Overview
The LT1490AIS8#TRPBF is a dual operational amplifier (op amp) produced by Analog Devices Inc. This device is part of the LT1490A/LT1491A series, known for its low input offset voltage and micropower operation. It is designed to operate on single and split supplies, making it versatile for various applications. The LT1490AIS8#TRPBF is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package and is lead-free and RoHS compliant.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | 0°C ≤ TA ≤ 70°C | 110 | 500 | 700 | μV |
| Input Offset Voltage (VOS) | –40°C ≤ TA ≤ 85°C | 220 | 1000 | 1200 | μV |
| Input Offset Voltage Drift | –40°C ≤ TA ≤ 85°C | 2 | 6 | μV/°C | |
| Input Offset Current (IOS) | VCM = 44V | 0.2 | 0.8 | nA | |
| Input Bias Current (IB) | VCM = 44V, VS = 0V | 1 | 3 | nA | |
| Common Mode Rejection Ratio (CMRR) | VCM = 0.3V to VCC –1V | 60 | dB | ||
| Input Voltage Range | 0.3 | 44 | V | ||
| Supply Voltage Range | ±1 | ±22 | V | ||
| Slew Rate (SR) | AV = –1, RL = ∞, VO = ±10V | 0.0375 | V/μs | ||
| Operating Temperature Range | –40 | 85 | °C |
Key Features
- Low Input Offset Voltage: The LT1490AIS8#TRPBF has a low input offset voltage, typically 500μV, ensuring high accuracy in applications.
- Micropower Operation: This op amp is designed for low power consumption, making it suitable for battery-powered devices and other low-power applications.
- Wide Supply Voltage Range: It can operate on single and split supplies from ±1V to ±22V, providing flexibility in various circuit designs.
- High Common Mode Rejection Ratio (CMRR): With a CMRR of 60dB, it offers good rejection of common-mode signals, enhancing signal integrity.
- Lead-Free and RoHS Compliant: The device is packaged in an 8-pin SOIC package and is lead-free and RoHS compliant, meeting environmental standards.
Applications
The LT1490AIS8#TRPBF is suitable for a variety of applications due to its low power consumption, low input offset voltage, and wide supply voltage range. Some common applications include:
- Portable Electronics: Ideal for battery-powered devices such as handheld instruments and portable medical equipment.
- Industrial Control Systems: Used in control circuits, signal conditioning, and data acquisition systems.
- Automotive Systems: Suitable for automotive electronics that require low power and high accuracy.
- Medical Devices: Applied in medical equipment where low noise and high precision are critical.
Q & A
- What is the typical input offset voltage of the LT1490AIS8#TRPBF?
The typical input offset voltage is 500μV. - What is the operating temperature range of the LT1490AIS8#TRPBF?
The operating temperature range is –40°C to 85°C. - What is the supply voltage range for the LT1490AIS8#TRPBF?
The supply voltage range is ±1V to ±22V. - Is the LT1490AIS8#TRPBF lead-free and RoHS compliant?
Yes, it is lead-free and RoHS compliant. - What is the common mode rejection ratio (CMRR) of the LT1490AIS8#TRPBF?
The CMRR is 60dB. - What is the slew rate of the LT1490AIS8#TRPBF?
The slew rate is typically 0.0375 V/μs. - What package type is the LT1490AIS8#TRPBF available in?
The device is packaged in an 8-pin SOIC package. - What are some common applications of the LT1490AIS8#TRPBF?
Common applications include portable electronics, industrial control systems, automotive systems, and medical devices. - What is the input bias current of the LT1490AIS8#TRPBF?
The input bias current is typically 1 nA to 3 nA. - What is the input noise voltage density of the LT1490AIS8#TRPBF?
The input noise voltage density is 50 nV/√Hz at f = 1kHz.
