LF347N

LF347N Datasheet

LF347

Part	Datasheet
LF347N	LF347N (pdf)

Related Parts	Information
LF347MX	LF347MX
LF347M	LF347M

PDF Datasheet Preview
LF347 Quad Operational Amplifier JFET • Low input bias current • High input impedance • Wide gain bandwidth 4 MHz Typ. • High slew rate 13 V/µs Typ. The LF347 is a high speed quad JFET input operational amplifier. This feature high input impedance, wide bandwidth, high slew rate, and low input offset voltage and bias current. LF347 may be used in circuits requiring high input impedance. High slew rate and wide bandwidth, low input bias current. 14-DIP Internal Block Diagram 14-SOP 2001 Fairchild Semiconductor Corporation LF347 Schematic Diagram One Section Only Absolute Maximum Ratings Parameter Supply Voltage Differential Input Voltage Input Voltage Range Output Short Circuit Duration Power Dissipation Operating Temperature Range Storage Temperature Range Symbol VCC VI DIFF VI PD TOPR TSTG Value Unit ±18 ±15 Continuous 0 ~ + 70 -65 ~ + 150 LF347 Electrical Characteristics VCC= +15V, VEE= -15V, TA=25 °C, unless otherwise specified Parameter Input Offset Voltage Input Offset Voltage Drift Note2 Input Offset Current Input Bias Current Large Signal Voltage Gain Output Voltage Swing Input Voltage Range Common-Mode Rejection Ratio Power Supply Rejection Ratio Input Resistance Supply Current Slew Rate Gain Bandwidth Product Note2 Channel Seperation Equivalent Input Noise Voltage Equivalent Input Noise Current Conditions RS = VIO RS = Note 1 IIO Note 1 IBIAS GV VO PP VI R CMRR PSRR Ordering Information Product Number LF347N LF347M Package 14-DIP 14-SOP Operating Temperature 0 ~ + 70°C DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. 6/1/01 0.0m 001 2001 Fairchild Semiconductor Corporation

PDF Datasheet Preview

LF347

Quad Operational Amplifier JFET
• Low input bias current
• High input impedance
• Wide gain bandwidth 4 MHz Typ.
• High slew rate 13 V/µs Typ.

The LF347 is a high speed quad JFET input operational amplifier. This feature high input impedance, wide bandwidth, high slew rate, and low input offset voltage and bias current. LF347 may be used in circuits requiring high input impedance. High slew rate and wide bandwidth, low input bias current.
14-DIP

Internal Block Diagram
14-SOP
2001 Fairchild Semiconductor Corporation

LF347

Schematic Diagram

One Section Only

Absolute Maximum Ratings

Parameter Supply Voltage Differential Input Voltage Input Voltage Range Output Short Circuit Duration Power Dissipation Operating Temperature Range Storage Temperature Range

Symbol VCC

VI DIFF VI PD

TOPR TSTG

Value

Unit
±18
±15

Continuous
0 ~ + 70
-65 ~ + 150

LF347

Electrical Characteristics

VCC= +15V, VEE= -15V, TA=25 °C, unless otherwise specified

Parameter

Input Offset Voltage

Input Offset Voltage Drift Note2

Input Offset Current

Input Bias Current

Large Signal Voltage Gain

Output Voltage Swing Input Voltage Range Common-Mode Rejection Ratio Power Supply Rejection Ratio Input Resistance Supply Current Slew Rate Gain Bandwidth Product Note2 Channel Seperation

Equivalent Input Noise Voltage Equivalent Input Noise Current

Conditions

RS = VIO RS =

Note 1

IIO Note 1

IBIAS

GV VO PP

VI R CMRR PSRR
Ordering Information

Product Number LF347N LF347M

Package 14-DIP 14-SOP

Operating Temperature 0 ~ + 70°C

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.

A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
6/1/01 0.0m 001 2001 Fairchild Semiconductor Corporation

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived LF347N Datasheet file may be downloaded here without warranties.

Datasheet ID: LF347N 634288