LF412CDRG4

Overview

The LF412CDRG4 is a dual JFET-input operational amplifier manufactured by Texas Instruments. It features a gain-bandwidth product of 3MHz and a slew rate of 13V/µs. The device operates on a single supply voltage ranging from 7V to 36V, or dual supplies from ±3.5V to ±18V. Each channel consumes 4.5mA of power current. The maximum input offset voltage is specified at 3mV. It is housed in an 8-pin SOIC package and functions within a commercial temperature range of 0°C to +70°C.

Feature Summary

• JFET input stage providing high input impedance
• Low input bias current characteristics
• High slew rate for fast signal response
• Wide single or dual supply voltage operation

Applications

• Audio preamplifiers
• Active filters
• Voltage followers

Procurement Notes

Verify the suffix 'G4' indicates lead-free and RoHS compliance per Texas Instruments standards. Confirm the package type matches the required PCB footprint. Ensure the operating temperature range meets the specific application environment requirements. Check for any specific ordering restrictions or environmental declarations in the official datasheet.

Selection Notes

Select this component when high input impedance and low bias current are required alongside moderate speed performance. The wide supply voltage range allows flexibility in system design. Compare against other JFET op-amps if lower noise or higher bandwidth is needed. Ensure the SOIC-8 package fits the mechanical constraints of the target assembly.

Part Context

This part belongs to the LF412 family of dual FET-input operational amplifiers. It is a cost-effective solution offering low input offset voltage and drift. The device is designed to maintain performance while requiring low power consumption. It serves as a general-purpose amplifier suitable for various analog signal processing tasks.

Replacement Considerations

The LF412CDRE4 is a verified equivalent part number with identical electrical specifications and pinout configuration.