Overview
The AD8552AR from Analog Devices Inc. is a dual, zero-drift, single-supply operational amplifier. This device is part of the AD855x family, which includes single, dual, and quad amplifiers known for their ultralow offset voltage, drift, and bias current. The AD8552AR is designed to operate from a single supply voltage ranging from 2.7 V to 5.5 V, making it versatile for various applications. It features rail-to-rail input and output swings, high gain, and excellent common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), making it ideal for precision applications where error sources need to be minimized.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Amplifier Type | Chopper (Zero-Drift) | |
| Number of Circuits | 2 | |
| Output Type | Rail-to-Rail | |
| Slew Rate | 0.4 | V/μs |
| Gain Bandwidth Product | 1.5 | MHz |
| Input Bias Current | 10 | pA |
| Input Offset Voltage | 1 | μV |
| Supply Current | 700 | μA/op amp |
| Output Current per Channel | 30 | mA |
| Supply Voltage Range | 2.7 V to 5.5 V | |
| Operating Temperature Range | -40°C to +125°C | |
| Mounting Type | Surface Mount | |
| Package Type | 8-SOIC N |
Key Features
- Ultralow offset voltage of 1 μV and drift of 0.005 μV/°C, ensuring high accuracy over a wide temperature range.
- Rail-to-rail input and output swings, allowing for high-side and low-side sensing.
- High CMRR and PSRR of up to 130 dB, providing excellent noise rejection.
- Low supply current of 700 μA per op amp, making it power-efficient.
- No external capacitors required for operation.
- Fast overload recovery time of 50 μs.
- Extended industrial/automotive temperature range of -40°C to +125°C.
Applications
- Temperature sensors
- Pressure sensors
- Precision current sensing
- Strain gage amplifiers
- Medical instrumentation
- Thermocouple amplifiers
Q & A
- What is the input offset voltage of the AD8552AR?
The input offset voltage of the AD8552AR is 1 μV. - What is the operating temperature range of the AD8552AR?
The AD8552AR operates over a temperature range of -40°C to +125°C. - What is the supply voltage range for the AD8552AR?
The AD8552AR can operate from a single supply voltage ranging from 2.7 V to 5.5 V. - Does the AD8552AR require external capacitors?
No, the AD8552AR does not require external capacitors for operation. - What is the slew rate of the AD8552AR?
The slew rate of the AD8552AR is 0.4 V/μs. - What are the typical applications of the AD8552AR?
The AD8552AR is typically used in temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers. - What is the common-mode rejection ratio (CMRR) of the AD8552AR?
The CMRR of the AD8552AR is up to 130 dB. - What is the output current per channel of the AD8552AR?
The output current per channel of the AD8552AR is 30 mA. - What is the package type of the AD8552AR?
The AD8552AR is available in an 8-SOIC N package. - What is the input bias current of the AD8552AR?
The input bias current of the AD8552AR is 10 pA.
