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STMicroelectronics Electronic Components Datasheet

LM248N Datasheet

FOUR UA741 QUAD BIPOLAR OPERATIONAL AMPLIFIERS

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LM248N pdf
LM148
LM248 - LM348
FOUR UA741
QUAD BIPOLAR OPERATIONAL AMPLIFIERS
. LOW SUPPLY CURRENT : 0.53mA/AMPLIFIER
. CLASS AB OUTPUT STAGE : NO CROSS-
OVER DISTORTION
. PIN COMPATIBLE WITH LM124
. LOW INPUT OFFSET VOLTAGE : 1mV
. LOW INPUT OFFSET CURRENT : 2nA
. LOW INPUT BIAS CURRENT : 30nA
. GAIN BANDWIDTH PRODUCT : 1.3MHz
. HIGH DEGREE OF ISOLATION BETWEEN
AMPLIFIERS : 120dB
. OVERLOAD PROTECTION FOR INPUTS AND
OUTPUTS
N
DIP14
(Plastic Package)
D
SO14
(Plastic Micropackage)
ORDER CODES
Part Num-
ber
Temperature
Range
LM148
LM248
LM348
–55oC, +125oC
–40oC, +105oC
0oC, +70oC
Example : LM348D
Package
ND
••
••
••
PIN CONNECTIONS (top view)
DE SC RI P TI O N
The LM148 consists of four independent,high gain
internally compensated, low power operational
amplifiers which have been designed to provide
functionalcharacteristics identical to those of the fa-
miliar UA741 operational amplifier. In addition the
total supply current for all four amplifiers is compa-
rable to the supply current of a single UA741 type
op amp. Other features include input offset current
and input bias current which are much less than
those of a standard UA741. Also, excellent isolation
between amplifiers has been achieved by inde-
pendently biasing each amplifier and using layout
techniques which minimize thermal coupling.
The LM148 can be used anywhere multiple UA741
type amplifiers are being used and in applications
where amplifier matching or high packing density is
required.
November 1997
Ou tpu t 1 1
In ve rting inpu t 1 2
Non -in verting i npu t 1 3
V+
CC
4
Non-inverting input 2 5
I n v e r ti ng i n p u t 2 6
Out put 2 7
14 Output 4
1 3 Inv er ti ng i npu t 4
1 2 N on -in verting i np ut 4
11
VC
-
C
1 0 N on -in verting i np ut 3
9 I n ve r ti ng in pu t 3
8 Output 3
1/9


STMicroelectronics Electronic Components Datasheet

LM248N Datasheet

FOUR UA741 QUAD BIPOLAR OPERATIONAL AMPLIFIERS

No Preview Available !

LM248N pdf
LM148 - LM248 - LM348
SCHEMATIC DIAGRAM
V CC
Non-inverting inpu t
Inverting
Input
350k
12k
V CC
2.5 k
7.4pF
V CC
25
Output
25
60k
60k
340
36k
V CC
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
LM148
LM248
LM348
Unit
VCC Supply Voltage
± 22
± 22
± 22
V
Vid Differential Input Voltage
Vi Input Voltage (note 1)
±44
± 22
± 44
± 22
± 44
± 22
V
V
Ptot Power Dissipation
500 500 500 mW
Toper
Tstg
Output Short-circuit Duration (note 2)
Operating Free-air Temperature Range
Storage Temperature Range
–55, +125
–65, +150
Infinite
–40, +105
–65, +150
0, +70
–65, +150
oC
oC
No tes :
1. F or suppl y volt age less than maxi mum value, t he absol ut e maxi mum i nput volt age i s equal to t he suppl y
vo l t a g e.
2. Any of the ampl if i er output s can be short ed to ground i ndefi nit ely ; however , mor e than one s houl d not be
simultaneously shorted as the maximum junction temperature will be exceeded.
2/9


Part Number LM248N
Description FOUR UA741 QUAD BIPOLAR OPERATIONAL AMPLIFIERS
Maker STMicroelectronics
Total Page 9 Pages
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