Overview
The AD8571ARMZ-REEL is a single-channel, zero-drift, single-supply, rail-to-rail input/output operational amplifier manufactured by Analog Devices Inc. This device combines low cost with high accuracy, utilizing a spread-spectrum, auto-zero technique to eliminate intermodulation effects. It operates from a single supply of 2.7 V to 5.5 V and is designed for applications requiring high precision and minimal drift over a wide temperature range.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Bias Current | 10 pA typical | -40°C ≤ TA ≤ +125°C |
| Supply Current per Amplifier | 850 μA typical | -40°C ≤ TA ≤ +125°C |
| Input Offset Voltage | 1 μV typical | -40°C ≤ TA ≤ +125°C |
| Offset Voltage Drift | 0.005 μV/°C typical | -40°C ≤ TA ≤ +125°C |
| Common-Mode Rejection Ratio (CMRR) | 140 dB typical | VCM = 0 V to 5 V |
| Power Supply Rejection Ratio (PSRR) | 130 dB typical | VS = 2.7 V to 5.5 V |
| Slew Rate | 0.4 V/μs typical | RL = 10 kΩ |
| Gain Bandwidth Product | 1.5 MHz typical | - |
| Output Voltage High | 4.99 V typical @ RL = 100 kΩ to GND | -40°C to +125°C |
| Output Voltage Low | 10 mV typical @ RL = 100 kΩ to V+ | -40°C to +125°C |
| Operating Temperature | -40°C to +125°C | - |
| Package | 8-MSOP, 8-TSSOP | - |
Key Features
- Zero-drift, single-supply operational amplifier
- Rail-to-rail input and output swings
- Ultralow input bias current: 10 pA typical
- Low supply current: 850 μA per op amp
- No external capacitors required
- High common-mode rejection ratio (CMRR): 140 dB typical
- High power supply rejection ratio (PSRR): 130 dB typical
- Fast overload recovery time: 50 μs
Applications
- Temperature sensors
- Pressure sensors
- Precision current sensing
- Strain gauge amplifiers
- Medical instrumentation
- Thermocouple amplifiers
Q & A
- What is the typical input bias current of the AD8571ARMZ-REEL?
The typical input bias current is 10 pA. - What is the operating supply voltage range for the AD8571ARMZ-REEL?
The operating supply voltage range is from 2.7 V to 5.5 V. - Does the AD8571ARMZ-REEL require external capacitors?
No, the AD8571ARMZ-REEL does not require external capacitors. - What is the common-mode rejection ratio (CMRR) of the AD8571ARMZ-REEL?
The CMRR is typically 140 dB. - What are the typical output voltage high and low values for the AD8571ARMZ-REEL?
The typical output voltage high is 4.99 V, and the typical output voltage low is 10 mV. - What is the slew rate of the AD8571ARMZ-REEL?
The slew rate is typically 0.4 V/μs. - What is the gain bandwidth product of the AD8571ARMZ-REEL?
The gain bandwidth product is typically 1.5 MHz. - What are some common applications of the AD8571ARMZ-REEL?
Common applications include temperature sensors, pressure sensors, precision current sensing, strain gauge amplifiers, medical instrumentation, and thermocouple amplifiers. - What is the operating temperature range of the AD8571ARMZ-REEL?
The operating temperature range is from -40°C to +125°C. - What package types are available for the AD8571ARMZ-REEL?
The AD8571ARMZ-REEL is available in 8-MSOP and 8-TSSOP packages.
