Overview
The LT1677IS8#PBF is a low noise, rail-to-rail precision operational amplifier (op amp) produced by Analog Devices Inc. This device is renowned for its exceptional noise performance, making it suitable for a wide range of applications requiring high precision and low noise levels. The LT1677 features a single channel with a high gain bandwidth product and fast slew rate, ensuring excellent signal integrity and stability.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage Range | 3V to ±18V | V | |||
| Gain Bandwidth Product (GBW) | fO = 100kHz | 3.7 | 4.5 | 7.2 | MHz |
| Slew Rate | RL ≥ 10k | 1.2 | 2.0 | 2.5 | V/µs |
| Total Harmonic Distortion (THD) | RL = 2k, AV = 1, fO = 1kHz, VO = 10VP-P | 0.0006 | % | ||
| Settling Time (0.1% and 0.01%) | 10V Step, AV = +1 | 5 | 6 | µs | |
| Open-Loop Output Resistance | IOUT = 0 | 80 | Ω | ||
| Supply Current | –40°C ≤ TA ≤ 85°C | 2.75 | 3.5 | 4.0 | mA |
| Operating Temperature Range | –40°C | 85°C | °C | ||
| Storage Temperature Range | –65°C | 150°C | °C |
Key Features
- Low Noise Performance: The LT1677 features a wideband noise of 3.2nV/Hz and a 1/f corner frequency of 13Hz, making it one of the lowest noise operational amplifiers available.
- Rail-to-Rail Input and Output: The device operates with a wide supply range from 3V to ±18V and provides rail-to-rail input and output capabilities, enhancing its versatility in various applications.
- High Gain Bandwidth Product and Slew Rate: With a gain bandwidth product of up to 7.2MHz and a slew rate of 2.5V/µs, the LT1677 ensures fast and accurate signal processing.
- Low Total Harmonic Distortion (THD): The device exhibits a low THD of 0.0006% at specific conditions, which is crucial for maintaining signal integrity.
- Fast Settling Time: The LT1677 has a settling time of 5µs to 0.1% and 6µs to 0.01% for a 10V step, ensuring rapid response to input changes.
Applications
The LT1677IS8#PBF is suitable for a variety of applications that require low noise and high precision. These include:
- Audio Equipment: Due to its low noise and high signal fidelity, it is ideal for audio amplifiers and filters.
- Medical Devices: The low noise performance makes it suitable for medical equipment such as ECG and EEG machines.
- Industrial Control Systems: It can be used in control systems where precision and stability are critical.
- Test and Measurement Equipment: The device's high accuracy and low noise make it a good fit for test and measurement instruments.
Q & A
- What is the supply voltage range of the LT1677IS8#PBF?
The supply voltage range is from 3V to ±18V. - What is the gain bandwidth product (GBW) of the LT1677?
The GBW is up to 7.2MHz at fO = 100kHz. - What is the slew rate of the LT1677?
The slew rate is up to 2.5V/µs. - What is the total harmonic distortion (THD) of the LT1677?
The THD is 0.0006% under specific conditions. - What is the settling time of the LT1677?
The settling time is 5µs to 0.1% and 6µs to 0.01% for a 10V step. - What is the operating temperature range of the LT1677IS8#PBF?
The operating temperature range is –40°C to 85°C. - What is the storage temperature range of the LT1677IS8#PBF?
The storage temperature range is –65°C to 150°C. - What package types are available for the LT1677IS8#PBF?
The device is available in SOIC (8-pin) and PDIP (8-pin) packages. - Is the LT1677IS8#PBF lead-free?
Yes, the LT1677IS8#PBF is available in lead-free options. - What are some typical applications of the LT1677IS8#PBF?
Typical applications include audio equipment, medical devices, industrial control systems, and test and measurement equipment.
