Overview
The AD8571ARZ-REEL7 is a precision operational amplifier manufactured by Analog Devices Inc. This device is part of the AD8571 series, known for its zero-drift, single-supply, and rail-to-rail input/output characteristics. It is designed to provide high accuracy and low noise, making it suitable for demanding applications such as precision measurement, data acquisition, and instrumentation systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 1 Channel |
| GBP - Gain Bandwidth Product | 1.5 MHz |
| SR - Slew Rate | 400 mV/us |
| CMRR - Common Mode Rejection Ratio | 140 dB |
| Output Current per Channel | 30 mA |
| Ib - Input Bias Current | 50 pA |
| Vos - Input Offset Voltage | 1 uV |
| en - Input Voltage Noise Density | 51 nV/sqrt Hz |
| Supply Voltage - Min | 2.7 V |
| Supply Voltage - Max | 6 V |
| Operating Supply Current | 975 uA |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Mounting Style | SMD/SMT |
| Package / Case | MSOP-8, SOIC-8 |
| PSRR - Power Supply Rejection Ratio | 130 dB |
Key Features
- Zero-Drift Amplifier: Utilizes a spread-spectrum, auto-zero technique to eliminate intermodulation effects and provide high accuracy.
- Rail-to-Rail Input/Output: Allows for full input and output voltage swing, enhancing the amplifier's versatility.
- Low Offset Voltage and Drift: Features an input offset voltage of 1 uV and a drift of 0.005 uV/°C.
- Ultralow Input Bias Current: Typical input bias current of 10 pA.
- Low Supply Current: Operates with a supply current of 975 uA per amplifier.
- No External Capacitors Required: Simplifies the design and reduces component count.
- High CMRR and PSRR: Common Mode Rejection Ratio (CMRR) of 140 dB and Power Supply Rejection Ratio (PSRR) of 130 dB.
Applications
- Temperature Sensors: Ideal for precise temperature measurements.
- Pressure Sensors: Suitable for pressure sensing applications.
- Precision Current Sensing: Used in applications requiring accurate current measurement.
- Strain Gage Amplifiers: Enhances the signal from strain gages.
- Medical Instrumentation: Used in medical devices for precise signal amplification.
- Thermocouple Amplifiers: Suitable for thermocouple-based temperature measurement systems.
Q & A
- What is the input offset voltage of the AD8571ARZ-REEL7?
The input offset voltage is 1 uV.
- What is the typical input bias current of the AD8571ARZ-REEL7?
The typical input bias current is 10 pA.
- What is the operating supply voltage range for the AD8571ARZ-REEL7?
The operating supply voltage range is from 2.7 V to 6 V.
- What is the maximum operating temperature of the AD8571ARZ-REEL7?
The maximum operating temperature is +125°C.
- Does the AD8571ARZ-REEL7 require external capacitors?
No, external capacitors are not required.
- What is the slew rate of the AD8571ARZ-REEL7?
The slew rate is 400 mV/us.
- What is the gain bandwidth product (GBP) of the AD8571ARZ-REEL7?
The GBP is 1.5 MHz.
- What is the common mode rejection ratio (CMRR) of the AD8571ARZ-REEL7?
The CMRR is 140 dB.
- What are some typical applications of the AD8571ARZ-REEL7?
Typical applications include temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
- What is the package type for the AD8571ARZ-REEL7?
The package types are MSOP-8 and SOIC-8.
