LTC1490ACDD Dual Micropower Operational Amplifier

The LTC1490ACDD from Linear Technology is a highly versatile dual operational amplifier designed for applications that require low power consumption without sacrificing performance. This dual op-amp is part of Linear Technology's precision amplifier product line and is optimized for single or dual supply operation, making it suitable for battery-powered devices and portable equipment.

With its micropower specifications, the LTC1490ACDD consumes a mere 50µA of supply current per operational amplifier, which is a critical feature for power-sensitive designs. Additionally, the device is capable of operating over a wide supply range of 2V to 36V, or ±1V to ±18V for dual supply configurations, providing flexibility in various circuit designs.

The LTC1490ACDD boasts an impressive input offset voltage of just 500µV max and an input bias current of 25nA, ensuring high accuracy in measurement and control applications. Its rail-to-rail output swing ensures maximum dynamic range, which is particularly beneficial when working with low supply voltages.

The device is housed in a compact 10-lead DFN (3mm × 3mm) package, which is ideal for space-constrained applications. The LTC1490ACDD is also characterized for operation from -40°C to 85°C, making it reliable for use in a wide range of environmental conditions.

Key features of the LTC1490ACDD include:

• Low Supply Current: 50µA per Amplifier
• Wide Supply Range: 2V to 36V (Single Supply) or ±1V to ±18V (Dual Supply)
• Input Offset Voltage: 500µV Max
• Input Bias Current: 25nA
• Rail-to-Rail Output Swing
• Operating Temperature Range: -40°C to 85°C
• Compact 10-Lead DFN Package

Applications for the LTC1490ACDD include portable instrumentation, battery management, sensor interfaces, and any other circuits where power efficiency is a critical concern. Its combination of low power consumption, wide supply range, and compact size makes the LTC1490ACDD a smart choice for designers looking to optimize their power-sensitive systems.