Overview
The AD744KRZ-REEL is a precision, high-speed operational amplifier produced by Analog Devices Inc. This device is part of the AD744 family, known for its fast-settling and high-precision characteristics. The AD744KRZ-REEL is a FET input, monolithic operational amplifier that combines excellent DC performance with enhanced settling time, slew rate, and bandwidth. It is particularly suited for applications requiring high dynamic response and precision, such as in data acquisition systems, audio applications, and active filters.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Settling Time to 0.01% | 500 ns | |
| Settling Time to 0.0025% | 1.5 μs | |
| Slew Rate | 75 V/μs | |
| Total Harmonic Distortion (THD) | 0.0003% | |
| Gain Bandwidth Product (Internal Compensation) | 13 MHz | |
| Gain Bandwidth Product (External Compensation, G = 1000) | >200 MHz | |
| Capacitive Load Drive Capability | 1000 pF | |
| Input Offset Voltage (AD744B) | 0.5 mV max | |
| Input Offset Voltage Drift (AD744B) | 10 μV/°C max | |
| Open-Loop Gain (AD744B) | 250 V/mV min | |
| Power Supply Rated Performance | ±15 V | |
| Operating Range | ±4.5 V to ±18 V | |
| Quiescent Current | 3.5 mA to 5.0 mA |
Key Features
- Fast settling time: 500 ns to 0.01% and 1.5 μs to 0.0025% for a 10 V step.
- High slew rate: 75 V/μs.
- Low total harmonic distortion (THD): 0.0003%.
- High gain bandwidth product: 13 MHz (internal compensation) and >200 MHz (external compensation with G = 1000).
- Excellent DC precision: 0.5 mV max input offset voltage and 10 μV/°C max input offset voltage drift.
- High open-loop gain: 250 V/mV min.
- Capable of driving large capacitive loads: up to 1000 pF with a 10 V/μs slew rate.
- Available in various packages: Plastic Mini-DIP, Plastic SOIC, Hermetic Cerdip, Hermetic Metal Can, and Chip Form Surface Mount.
Applications
- Output buffers for 12-bit, 14-bit, and 16-bit DACs and ADCs.
- Cable drivers and wideband preamplifiers.
- Active filters in data acquisition systems.
- Demanding audio applications due to its low THD and high gain bandwidth product.
- Instrumentation amplifier circuits to minimize settling time in real-world applications.
Q & A
- What is the settling time of the AD744KRZ-REEL to 0.01%?
The settling time to 0.01% is 500 ns for a 10 V step.
- What is the slew rate of the AD744KRZ-REEL?
The slew rate is 75 V/μs.
- What is the total harmonic distortion (THD) of the AD744KRZ-REEL?
The THD is 0.0003%.
- What is the gain bandwidth product of the AD744KRZ-REEL with internal compensation?
The gain bandwidth product with internal compensation is 13 MHz.
- What is the maximum input offset voltage of the AD744KRZ-REEL?
The maximum input offset voltage is 0.5 mV.
- What is the operating voltage range of the AD744KRZ-REEL?
The operating voltage range is ±4.5 V to ±18 V.
- What is the quiescent current of the AD744KRZ-REEL?
The quiescent current ranges from 3.5 mA to 5.0 mA.
- What are the typical applications of the AD744KRZ-REEL?
Typical applications include output buffers for DACs and ADCs, cable drivers, wideband preamplifiers, active filters, and demanding audio applications.
- What packages are available for the AD744KRZ-REEL?
The AD744KRZ-REEL is available in Plastic Mini-DIP, Plastic SOIC, Hermetic Cerdip, Hermetic Metal Can, and Chip Form Surface Mount packages.
- Can the AD744KRZ-REEL drive large capacitive loads?
Yes, it can drive up to 1000 pF with a 10 V/μs slew rate.
