Features • 1/10 supply current of a LM1458: 400 µA (max) • Low input bias current: 50 pA (max) • Low input offset voltage: 1 mV (max) • Low input offset voltage drift: 10 µV/°C (max) • High gain bandwidth: 1 MHz • High slew rate: 1 V/µs • Low noise voltage for low power: • Low input noise current: • High input impedance: 1012 • High gain VO = ±10V, RL = 10k: 50k (min) Description The LF442 dual low power operational amplifiers provide many of the same AC characteristics as the industry standard LM1458 while greatly improving the DC characteristics of the LM1458. The amplifiers have the same bandwidth, slew rate, and gain (10 k load) as the LM1458 and only draw one tenth the supply current of the LM1458. In addition the well matched high voltage JFET input devices of the LF442 reduce the input bias and offset currents by a factor of 10,000 over the LM1458. A combination of careful layout design and internal trimming guarantees very low input offset voltage and voltage drift. The LF442 also has a very low equivalent input noise voltage for a low power amplifier. The LF442 is pin compatible with the LM1458 allowing an immediate 10 times reduction in power drain in many applications. The LF442 should be used where low power dissipation and good electrical characteristics are the major considerations.

Also Recommended LM8272▲ Wider Bandwidth,lower Power Consumption,RRIO, Unlimited Cap Drive,smaller Package MY BRIEFCASE                                       Click any "Briefcase" icon to add an item

Typical Application click for larger image	Connection Diagram *click for larger image
Typical Performance click for larger image

Datasheet

Title		Size	Date	Other Language
	LF442 Dual Low Power JFET Input Operational Amplifier	501 Kbytes	13-Sep-04	日本語
	LF442 Mil-Aero Datasheet MNLF442M-X	125 Kbytes

Featured Application Notes

Title		Size	Date	Other Language
	AN-447: Protection Schemes for BI-FET Amplifiers and Switches	76 Kbytes	4-Nov-95

More Application Notes

Title		Size	Date	Other Language
	AN-294: Application Note 294 Special Sample and Hold Techniques	233 Kbytes	4-Oct-04
	AN-637: Realizing Trigonometric Functions with the Multifunction Converter LH0094	136 Kbytes	5-Aug-95

Design Tools

Title	Size	Date
Amplifiers Selection Guide software for Windows

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
LF442ACN	BIFET	0	12875	0	0	1065000	4	302196657
LF442CN	BIFET	0	12875	0	0	1065000	4	302196657

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.