Overview
The AD8674ARUZ-REEL, produced by Analog Devices Inc., is a high-precision, very low noise operational amplifier. This device is part of the AD8671/AD8672/AD8674 family, known for its exceptional performance in terms of noise, offset voltage, and input bias current. The AD8674 is particularly suited for applications requiring high precision, low noise, and stability. It is available in a 14-lead TSSOP package and is designed for surface-mount applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Offset Voltage (VOS) | 20 µV to 75 µV | –40°C to +125°C |
| Input Offset Voltage Drift (∆VOS/∆T) | 0.3 µV/°C to 0.8 µV/°C | –40°C to +125°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 |
| Input Voltage Range | –2.5 V to +2.5 V | |
| Common-Mode Rejection Ratio (CMRR) | Not specified | |
| Supply Voltage Range | ±5 V to ±18 V | |
| Supply Current per Amplifier (ISY) | 3 mA to 3.5 mA | VO = 0 V, –40°C to +125°C |
| Slew Rate (SR) | 4 V/µs | RL = 2 kΩ |
| Gain Bandwidth Product (GBP) | 10 MHz | |
| Voltage Noise Density (en) | 2.8 nV/√Hz to 3.8 nV/√Hz | f = 1 kHz |
| Output Voltage High (VOH) | +13.2 V to +13.8 V | RL = 2 kΩ, –40°C to +125°C |
| Output Voltage Low (VOL) | –13.8 V to –13.2 V | RL = 2 kΩ, –40°C to +125°C |
| Output Current (IOUT) | ±20 mA | |
| Short Circuit Current (ISC) | ±30 mA | |
| Operating Temperature Range | –40°C to +85°C | |
| Package Type | 14-lead TSSOP |
Key Features
- Very low noise: 2.8 nV/√Hz voltage noise density at 1 kHz.
- Low input bias current: –12 nA to +12 nA.
- Low offset voltage: 20 µV to 75 µV.
- High open-loop gain: 120 dB min.
- Wide bandwidth: 10 MHz.
- Low power consumption: 3 mA typical supply current per amplifier.
- Dual-supply operation: ±5 V to ±18 V.
- Unity-gain stable and no phase reversal.
- Stable with capacitive loads over 1000 pF.
Applications
- High-quality PLL filters and precision filters.
- Medical and analytical instrumentation.
- Precision power supply controls.
- Automatic Test Equipment (ATE) and data acquisition.
- Precision controls and professional quality audio.
- GPS and other sensor applications.
Q & A
- What is the typical supply current per amplifier for the AD8674? The typical supply current per amplifier is 3 mA at VO = 0 V and –40°C to +125°C.
- What is the slew rate of the AD8674? The slew rate is 4 V/µs with RL = 2 kΩ.
- What is the gain bandwidth product of the AD8674? The gain bandwidth product is 10 MHz.
- What is the input offset voltage range for the AD8674? The input offset voltage range is 20 µV to 75 µV from –40°C to +125°C.
- What is the operating temperature range for the AD8674? The operating temperature range is –40°C to +85°C.
- What package types are available for the AD8674? The AD8674 is available in 14-lead TSSOP and 14-lead SOIC packages.
- What is the output current capability of the AD8674? The output current capability is ±20 mA.
- Is the AD8674 suitable for high-frequency applications? Yes, with a bandwidth of 10 MHz, it is suitable for high-frequency applications.
- What are some common applications for the AD8674? Common applications include high-quality PLL filters, precision filters, medical and analytical instrumentation, and professional quality audio.
- Is the AD8674 RoHS compliant? Yes, the AD8674 is RoHS compliant.
