Overview
The AD823ANZ, produced by Analog Devices Inc., is a dual precision operational amplifier (op amp) known for its high performance and versatility. This JFET input op amp operates over a wide range of supply voltages, from a single supply of 3.0 V to 36 V or from dual supplies of ±1.5 V to ±18 V. It is particularly valued for its high bandwidth, low noise, and low input bias currents, making it suitable for a variety of precision analog applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 3.0 | 36 | V | |
| Dual Supply Voltage Range | ±1.5 | ±18 | V | |
| Bandwidth (−3 dB) | 12 | 15 | 16 | MHz |
| Slew Rate | 13 | 20 | 22 | V/µs |
| Input Bias Current | 25 | pA | ||
| Offset Voltage | 800 | µV | ||
| Offset Voltage Drift | 2 | µV/°C | ||
| Output Current | 15 | mA | ||
| Capacitive Load Drive | 500 | pF | ||
| Power Supply Rejection Ratio | 70 | 80 | dB |
Key Features
- High Bandwidth and Slew Rate: The AD823 offers a bandwidth of up to 16 MHz and a slew rate of up to 22 V/µs, making it suitable for high-speed applications.
- Low Input Bias Current: With input bias currents below 25 pA, this op amp is ideal for applications requiring high input impedance.
- Low Noise and Offset Voltage: It features low input voltage noise and an offset voltage of 800 µV maximum, ensuring high precision.
- Rail-to-Rail Operation: The AD823 can operate from a single supply or dual supplies, providing flexibility in design.
- High Output Current and Capacitive Load Drive: It can drive up to 500 pF of direct capacitive load and provide an output current of 15 mA.
Applications
- Precision Analog Circuits: The AD823 is well-suited for precision analog circuits requiring high bandwidth and low noise.
- Instrumentation Amplifiers: Its high input impedance and low bias currents make it ideal for instrumentation amplifier applications.
- Active Filters and Integrators: The op amp's high bandwidth and slew rate are beneficial in active filter and integrator circuits.
- Medical and Industrial Equipment: It is used in various medical and industrial devices where precision and reliability are critical.
Q & A
- What is the supply voltage range for the AD823?
The AD823 can operate from a single supply of 3.0 V to 36 V or from dual supplies of ±1.5 V to ±18 V.
- What is the bandwidth of the AD823?
The bandwidth of the AD823 is up to 16 MHz.
- What is the slew rate of the AD823?
The slew rate of the AD823 is up to 22 V/µs.
- What is the input bias current of the AD823?
The input bias current of the AD823 is below 25 pA.
- What is the maximum offset voltage of the AD823?
The maximum offset voltage of the AD823 is 800 µV.
- Can the AD823 drive capacitive loads?
Yes, the AD823 can drive up to 500 pF of direct capacitive load.
- What is the output current capability of the AD823?
The AD823 can provide an output current of 15 mA.
- What is the power supply rejection ratio (PSRR) of the AD823?
The PSRR of the AD823 is between 70 dB and 80 dB.
- What are some common applications of the AD823?
The AD823 is commonly used in precision analog circuits, instrumentation amplifiers, active filters, and medical and industrial equipment.
- What process is the AD823 fabricated on?
The AD823 is fabricated on Analog Devices' proprietary complementary bipolar (CB) process.
