Overview
The AD8676BRMZ-REEL is a precision operational amplifier manufactured by Analog Devices Inc. This device is renowned for its ultralow offset, drift, and voltage noise, combined with very low input bias currents over the full operating temperature range. It features a rail-to-rail output, wide bandwidth, and low power consumption, making it a versatile component for various precision applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | B Grade (SOIC, MSOP), T_A = 25°C | 12 | 50 | 100 | μV |
| Offset Voltage | VOS | A Grade (SOIC, MSOP), -40°C ≤ T_A ≤ +125°C | 15 | 160 | 250 | μV |
| Input Bias Current | IB | T_A = 25°C | -2 | 2 | nA | |
| Output Voltage Low | VOL | R_L = 10 kΩ to ground, T_A = 25°C | -4.98 | -4.90 | -4.85 | V |
| Short-Circuit Limit | ISC | T_A = 25°C | 40 | mA | ||
| Power Supply Rejection Ratio | PSRR | V_S = ±5.0 V to ±15.0 V, T_A = 25°C | 106 | 120 | dB | |
| Supply Current/Amplifier | ISY | V_O = 0 V, T_A = 25°C | 2.5 | 3.2 | 3.8 | mA |
| Slew Rate | SR | R_L = 2 kΩ, T_A = 25°C | 2.5 | V/μs | ||
| Gain Bandwidth Product | GBP | T_A = 25°C | 10 | MHz | ||
| Voltage Noise Density | en | f = 1 kHz, T_A = 25°C | 2.8 | nV/√Hz | ||
| Current Noise Density | in | f = 10 Hz, T_A = 25°C | 0.3 | pA/√Hz | ||
| Operating Voltage Range | V_S | ±5 V | ±18 V | V | ||
| Operating Temperature Range | T_A | -40°C | +125°C | °C | ||
| Package Type | 8-Lead MSOP |
Key Features
- Ultralow Offset and Drift: The AD8676 features very low offset voltage (up to 60 μV max) and low input offset drift (0.6 μV/°C max).
- Low Voltage Noise: It has a very low voltage noise density of 2.8 nV/√Hz at 1 kHz.
- Rail-to-Rail Output: The amplifier offers a rail-to-rail output swing, making it suitable for a wide range of applications.
- Low Input Bias Current: The input bias current is very low, with a maximum of 2 nA.
- High Gain and Slew Rate: The device has a high gain bandwidth product of 10 MHz and a slew rate of 2.5 V/μs.
- Wide Operating Voltage Range: It operates over a voltage range of ±5 V to ±18 V.
- Compact Packaging: Available in an 8-lead MSOP package, which is lead-free and RoHS compliant.
Applications
- Precision Instrumentation: Ideal for applications requiring high precision and low noise, such as precision instrumentation and measurement systems.
- PLL Filters: Suitable for use in phase-locked loop (PLL) filters due to its low noise and high precision characteristics.
- Laser Diode Control Loops: Used in control loops for laser diodes where precision and stability are crucial.
- Strain Gauge Amplifiers: Effective in strain gauge applications where low noise and high accuracy are necessary.
- Medical Instrumentation: Applied in medical devices that require high precision and reliability.
- Thermocouple Amplifiers: Used in thermocouple amplifiers for precise temperature measurements).
Q & A
- What is the typical offset voltage of the AD8676?
The typical offset voltage of the AD8676 is up to 60 μV max for B Grade and 100 μV max for A Grade).
- What is the voltage noise density of the AD8676?
The voltage noise density of the AD8676 is 2.8 nV/√Hz at 1 kHz).
- What is the input bias current of the AD8676?
The input bias current of the AD8676 is a maximum of 2 nA).
- What is the slew rate of the AD8676?
The slew rate of the AD8676 is 2.5 V/μs).
- What is the gain bandwidth product of the AD8676?
The gain bandwidth product of the AD8676 is 10 MHz).
- What is the operating temperature range of the AD8676?
The operating temperature range of the AD8676 is -40°C to +125°C).
- What package types are available for the AD8676?
The AD8676 is available in 8-lead MSOP and 8-lead narrow SOIC packages).
- Is the AD8676 RoHS compliant?
Yes, the AD8676 is RoHS compliant).
- What are some common applications of the AD8676?
The AD8676 is commonly used in precision instrumentation, PLL filters, laser diode control loops, strain gauge amplifiers, medical instrumentation, and thermocouple amplifiers).
- What is the power supply rejection ratio (PSRR) of the AD8676?
The power supply rejection ratio (PSRR) of the AD8676 is 106 dB to 120 dB).
