Overview
The AD548KN is a precision, low power monolithic operational amplifier produced by Analog Devices Inc. This device is designed to offer high performance with low power consumption, making it ideal for a variety of applications requiring precision and efficiency.
The AD548KN is an enhanced replacement for industry-standard op amps such as the LF441 and TL061, offering significant improvements in DC and AC performance while reducing power dissipation by up to 85%.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Quiescent Current | 170 | 200 | 200 | μA |
| Input Bias Current (warmed up) | 10 pA | |||
| Input Offset Voltage | 2 mV | |||
| Offset Voltage Drift | 20 μV/°C | |||
| Slew Rate | 1.8 | V/μs | ||
| Unity Gain Bandwidth | 1 MHz | |||
| Operating Supply Voltage | ±4.5 V | ±18 V | ||
| Operating Temperature Range | 0°C | 70°C (Commercial), -40°C to +85°C (Industrial) | ||
| Package Type | 8-DIP (0.300, 7.62mm) |
Key Features
- Low quiescent current of 200 μA max, reducing power consumption significantly.
- Low input bias current of 10 pA max when warmed up, ensuring high precision.
- Guaranteed low input offset voltage (2 mV max) and drift (20 μV/°C max) using laser drift trimming technology.
- High slew rate of 1.8 V/μs and unity gain bandwidth of 1 MHz, enhancing AC performance.
- Available in various packages including 8-lead plastic mini-DIP and surface-mount (SOIC) packages.
- Pin compatible with industry-standard op amps like LF441, TL061, and AD542, facilitating easy upgrades.
Applications
The AD548KN is suitable for a wide range of high-performance, low-power applications, including:
- Precision instrumentation and measurement systems.
- Low-power audio and signal processing circuits.
- Medical devices requiring high accuracy and low power consumption.
- Industrial control systems where precision and reliability are critical.
- Automotive electronics where low power and high performance are essential.
Q & A
- What is the quiescent current of the AD548KN?
The quiescent current of the AD548KN is 200 μA max.
- What is the input bias current of the AD548KN when warmed up?
The input bias current is 10 pA max when warmed up.
- What is the input offset voltage of the AD548KN?
The input offset voltage is 2 mV max.
- What is the slew rate of the AD548KN?
The slew rate is 1.8 V/μs.
- What is the unity gain bandwidth of the AD548KN?
The unity gain bandwidth is 1 MHz.
- What are the operating supply voltage ranges for the AD548KN?
The operating supply voltage ranges from ±4.5 V to ±18 V.
- What are the operating temperature ranges for the AD548KN?
The commercial version operates from 0°C to 70°C, while the industrial version operates from -40°C to +85°C.
- In what packages is the AD548KN available?
The AD548KN is available in 8-lead plastic mini-DIP and surface-mount (SOIC) packages.
- Is the AD548KN 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 AD548KN?
Typical applications include precision instrumentation, low-power audio and signal processing, medical devices, industrial control systems, and automotive electronics.
