Overview
The AD548JRZ is a precision, low power BiFET operational amplifier manufactured by Analog Devices Inc. This device is designed to offer excellent DC and AC performance, making it suitable for a variety of high-performance, low-power applications. The AD548JRZ is an enhanced replacement for op amps like the LF441 and TL061, providing significant improvements in power dissipation and performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | ±4.5 to ±18 | V |
| Quiescent Current | 170 to 200 | µA |
| Input Offset Voltage | 2 mV (max) | mV |
| Input Offset Voltage Drift | 20 µV/°C (max) | µV/°C |
| Bias Current | 10 pA (max, warmed up) | pA |
| Slew Rate | 1.8 V/µs | V/µs |
| Unity Gain Bandwidth | 1 MHz | MHz |
| Output Current | 15 mA | mA |
| Operating Temperature | 0°C to 70°C | °C |
| Package Type | 8-SOIC |
Key Features
- Low quiescent current (170 to 200 µA) and low input bias current (10 pA max, warmed up)
- Excellent DC performance with low input offset voltage (2 mV max) and drift (20 µV/°C max)
- High common-mode rejection (82 dB min on the “B” grade)
- High open-loop gain ensuring better than 12-bit linearity in high impedance buffer applications
- Available in 8-lead plastic mini-DIP and surface-mount (SOIC) packages
- Pin compatible with industry standard op amps like LF441, TL061, and AD542
Applications
The AD548JRZ is recommended for various applications requiring low power and high precision, such as:
- Battery-powered devices
- Precision instrument front ends
- CMOS DAC buffers
- High impedance buffer applications
Q & A
- What is the AD548JRZ?
The AD548JRZ is a precision, low power BiFET operational amplifier manufactured by Analog Devices Inc. - What are the key features of the AD548JRZ?
Key features include low quiescent current, low input bias current, excellent DC performance, high common-mode rejection, and high open-loop gain. - What is the supply voltage range of the AD548JRZ?
The supply voltage range is ±4.5 to ±18 V. - What is the maximum input offset voltage of the AD548JRZ?
The maximum input offset voltage is 2 mV. - What is the slew rate of the AD548JRZ?
The slew rate is 1.8 V/µs. - What is the unity gain bandwidth of the AD548JRZ?
The unity gain bandwidth is 1 MHz. - In what packages is the AD548JRZ available?
The AD548JRZ is available in 8-lead plastic mini-DIP and surface-mount (SOIC) packages. - Is the AD548JRZ pin compatible with other op amps?
Yes, it is pin compatible with industry standard op amps like LF441, TL061, and AD542. - What are some typical applications of the AD548JRZ?
Typical applications include battery-powered devices, precision instrument front ends, CMOS DAC buffers, and high impedance buffer applications. - What is the operating temperature range of the AD548JRZ?
The operating temperature range is 0°C to 70°C.
