Overview
The AD824ARZ-14-3V, produced by Analog Devices Inc., is a quad, FET input, single supply operational amplifier featuring rail-to-rail outputs. This amplifier is fabricated on Analog Devices' complementary bipolar process and is designed for a wide range of low voltage applications where low input current is a critical consideration. The AD824ARZ-14-3V operates from a single supply of 3 V to 30 V or dual supplies of ±1.5 V to ±15 V, making it versatile for various electronic systems. Its unique input stage allows the input voltage to extend beyond the negative supply and to the positive supply without phase inversion or latch-up, ensuring reliable operation in diverse environments.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | VS | 3 | - | 30 | V |
| Input Bias Current | IB | 2 | 4 | 12 | pA |
| Input Offset Voltage | VOS | 0.1 | 1.0 | 1.5 | mV |
| Common-Mode Rejection Ratio | CMRR | 60 | 80 | - | dB |
| Slew Rate | - | - | 2 | - | V/μs |
| Gain Bandwidth Product | - | - | 2 | - | MHz |
| Output Current per Channel | - | - | 12 | - | mA |
| Operating Temperature Range | - | -40 | - | 85 | °C |
Key Features
- Single Supply Operation: The AD824ARZ-14-3V can operate from a single supply of 3 V to 30 V or dual supplies of ±1.5 V to ±15 V.
- Low Input Bias Current: Extremely low input bias current of 2 pA to 12 pA, making it suitable for high impedance sources.
- Rail-to-Rail Output Swing: The output voltage can swing to within 15 mV of the supplies, enhancing the dynamic range of the amplifier.
- Low Power Consumption: Each amplifier consumes a low supply current of 500 μA to 560 μA, ideal for battery-powered devices.
- High Bandwidth and Slew Rate: Features a gain bandwidth product of 2 MHz and a slew rate of 2 V/μs, ensuring good performance in high-frequency applications.
- No Phase Reversal: The unique input stage prevents phase inversion or latch-up, even when the input voltage exceeds the supply rails.
Applications
- Photo Diode Preamplifiers: Suitable for amplifying signals from photo diodes due to its low input bias current and high input impedance.
- Battery Powered Instrumentation: Ideal for battery-powered medical equipment and other portable instrumentation due to its low power consumption.
- Power Supply Control and Protection: Can be used in power supply control circuits to monitor and protect against voltage fluctuations.
- Medical Instrumentation: Used in various medical devices requiring high precision and low noise amplification.
- Remote Sensors and High Impedance Transducer Amplifiers: Suitable for amplifying signals from remote sensors and high impedance transducers.
Q & A
- What is the supply voltage range for the AD824ARZ-14-3V?
The AD824ARZ-14-3V can operate from a single supply of 3 V to 30 V or dual supplies of ±1.5 V to ±15 V.
- What is the input bias current of the AD824ARZ-14-3V?
The input bias current is typically 4 pA, with a maximum of 12 pA.
- What is the slew rate of the AD824ARZ-14-3V?
The slew rate is 2 V/μs.
- Can the AD824ARZ-14-3V handle capacitive loads?
Yes, it can handle capacitive loads up to 350 pF without oscillation.
- What is the common-mode rejection ratio (CMRR) of the AD824ARZ-14-3V?
The CMRR is typically 80 dB.
- What are the typical applications of the AD824ARZ-14-3V?
It is used in photo diode preamplifiers, battery-powered instrumentation, power supply control, medical instrumentation, and high impedance transducer amplifiers.
- What is the operating temperature range of the AD824ARZ-14-3V?
The operating temperature range is -40°C to 85°C.
- Is the AD824ARZ-14-3V RoHS compliant?
Yes, the AD824ARZ-14-3V is RoHS compliant.
- What is the package type of the AD824ARZ-14-3V?
The package type is 14-lead SOIC (Small Outline Integrated Circuit).
- Can the AD824ARZ-14-3V operate with input voltages beyond the supply rails?
Yes, the AD824ARZ-14-3V can safely handle input voltages that extend beyond the negative supply and to the positive supply without phase inversion or latch-up.
