Overview
The LT1678IS8#TRPBF, produced by Analog Devices Inc., is a dual low noise, rail-to-rail, precision operational amplifier. This component is part of the LT1678/LT1679 series, known for its high performance and versatility in various analog circuits. The LT1678IS8#TRPBF is particularly valued for its low noise characteristics, precision, and robust performance across a wide range of operating conditions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | 0°C ≤ TA ≤ 70°C | 20 | 150 | 350 | µV |
| Input Offset Voltage (VOS) | –40°C ≤ TA ≤ 85°C | 30 | 350 | 420 | µV |
| Input Noise Voltage (en) | VCM = VO = 2.5V | 3.9 | nV/√Hz | ||
| Output Voltage Swing Low (VOL) | ISINK = 2.5mA, 0°C ≤ TA ≤ 70°C | 170 | 250 | 350 | mV |
| Output Voltage Swing High (VOH) | ISOURCE = 0.1mA, 0°C ≤ TA ≤ 70°C | 75 | 150 | 250 | mV |
| Input Bias Current (IB) | 0°C ≤ TA ≤ 70°C | ±2 | ±20 | nA | |
| Power Supply Rejection Ratio (PSRR) | VS = ±1.7V to ±18V | 96 | 100 | 123 | dB |
| Operating Supply Current | 2.5 | mA | |||
| Output Current per Channel | 35 | mA |
Key Features
- Low Noise: The LT1678IS8#TRPBF features a wideband noise of 3.9 nV/√Hz and a 1/f corner frequency of 4 Hz, making it suitable for high-precision applications.
- Rail-to-Rail Operation: This op amp can operate with input and output voltages that swing to the supply rails, enhancing its versatility in various circuit designs.
- Precision Performance: It offers low input offset voltage (VOS) and low input bias current, ensuring high accuracy in analog signal processing.
- High PSRR and CMRR: The component boasts a high power supply rejection ratio (PSRR) of up to 123 dB and a common mode rejection ratio (CMRR) of up to 120 dB, making it robust against noise and common-mode signals.
- Wide Operating Temperature Range: The LT1678IS8#TRPBF operates over a temperature range of –40°C to 85°C, making it suitable for a variety of environmental conditions.
Applications
- High-Precision Instrumentation: The low noise and high precision of the LT1678IS8#TRPBF make it ideal for use in precision instrumentation, such as medical devices and scientific instruments.
- Audio and Video Equipment: Its rail-to-rail operation and low noise characteristics are beneficial in audio and video circuits where signal fidelity is crucial.
- Industrial Control Systems: The component's robust performance and wide operating temperature range make it suitable for industrial control systems and automation.
- Medical Devices: The high precision and low noise of the LT1678IS8#TRPBF are valuable in medical devices such as ECGs, EEGs, and other diagnostic equipment.
Q & A
- What is the typical input noise voltage of the LT1678IS8#TRPBF?
The typical input noise voltage is 3.9 nV/√Hz.
- What is the operating supply current of the LT1678IS8#TRPBF?
The operating supply current is typically 2.5 mA.
- What is the output current per channel of the LT1678IS8#TRPBF?
The output current per channel is 35 mA.
- What is the power supply rejection ratio (PSRR) of the LT1678IS8#TRPBF?
The PSRR is up to 123 dB.
- What is the common mode rejection ratio (CMRR) of the LT1678IS8#TRPBF?
The CMRR is up to 120 dB.
- What is the input offset voltage (VOS) range of the LT1678IS8#TRPBF?
The VOS range is from 20 µV to 350 µV over the temperature range of 0°C to 70°C.
- What is the output voltage swing low (VOL) of the LT1678IS8#TRPBF?
The VOL is typically 250 mV for ISINK = 2.5 mA at 0°C to 70°C.
- What is the packaging type of the LT1678IS8#TRPBF?
The packaging type is Tape & Reel (TR).
- What is the operating temperature range of the LT1678IS8#TRPBF?
The operating temperature range is –40°C to 85°C.
- What are some common applications of the LT1678IS8#TRPBF?
Common applications include high-precision instrumentation, audio and video equipment, industrial control systems, and medical devices.
