Overview
The AD8676BRMZ is a dual rail-to-rail output operational amplifier produced by Analog Devices Inc. It is part of a series of low noise op amps known for their precision, low power consumption, and wide bandwidth. This amplifier is particularly suited for applications requiring high accuracy and minimal noise, such as precision instrumentation, PLL circuits, position and pressure sensors, medical instrumentation, and strain gage amplifiers. The AD8676BRMZ is available in 8-lead MSOP and 8-lead narrow SOIC packages, both of which are lead-free and suitable for space-critical equipment due to their small size and low power consumption.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | B Grade (SOIC) | - | 12 | 50 | μV |
| Offset Voltage | VOS | B Grade (MSOP) | - | 60 | 50 | μV |
| Offset Voltage | VOS | A Grade (SOIC, MSOP) | - | 100 | - | μV |
| Input Bias Current | IB | - | -2 | 2 | nA | |
| Output Voltage Low | VOL | R_L = 10 kΩ to ground | -4.98 | -4.90 | -4.85 | V |
| Short-Circuit Limit | ISC | - | - | 40 | mA | |
| Supply Current/Amplifier | ISY | V_O = 0 V | 2.5 | 3.2 | 3.8 | mA |
| Slew Rate | SR | R_L = 2 kΩ | - | 2.5 | - | V/μs |
| Gain Bandwidth Product | GBP | - | - | 10 | MHz | |
| Voltage Noise Density | en | f = 1 kHz | - | 2.8 | - | nV/√Hz |
| Current Noise Density | in | f = 10 Hz | - | 0.3 | - | pA/√Hz |
Key Features
- Very Low Voltage Noise: 2.8 nV/√Hz at 1 kHz, making it ideal for high precision applications.
- Rail-to-Rail Output Swing: Allows for maximum output voltage range.
- Low Input Bias Current: Maximum of 2 nA, reducing errors in high impedance circuits.
- Low Offset Voltage: Typical offset voltage of 12 μV and low offset drift of 0.2 μV/°C.
- High Gain Bandwidth Product: 10 MHz, suitable for wide bandwidth applications.
- Low Power Consumption: Supply current of 2.5 mA to 3.8 mA per amplifier.
- Extended Industrial Temperature Range: Operates from −40°C to +125°C.
- Compact Packaging: Available in 8-lead MSOP and 8-lead narrow SOIC packages, both lead-free.
Applications
- Precision Instrumentation: Ideal for applications requiring high accuracy and low noise.
- PLL and Precision Filter Circuits: Benefits from the low noise and high precision of the AD8676.
- Position and Pressure Sensors: Suitable for sensor applications due to its low noise and high precision.
- Medical Instrumentation: Used in medical devices where low noise and high accuracy are critical.
- Strain Gage Amplifiers: Optimized for strain gage applications with its low noise and high precision.
Q & A
- What is the typical offset voltage of the AD8676BRMZ?
The typical offset voltage of the AD8676BRMZ is 12 μV.
- What is the voltage noise density of the AD8676BRMZ at 1 kHz?
The voltage noise density at 1 kHz is 2.8 nV/√Hz.
- What is the input bias current of the AD8676BRMZ?
The maximum input bias current is 2 nA.
- What are the available package types for the AD8676BRMZ?
The AD8676BRMZ is available in 8-lead MSOP and 8-lead narrow SOIC packages, both of which are lead-free.
- What is the operating temperature range of the AD8676BRMZ?
The operating temperature range is from −40°C to +125°C.
- What is the gain bandwidth product of the AD8676BRMZ?
The gain bandwidth product is 10 MHz.
- What is the slew rate of the AD8676BRMZ?
The slew rate is 2.5 V/μs with a load resistance of 2 kΩ.
- What are some typical applications of the AD8676BRMZ?
Typical applications include precision instrumentation, PLL and precision filter circuits, position and pressure sensors, medical instrumentation, and strain gage amplifiers.
- What is the supply current per amplifier for the AD8676BRMZ?
The supply current per amplifier is 2.5 mA to 3.8 mA.
- Is the AD8676BRMZ suitable for space-critical equipment?
Yes, the AD8676BRMZ is suitable for space-critical equipment due to its small package size and low power consumption.
