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LF353
Dual Operational Amplifier (JFET)
Features
* * * * * Internally trimmed offset voltage: 10mV Low input bias current: 50pA Wide gain bandwidth: 4MHz High slew rate: 13V/s High Input impedance: 1012
Description
The LF353 is a JFET input operational amplifier with an internally compensated input offset voltage. The JFET input device provides wide bandwidth, low input bias currents and offset currents.
8-DIP
1
8-SOP
1
Internal Block Diagram
Rev. 1.0.0
(c)2001 Fairchild Semiconductor Corporation
LF353
Schematic Diagram
(One Section Only)
Absolute Maximum Ratings
Parameter Power 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 18 30 15 Continuous 500 0 ~ +70 -65 ~ +150 Unit V V V mW C C
2
LF353
Electrical Characteristics
(VCC =+15V, VEE= -15V, TA=25 C, unless otherwise specified) Parameter Input Offset Voltage Input Offset Voltage Drift Input Offset Current Input Bias Current Input Resistance Large Signal Voltage Gain Output Voltage Swing Input Voltage Range Common Mode Rejection Ratio Power Supply Rejection Ratio Power Supply Current Slew Rate Gain-Bandwidth Product Channel Seperation Equivalent Input Noise Voltage Equivalent Input Noise Current Symbol VIO VIO/T IIO IBIAS RI GV RL = 2K Conditions RS=10K 0 CTA+70 C RS=10K 0 CTA+70 C 0 CTA+70 C 0 CTA+70 C VO(P-P) = 10V 0 CTA+70 C RS 10K RS 10K GV = 1 f = 1Hz ~ 20KHz (Input referenced) RS = 100 f = 1KHz f = 1KHz Min. 25 15 12 11 70 70 Typ. 5.0 10 25 50 1012 100 13.5 15/-12 100 100 3.6 13 4 120 16 0.01 Max. 10 100 4 200 8 6.5 Unit mV V/ C pA nA pA nA V/mV V V dB dB mA V/S MHz dB nV/
Hz
VO(P_P) RL = 10K VI(R) CMRR PSRR ICC SR GBW CS VNI INI
pA/
Hz
3
LF353
Mechanical Dimensions
Package
8-DIP
6.40 0.20 0.252 0.008 0.79 ) 0.031
1.524 0.10
#1
#8 9.20 0.20 0.362 0.008 9.60 MAX 0.378
#4
#5 2.54 0.100
5.08 MAX 0.200 7.62 0.300 3.40 0.20 0.134 0.008
3.30 0.30 0.130 0.012 0.33 MIN 0.013
0.25 -0.05
0~15
+0.10
0.010 -0.002
+0.004
4
0.018 0.004
0.060 0.004
0.46 0.10
(
LF353
Mechanical Dimensions
Package
8-SOP
MIN 1.55 0.20 0.061 0.008 0.1~0.25 0.004~0.001
#1
#8
4.92 0.20 0.194 0.008 5.13 MAX 0.202
(
0.56 ) 0.022
#4
#5
6.00 0.30 0.236 0.012
+0.10 0.15 -0.05 +0.004 0.006 -0.002
1.80 MAX 0.071
MAX0.10 MAX0.004
3.95 0.20 0.156 0.008
5.72 0.225 0.50 0.20 0.020 0.008
0~
8
1.27 0.050
0.41 0.10 0.016 0.004
5
LF353
Ordering Information
Product Number LF353N LF353M Package 8-DIP 8-SOP Operating Temperature 0 ~ + 70C
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: 1. 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.
www.fairchildsemi.com 6/1/01 0.0m 001 Stock#DSxxxxxxxx 2001 Fairchild Semiconductor Corporation
2. 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.

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