LM442/A
DUAL OPERATIONAL AMPLIFIER (JFET)
DUAL JFET INPUT OPERATIONAL
8 DIP
FEATURES
•
•
•
•
•
Low supply current: 400pA MAX
Low input bias Current: 50pA MAX
Low input offset voltage: 1mV MAX
High slew rate: 1V/µs
High gain bandwidth: 1MHz
9 SIP
BLOCK DIAGRAM
ORDERING INFORMATION
Device
LM442N
LM442AN
LM442S
LM442AS
Package
8 DIP
0 ~ +70°C
9 SIP
Operating Temperature
SCHEMATIC DIAGRAM
(One Section Only)
Rev. B
©
1999 Fairchild Semiconductor Corporation
LM442/A
DUAL OPERATIONAL AMPLIFIER (JFET)
ABSOLUTE MAXIMUM RATINGS
Characteristics
Power Supply Voltage LM442
LM442A
Differential Input Voltage
Input Voltage range
Output Short Circuit Duration
Power Dissipation
Operating Temperature Range LM442/A
Storage Temperature Range
Symbol
V
CC
V
I(DIFF)
V
I
P
D
T
OPR
T
STG
Value
±18
±20
30
±15
Continuous
670
0 ~ + 70
-65 ~ + 150
Unit
V
V
V
mW
°C
°C
ELECTRICAL CHARACTERISTICS
(T
A
=25
°C,
unless otherwise specified)
LM442A
Characteristic
Input Offset Voltage
Input Offset Voltage Drift
Input Offset Current
Large Signal Voltage Gain
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
Channel Separation
Equivalent Input Noise
Voltage
Equivalent Input Noise
Current
NOTE 1. LM442/A : 0≤T
A
≤+70 °C
CS
V
NI
I
NI
f = 1Hz-20KHz
(input referenced)
R
S
= 100Ω
f = 1KHz
f = 1KHz
Symbol
V
IO
∆V
IO
/∆T
I
IO
I
BIAS
G
V
V
O(P-P)
V
I(R)
CMRR
PSRR
R
I
I
CC
SR
0.8
0.8
R
S
≤10KΩ
R
S
≤10KΩ
R
L
= 10KΩ
V
O(P.P)
=
±0V
R
S
= 10KΩ
Note 1
Test Conditions
R
S
=10KΩ
Note 1
R
S
= 10KΩ
Note 1
10
Note 1
50
25
±17
±16
80
80
200
200
±18
+18
-17
100
100
10
12
LM442
Max
1.0
10
25
15
50
30
25
15
±12
±11
70
70
10
400
0.6
0.6
12
Min
Typ
0.5
7
5
Min
Typ
1.0
7
5
10
200
200
±13
+15
-12
95
90
Max
5.0
7.5
50
15
100
30
Unit
mV
µV/ °C
pA
pA
V/mV
V
V
dB
dB
Ω
µA
V/µS
MHz
dB
nV/
√
Hz
pA /
√
Hz
300
1
1
120
35
0.01
400
1
1
120
35
0.01
500
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
ACEx™
CoolFET™
CROSSVOLT™
E
2
CMOS
TM
FACT™
FACT Quiet Series™
FAST
®
FASTr™
GTO™
HiSeC™
DISCLAIMER
ISOPLANAR™
MICROWIRE™
POP™
PowerTrench™
QS™
Quiet Series™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
TinyLogic™
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 FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or
2. A critical component is any component of a life
support device or system whose failure to perform can
systems which, (a) are intended for surgical implant into
be reasonably expected to cause the failure of the life
the body, or (b) support or sustain life, or (c) whose
support device or system, or to affect its safety or
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
effectiveness.
reasonably expected to result in significant injury to the
user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Product Status
Formative or
In Design
Definition
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Preliminary
First Production
No Identification Needed
Full Production
Obsolete
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
PCB Design
京公网安备 11010802033920号
EEWORLD
