Overview
The AD8671ARMZ-REEL, produced by Analog Devices Inc., is a high-precision operational amplifier known for its very low noise, low offset voltage, and low input bias current. This amplifier is part of the AD8671/AD8672/AD8674 family, which is renowned for its ultralow noise, high precision, and stability. The AD8671 is particularly suited for applications requiring high accuracy and low noise, such as precision filters, medical and analytical instrumentation, and professional quality audio.
Key Specifications
| Parameter | Value |
|---|---|
| Offset Voltage (VOS) | 20 µV to 75 µV (-40°C to +125°C) |
| Offset Voltage Drift (∆VOS/∆T) | 0.3 µV/°C to 0.5 µV/°C |
| Input Bias Current (IB) | -12 nA to +12 nA (+25°C to +125°C) |
| Input Offset Current (IOS) | -12 nA to +12 nA (+25°C to +125°C) |
| Bandwidth | 10 MHz |
| Gain Bandwidth Product (GBP) | 10 MHz |
| Slew Rate (SR) | 4 V/µs |
| Settling Time (tS) to 0.1% (4 V step, G = 1) | 1.4 µs |
| Supply Current per Amplifier (ISY) | 3 mA typ (VO = 0 V, -40°C to +125°C) |
| Power Supply Rejection Ratio (PSRR) | 110 dB to 130 dB (VS = ±4 V to ±18 V) |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | 8-lead MSOP |
Key Features
- Very low noise: 2.8 nV/√Hz voltage noise density and 77 nV p-p peak-to-peak noise
- Low offset voltage and drift: Ensures high precision over a wide temperature range
- Low input bias current: Minimizes input current errors
- High bandwidth and slew rate: Suitable for high-speed applications
- Low power consumption: 3 mA typical supply current per amplifier
- Stable with capacitive loads: Can handle loads over 1000 pF
- Dual-supply operation: Compatible with ±5 V to ±15 V supplies
Applications
- Precision filters for GPS and other high-accuracy systems
- Medical and analytical instrumentation
- Professional quality audio
- Precision power supply controls
- Automated Test Equipment (ATE) and data acquisition
- Sensors and controls
Q & A
- What is the typical offset voltage of the AD8671ARMZ? The typical offset voltage is 20 µV to 75 µV over the temperature range of -40°C to +125°C.
- What is the input bias current of the AD8671ARMZ? The input bias current ranges from -12 nA to +12 nA at +25°C to +125°C.
- What is the bandwidth of the AD8671ARMZ? The bandwidth is 10 MHz.
- What is the slew rate of the AD8671ARMZ? The slew rate is 4 V/µs.
- What is the typical supply current per amplifier for the AD8671ARMZ? The typical supply current per amplifier is 3 mA at VO = 0 V and over the temperature range of -40°C to +125°C.
- What is the operating temperature range of the AD8671ARMZ? The operating temperature range is -40°C to +125°C.
- What package types are available for the AD8671ARMZ? The AD8671ARMZ is available in an 8-lead MSOP package.
- What are some common applications of the AD8671ARMZ? Common applications include precision filters, medical and analytical instrumentation, professional quality audio, and precision power supply controls.
- How stable is the AD8671ARMZ with capacitive loads? The AD8671ARMZ is stable with capacitive loads over 1000 pF.
- What is the power supply rejection ratio (PSRR) of the AD8671ARMZ? The PSRR is 110 dB to 130 dB for VS = ±4 V to ±18 V.
