DUAL BI-FET OP AMP

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