LM248 STMicroelectronics, LM248 Datasheet

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LM248

Manufacturer Part Number
LM248
Description
Quad UA741 bipolar op-amp
Manufacturer
STMicroelectronics
Datasheet

Specifications of LM248

Low Supply Current
0.53mA/AMPLIFIER
Class Ab Output Stage
NO CROSS OVER DISTORTION
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

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DESCRIPTION
The LM148 consists of four independent, high
gain internally compensated, low power opera-
tional amplifiers which have been designed to pro-
vide functional characteristics identical to those of
the familiar UA741 operational amplifier. In addi-
tion the total supply current for all four amplifiers is
compatible 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
independently biasing each amplifier and using
layout techniques qhich minimize thermal cou-
pling.
The LM148 can be used anywhere multiple
UA741 type amplifiers are being used and in appli-
cations where amplifier matching or high packaing
density is required.
ORDER CODE
N = Dual in Line Package (DIP)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
LM148
LM248
LM348
Example : LM348D
March 2002
Number
LOW SUPPLY CURRENT: 0.53mA/AMPLI-
FIER
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
Part
-55°C, +125°C
-40°C, +105°C
Temperature
0°C, +70°C
Range
QUAD BIPOLAR OPERATIONAL AMPLIFIERS
N
Package
D
PIN CONNECTIONS (top view)
(Plastic Micropackage)
(Plastic Package)
DIP14
SO14
N
D
FOUR UA741
LM148
LM248
LM348
1/5

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LM248 Summary of contents

Page 1

... LM248 -40°C, +105°C LM348 0°C, +70°C Example : LM348D N = Dual in Line Package (DIP Small Outline Package (SO) - also available in Tape & Reel (DT) March 2002 PIN CONNECTIONS (top view) Package N D LM148 LM248 LM348 FOUR UA741 N DIP14 (Plastic Package) D SO14 (Plastic Micropackage) 1/5 ...

Page 2

... For supply voltage less than maximum value, the absolute maximum input voltage is equal to the supply voltage. 2. Any of the amplifier outputs can be shorted to ground indefinitly; however more than one should not be simultaneously shorted as the maximum junction will be exceeded. 2/5 LM148 2) -55 to +125 -40 to +105 LM248 LM348 Unit ±22 V ±22 V ±44 ...

Page 3

... L R 10k 10k , C = 100pF, unity Gain 10k , C = 100pF, unity Gain 10k , C = 100pF, unity Gain mV 10k , C = 100pF 20dB 10k 100 s LM148-LM248-LM348 Min. Typ. Max. Unit 100 nA 300 50 160 V/ 100 dB 77 2.1 3.6 mA 4.8 ±12 ± ...

Page 4

... LM148-LM248-LM348 PACKAGE MECHANICAL DATA 14 PINS - PLASTIC PACKAGE Dimensions Min. a1 0. 1.27 4/5 Millimeters Typ. Max. 1.65 0.5 0.25 20 8.5 2.54 15.24 7.1 5.1 3.3 2.54 Inches Min. Typ. Max. 0.020 0.055 0.065 0.020 0.010 0.787 0.335 0.100 0.600 0.280 0.201 0.130 0.050 0.100 ...

Page 5

... Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States Millimeters Typ. Max. 1.75 0.2 1.6 0.46 0.25 0.5 45° (typ.) 8.75 6.2 1.27 7.62 4.0 5.3 1.27 0.68 8° (max.) STMicroelectronics GROUP OF COMPANIES © http://www.st.com LM148-LM248-LM348 Inches Min. Typ. Max. 0.069 0.004 0.008 0.063 0.014 0.018 0.007 0.010 0.020 0.336 0.344 0.228 0.244 0.050 0.300 0.150 0.157 ...

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