the AD8554ARZ does not require external capacitors. - What is the common-mode rejection ratio (CMRR) of the AD8554ARZ?
The CMRR of the AD8554ARZ is 120 dB to 140 dB. - What are the typical applications of the AD8554ARZ?
The AD8554ARZ is typically used in temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers. - What is the output overdrive recovery time of the AD8554ARZ?
The output overdrive recovery time of the AD8554ARZ is 50 μs. - How many channels does the AD8554ARZ have?
The AD8554ARZ is a quad operational amplifier, meaning it has four channels. - What is the package type of the AD8554ARZ?
The AD8554ARZ comes in a 14-SOIC package. - What is the input bias current range of the AD8554ARZ?
The input bias current range of the AD8554ARZ is 10 pA to 70 pA. - What is the large signal voltage gain of the AD8554ARZ?
The large signal voltage gain of the AD8554ARZ is 125 dB to 145 dB.
