Overview
The AD744JRZ is a fast-settling, precision, FET input, monolithic operational amplifier produced by Analog Devices Inc. This device is renowned for its excellent DC characteristics and enhanced settling, slew rate, and bandwidth. It is internally compensated for stable operation as a unity gain inverter or as a noninverting amplifier with a gain of two or greater. The AD744JRZ offers the option of using custom compensation to achieve exceptional capacitive load drive capability, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 8-lead SOIC (Small Outline IC) |
| Temperature Range | 0°C to +70°C |
| Settling Time | 500 ns to 0.01% for 10 V step |
| Slew Rate | 75 V/µs typical |
| Gain Bandwidth Product | 13 MHz typical at G = –1 |
| Total Harmonic Distortion (THD) | 0.0003% typical |
| Offset Voltage | 0.5 mV maximum (AD744B) |
| Open-Loop Gain | 250 V/mV minimum (AD744B) |
| Capacitive Load Drive Capability | 1000 pF typical at gain = –1 |
| Input Bias Current | 30 pA typical |
| Operating Voltage Range | 4.5 V to 18 V |
Key Features
- Fast settling time of 500 ns to 0.01% 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 at G = –1.
- Exceptional capacitive load drive capability of up to 1000 pF.
- Low input bias current of 30 pA.
- Internal compensation for stable operation as a unity gain inverter or noninverting amplifier.
- Option for external compensation to enhance performance.
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.
- AC preamps in digital signal processing (DSP) front ends.
Q & A
- What is the settling time of the AD744JRZ? The AD744JRZ settles to 0.01% in 500 ns for a 10 V step.
- What is the slew rate of the AD744JRZ? The slew rate is 75 V/µs typical.
- What is the gain bandwidth product of the AD744JRZ? The gain bandwidth product is 13 MHz typical at G = –1.
- What is the total harmonic distortion (THD) of the AD744JRZ? The THD is 0.0003% typical.
- What is the capacitive load drive capability of the AD744JRZ? The AD744JRZ can drive up to 1000 pF capacitive loads.
- What are the operating temperature ranges for the AD744JRZ? The operating temperature range is 0°C to +70°C.
- What package types are available for the AD744JRZ? The AD744JRZ is available in an 8-lead SOIC package.
- What are some common applications of the AD744JRZ? Common applications include output buffers for DACs and ADCs, cable drivers, wideband preamplifiers, and active filters.
- Can the AD744JRZ be used in high-gain configurations? Yes, the AD744JRZ can be used in high-gain configurations with external decompensation to achieve a gain bandwidth product of over 200 MHz.
- Is the AD744JRZ RoHS compliant? Yes, the AD744JRZ is RoHS compliant.
