Overview
The AD744JRZ-REEL7 is a precision, fast-settling, FET input, monolithic operational amplifier produced by Analog Devices Inc. It is part of the AD744 series, which offers excellent DC characteristics and enhanced settling, slew rate, and bandwidth. This amplifier is designed to provide high-speed performance at competitive prices, outperforming other similar op-amps in its class.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Settling Time to 0.01% | 500 ns | - | For 10 V Step |
| Settling Time to 0.0025% | 1.5 μs | - | For 10 V Step |
| Slew Rate | 75 V/μs | - | - |
| Total Harmonic Distortion (THD) | 0.0003% | - | - |
| Gain Bandwidth Product | 13 MHz | - | Internal Compensation |
| Gain Bandwidth Product (G = 1000) | >200 MHz | - | External Compensation |
| Offset Voltage (AD744B) | 0.5 mV max | - | - |
| Drift (AD744B) | 10 μV/°C max | - | - |
| Open-Loop Gain (AD744B) | 250 V/mV min | - | - |
| Capacitive Load Drive Capability | 1000 pF | - | With 10 V/μs Slew Rate, External Compensation |
| Power Supply Rated Performance | ±15 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 of 75 V/μs.
- Low total harmonic distortion (THD) of 0.0003%.
- High gain bandwidth product of 13 MHz (internally compensated) and over 200 MHz (externally compensated at G = 1000).
- Exceptional capacitive load drive capability of up to 1000 pF with a 10 V/μs slew rate.
- Outstanding DC precision with low offset voltage (0.5 mV max) and drift (10 μV/°C max).
- Available in various packages including Plastic Mini-DIP, Plastic SOIC, Hermetic Cerdip, and Hermetic Metal Can.
Applications
- Output buffers for 12-bit, 14-bit, and 16-bit DACs and ADCs.
- ADC and DAC buffers.
- Cable drivers.
- Wideband preamplifiers.
- Active filters in data acquisition systems.
- Demanding audio applications due to its low THD and high gain bandwidth product.
Q & A
- What is the settling time of the AD744 for a 10 V step?
The AD744 settles to 0.01% in 500 ns and to 0.0025% in 1.5 μs for a 10 V step.
- What is the slew rate of the AD744?
The slew rate of the AD744 is 75 V/μs.
- What is the total harmonic distortion (THD) of the AD744?
The THD of the AD744 is 0.0003%.
- What is the gain bandwidth product of the AD744?
The gain bandwidth product is 13 MHz (internally compensated) and over 200 MHz (externally compensated at G = 1000).
- What is the capacitive load drive capability of the AD744?
The AD744 can drive capacitive loads up to 1000 pF with a 10 V/μs slew rate.
- What are the DC precision characteristics of the AD744?
The AD744 has a low offset voltage of 0.5 mV max and a drift of 10 μV/°C max.
- In what packages is the AD744 available?
The AD744 is available in Plastic Mini-DIP, Plastic SOIC, Hermetic Cerdip, and Hermetic Metal Can packages.
- What are some common applications of the AD744?
Common applications include output buffers for DACs and ADCs, cable drivers, wideband preamplifiers, active filters, and demanding audio applications.
- What is the quiescent current of the AD744?
The quiescent current of the AD744 ranges from 3.5 mA to 5.0 mA.
- What is the power supply rated performance of the AD744?
The AD744 operates with a power supply rated performance of ±15 V.
