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
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
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