Overview
The AD744KRZ is a precision, fast-settling, FET input, monolithic operational amplifier produced by Analog Devices Inc. This amplifier combines advanced processing technology, laser wafer drift trimming, and well-matched ion-implanted JFETs to offer outstanding DC precision and dynamic performance. It is particularly suited for applications requiring high-speed and high-precision amplification.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Slew Rate | 75 | V/μs | Minimum, 100% tested |
| Settling Time | 500 ns | - | To 0.01% for 10 V step |
| Gain Bandwidth Product | 13 MHz | - | Internal Compensation |
| Input Offset Voltage | 0.5 mV max | mV | AD744B, after 5 minutes of operation at T_A = +25°C |
| Input Bias Current | 30 pA | pA | Guaranteed maximum at either input after 5 minutes of operation at T_A = +25°C |
| Supply Voltage | ±4.5 V to ±18 V | V | Operating Range |
| Quiescent Current | 3.5 mA to 5.0 mA | mA | Typical, depending on supply voltage |
| Output Current | 25 mA | mA | Short Circuit |
| Operating Temperature | 0°C to 70°C | °C | - |
| Package | 8-SOIC | - | - |
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 (internal compensation)
- Exceptional capacitive load drive capability with external compensation
- Outstanding DC precision with low input offset voltage and bias current
Applications
- Output buffers for 12-bit, 14-bit, and 16-bit DACs and ADCs
- Cable drivers and preamplifiers
- Active filters in data acquisition systems
- Demanding audio applications due to low THD
Q & A
- What is the settling time of the AD744KRZ for a 10 V step?
The AD744KRZ settles to 0.01% in 500 ns for a 10 V step
- What is the slew rate of the AD744KRZ?
The slew rate of the AD744KRZ is 75 V/μs
- What is the gain bandwidth product of the AD744KRZ?
The gain bandwidth product of the AD744KRZ is 13 MHz with internal compensation
- What is the input offset voltage of the AD744KRZ?
The input offset voltage of the AD744KRZ is 0.5 mV max for the AD744B version
- What is the operating temperature range of the AD744KRZ?
The operating temperature range of the AD744KRZ is 0°C to 70°C
- What are the typical applications of the AD744KRZ?
The AD744KRZ is typically used as output buffers for DACs and ADCs, cable drivers, preamplifiers, active filters, and in demanding audio applications
- What is the package type of the AD744KRZ?
The AD744KRZ is available in an 8-SOIC package
- What is the supply voltage range for the AD744KRZ?
The supply voltage range for the AD744KRZ is ±4.5 V to ±18 V
- What is the quiescent current of the AD744KRZ?
The quiescent current of the AD744KRZ is typically 3.5 mA to 5.0 mA, depending on the supply voltage
- What is the total harmonic distortion (THD) of the AD744KRZ?
The total harmonic distortion (THD) of the AD744KRZ is 0.0003%
