Overview
The AD8552AR-REEL7, produced by Analog Devices Inc., is a dual-channel, zero-drift operational amplifier. This device is part of the AD8551/AD8552/AD8554 family, known for its ultralow offset, drift, and bias current. It features rail-to-rail input and output swings and operates on a single supply from 2.7 V to 5 V. The AD8552AR-REEL7 combines high accuracy with low cost, making it an ideal choice for precision applications where error sources must be minimized.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Offset Voltage | 1 μV | - |
| Offset Voltage Drift | 0.005 μV/°C | -40°C ≤ TA ≤ +125°C |
| Input Offset Current | 10 pA to 50 pA | -40°C ≤ TA ≤ +125°C |
| Input Voltage Range | 0 V to 5 V | - |
| Common-Mode Rejection Ratio (CMRR) | 115 dB to 130 dB | VCM = 0 V to +5 V, -40°C ≤ TA ≤ +125°C |
| Large Signal Voltage Gain | 110 dB to 140 dB | RL = 10 kΩ, VO = 0.3 V to 4.7 V, -40°C ≤ TA ≤ +125°C |
| Supply Current | 700 μA per op amp | - |
| Output Voltage High | 4.99 V (RL = 100 kΩ to GND) | -40°C ≤ TA ≤ +85°C |
| Package | 8-SOIC | - |
| Operating Temperature Range | -40°C to +125°C | - |
Key Features
- Ultralow offset voltage of 1 μV and drift of 0.005 μV/°C
- 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 power supply rejection ratio (PSRR)
- Fast overload recovery time of 50 μs
- Input overvoltage protection
Applications
- Temperature sensors
- Pressure sensors
- Precision current sensing
- Strain gage amplifiers
- Medical instrumentation
- Thermocouple amplifiers
Q & A
- What is the offset voltage of the AD8552AR-REEL7?
The offset voltage is 1 μV.
- What is the operating temperature range of the AD8552AR-REEL7?
The operating temperature range is -40°C to +125°C.
- Does the AD8552AR-REEL7 require external capacitors?
No, external capacitors are not required.
- What is the supply current per op amp for the AD8552AR-REEL7?
The supply current per op amp is 700 μA.
- What is the common-mode rejection ratio (CMRR) of the AD8552AR-REEL7?
The CMRR is 115 dB to 130 dB.
- What are some typical applications of the AD8552AR-REEL7?
Typical applications include temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
- What is the package type of the AD8552AR-REEL7?
The package type is 8-SOIC.
- How does the AD8552AR-REEL7 handle input overvoltage?
The AD8552AR-REEL7 has input overvoltage protection.
- What is the overload recovery time of the AD8552AR-REEL7?
The overload recovery time is 50 μs.
- Is the AD8552AR-REEL7 suitable for high-accuracy applications?
Yes, it is highly suitable due to its ultralow offset and drift.
