Overview
The AD823ARZ is a dual precision, 16 MHz, JFET input operational amplifier produced by Analog Devices Inc. This op amp is designed to operate from a single supply of 3.0 V to 36 V or from dual supplies of ±1.5 V to ±18 V, making it versatile for various applications. The AD823 features high impedance FET inputs, rail-to-rail output, and low power consumption, making it suitable for driving both analog inputs and reference inputs in single-supply systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Voltage Range | 3 | - | 36 | V |
| Quiescent Current (Total) | 5.0 | 5.4 | 5.7 | mA |
| Gain Bandwidth Product | 12 | 15 | - | MHz |
| Slew Rate | 13 | 20 | - | V/µs |
| Input Resistance | 1013 | - | - | Ω |
| Input Capacitance | 1.8 | - | - | pF |
| Common-Mode Rejection Ratio (CMRR) | 54 | 70 | - | dB |
| Output Voltage Swing | 0.025 to 3.275 | - | - | V |
| Short-Circuit Current (Sourcing) | 40 | - | - | mA |
| Short-Circuit Current (Sinking) | 30 | - | - | mA |
| Capacitive Load Drive | 500 | - | - | pF |
Key Features
- Dual precision operational amplifier with JFET input stage.
- High impedance FET inputs suitable for minimal loading of high output impedance devices.
- Rail-to-rail output, making it useful as an A/D driver in single-supply systems.
- Operates from a single supply of 3.0 V to 36 V or from dual supplies of ±1.5 V to ±18 V.
- Low power consumption with a quiescent current of 5.0 mA to 5.7 mA per total.
- High gain bandwidth product of 12 MHz to 15 MHz.
- Fast slew rate of 13 V/µs to 20 V/µs.
- High common-mode rejection ratio (CMRR) of 54 dB to 70 dB.
Applications
- A/D drivers in single-supply systems, capable of driving both the analog input and reference input of the A/D converter.
- Signal conditioning and amplification in various analog circuits.
- High-frequency applications requiring low distortion and high bandwidth.
- Systems requiring low power consumption and high precision.
- Medical and industrial instrumentation where high input impedance and low noise are critical.
Q & A
- What is the operating voltage range of the AD823ARZ?
The AD823ARZ operates 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 gain bandwidth product of the AD823ARZ?
The gain bandwidth product of the AD823ARZ is 12 MHz to 15 MHz.
- What is the slew rate of the AD823ARZ?
The slew rate of the AD823ARZ is 13 V/µs to 20 V/µs.
- What is the input resistance of the AD823ARZ?
The input resistance of the AD823ARZ is 1013 Ω.
- What is the common-mode rejection ratio (CMRR) of the AD823ARZ?
The CMRR of the AD823ARZ is 54 dB to 70 dB.
- Can the AD823ARZ drive capacitive loads?
Yes, the AD823ARZ can drive capacitive loads up to 500 pF.
- What are the typical applications of the AD823ARZ?
The AD823ARZ is typically used as an A/D driver, in signal conditioning, high-frequency applications, and in systems requiring low power consumption and high precision.
- How many channels does the AD823ARZ have?
The AD823ARZ is a dual operational amplifier, meaning it has two channels.
- What is the package type of the AD823ARZ?
The AD823ARZ is available in SOIC package type.
- What is the quiescent current of the AD823ARZ?
The quiescent current of the AD823ARZ is 5.0 mA to 5.7 mA per total.
