Page 1
LF351
Single Operational Amplifier (JFET)
www.fairchildsemi.com
Features
• Internally trimmed offset voltage: 10mV
• Low input bias current : 50pA
• Wide gain bandwidth : 4MHz
• High slew rate : 13V/µs
• High input impedance : 10
12
Ω
Internal Block Diagram
Description
The LF351 is 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
©2001 Fairchild Semiconductor Corporation
Rev. 1.0.1
Page 2
LF351
Schematic Diagram
Absolute Maximum Ratings
Parameter Symbol Value Unit
Supply Voltage V
Differential Input Voltage V
Input Voltage Range V
CC
I(DIFF)
I
Output Short Circuit Duration - Continuous Power Dissipation P
Operating Temperature T
Storage Temperature Range T
D
OPR
STG
±18 V
30 V
±15 V
500 mW
0 ~ +70 °C
-65 ~ +150 °C
2
Page 3
Electrical Characteristics
(V
= +15V, VEE = - 15V, TA = 25
CC
Parameter Symbol Conditions Min. Typ. Max. Unit
Input Offset Voltage V
Input Offset Voltage Drift (Note1) ∆V
Input Offset Current I
Input Bias Current I
Input Resistance (Note1) R
Large Signal Voltage Gain G
Output Voltage Swing V
Input Voltage Range V
Common Mode Rejection Ratio C
Power Supply Rejection Ratio P
Power Supply Current I
Slew Rate (Note1) S
Gain-Bandwidth Product (Note1) GBW - - 4 - MHz
°C. unless otherwise specified)
RS = 10kΩ -5.010
IO
/∆TRS = 10kΩ 0
IO
IO
BAIS
I
V
O(P-P)
I(R)
MRR
SRR
CC
R
V
R
RL = 10kΩ±12 ±13.5 - V
R
R
GV = 1 - 13 - V/µs
= ±10V 25 100 -
O(P-P)
=2kΩ 0
L
≤10kΩ 70 100 - dB
S
≤10kΩ 70 100 - dB
S
°C≤TA≤70 °C- - 13
0
°C≤TA≤70 °C- 10 - µV/ °C
- 25 100 pA
°C≤TA≤70 °C--4nA
0
- 50 200 pA
0
°C≤TA≤70 °C--8nA
+15
-12
12
- Ω
V/mV
-V
--10
°C≤TA≤70 °C15 - -
- ±11
--2.33.4mA
LF351
mV
Note :
1. Guaranteed by design.
3
Page 4
LF351
Mechanical Dimensions
Package
6.40
±0.20
±0.008
0.252
8-DIP
Dimensions in millimeters
0.79
0.031
()
±0.10
±0.004
±0.10
±0.004
#1
#8
#4 #5
7.62
0.300
MAX
9.60
0.378
5.08
0.200
3.40
0.134
±0.20
9.20
MAX
±0.20
±0.008
±0.008
0.362
0.33
0.013
MIN
0.46
3.30
0.130
2.54
±0.30
±0.012
0.018
0.100
1.524
0.060
+0.10
0.25
–0.05
+0.004
0.010
–0.002
0~15°
4
Page 5
LF351
Mechanical Dimensions
Package
Dimensions in millimeters
#1
#4
(Continued)
8-SOP
1.55
0.061
#8
#5
±0.20
±0.008
MAX
5.13
0.202
±0.20
4.92
±0.008
0.194
MIN
0.004~0.001
0.1~0.25
0.56
0.022
()
±0.10
±0.004
0.006
-0.002
0.50
0.020
+
0.004
±0.20
±0.008
0.15
-0.05
+
0.10
6.00
0.236
3.95
0.156
5.72
0.225
±0.30
±0.012
±0.20
±0.008
0.071
0~8°
1.80
MAX
MAX0.10
MAX0.004
1.27
0.050
0.41
0.016
5
Page 6
LF351
Ordering Information
Product Number Package Operating Temperature
LF351N 8-DIP
LF351M 8-SOP
0 ~ + 70°C
6
Page 7
LF351
7
Page 8
LF351
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURT HER NOTICE TO ANY
PRODUCTS HEREI N TO IMPROVE RELIABILITY, FUNCTIO N OR DESIGN. FAIRCH IL D 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 IT S PATENT RIGHTS, NOR THE RIGHTS OF OTHE RS.
LIFE SUPPORT POL I CY
FAIRCHILD’S PR ODUCTS ARE NOT AUTH ORIZED FOR USE AS C RITICAL COMPONENT S IN LIFE SUPPORT DE VICES
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
2. A critical component in any component of a life support
device or sy stem whose fai lure to perform can be
reasonably expec ted to cause the failur e of the life support
device or system, or to affect its safety or effec t iv ene ss .
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
2001 Fairchild Semiconductor Corporation
Stock#DSxxxxxxxx
Loading...