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LF355N, LF356, LF356AB

Table of contents:
Info of LF355N
Info of LF356
Info of LF356AB

LF355N, LF356, LF356AB Selling Leads, Datasheet

MFG:NS Package Cooled:DIP-8 D/C:05+

LF355N, LF356, LF356AB Datasheet download

Five Points

Part Number: LF355N

MFG: NS

Package Cooled: DIP-8

D/C: 05+

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LF356 General Description

These are the first monolithic JFET input operational ampli- fiers to incorporate well matched, high voltage JFETs on the same chip with standard bipolar transistors (BI-FET™ Tech- nology). These amplifiers feature low input bias and offset currents/low offset voltage and offset voltage drift, coupled with offset adjust which does not degrade drift or common-mode rejection. The devices are also designed for high slew rate, wide bandwidth, extremely fast settling time,low voltage and current noise and a low 1/f noise corner.

LF356 Maximum Ratings

If Military/Aerospace specified devices are required, contact the National Semiconductor Sales Office/Distributors for
availability and specifications.
                                                   LF155/6              LF256/7/LF356B            LF355/6/7
Supply Voltage                               ±22V                              ±22V                    ±18V
Differential Input Voltage               ±40V                               ±40V                   ±30V
Input Voltage Range (Note 2)        ±20V                              ±20V                    ±16V
Output Short Circuit Duration Continuous                     Continuous          Continuous
TJMAX
H-Package                                      150˚C                               115˚C                    115˚C
N-Package                                                                               100˚C                    100˚C
M-Package                                                                               100˚C                    100˚C
Power Dissipation at T_A = 25˚C (Notes
1, 8)
H-Package (Still Air)                       560 mW                          400 mW                400 mW
H-Package (400 LF/Min Air Flow) 1200 mW                        1000 mW              1000 mW
N-Package                                                                             670 mW                670 mW
M-Package                                                                             380 mW                380 mW
Thermal Resistance (Typical) JA
H-Package (Still Air)                       160˚C/W                          160˚C/W               160˚C/W
H-Package (400 LF/Min Air Flow)     65˚C/W                            65˚C/W                  65˚C/W
N-Package                                                                             130˚C/W                130˚C/W
M-Package                                                                             195˚C/W                195˚C/W
(Typical) JC
H-Package                                      23˚C/W                              23˚C/W                  23˚C/W
Storage Temperature Range −65˚C to +150˚C           −65˚C to +150˚C    −65˚C to +150˚C
Soldering Information (Lead Temp.)
Metal Can Package
Soldering (10 sec.)                            300˚C                                 300˚C                    300˚C
Dual-In-Line Package
Soldering (10 sec.)                            260˚C                                 260˚C                     260˚C
Small Outline Package
Vapor Phase (60 sec.)                                                                 215˚C                     215˚C
Infrared (15 sec.)                                                                       220˚C                     220˚C
See AN-450 "Surface Mounting Methods and Their Effect on Product Reliability" for other methods of
soldering surface mount devices.
ESD tolerance
(100 pF discharged through 1.5kΩ) 1000V                                1000V                      1000V

LF356 Features

`Replace expensive hybrid and module FET op amps
`Rugged JFETs allow blow-out free handling compared with MOSFET input devices
`Excellent for low noise applications using either high or ow source impedance-very low 1/f corner
`Offset adjust does not degrade drift or common-mode ejection as in most monolithic amplifiers
`New output stage allows use of large capacitive loads 5,000 pF) without stability problems
`nternal compensation and large differential input voltage capability

LF356 Typical Application

·Precision high speed integrators
·Fast D/A and A/D converters
·High impedance buffers
·Wideband, low noise, low drift amplifiers

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