LM148
LM248
LM348
FOUR UA741
QUAD BIPOLAR OPERATIONAL AMPLIFIERS
s
LOW SUPPLY CURRENT: 0.53mA/AMPLI-
FIER
s
CLASS AB OUTPUT STAGE: NO CROSS
OVER DISTORTION
s
s
s
s
s
s
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
AND OUTPUTS
N
DIP14
(Plastic Package)
s
OVERLOAD PROTECTION FOR INPUTS
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
Part
Number
Temperature
Range
Package
N
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鈥?/div>
鈥?/div>
D
鈥?/div>
鈥?/div>
鈥?/div>
D
SO14
(Plastic Micropackage)
PIN CONNECTIONS
(top view)
Output 1 1
Inverting Input 1 2
Non-inverting Input 1 3
V
CC
+ 4
Non-inverting Input 2
Inverting Input 2
5
6
+
-
+
-
-
+
-
+
14 Output 4
13 Inverting Input 4
12 Non-inverting Input 4
11 V
CC
-
10 Non-inverting Input 3
9
8
Inverting Input 3
Output 3
Output 2 7
LM148
-55擄C, +125擄C
LM248
-40擄C, +105擄C
LM348
0擄C, +70擄C
Example :
LM348D
N =
Dual in Line Package (DIP)
D =
Small Outline Package (SO) - also available in Tape & Reel (DT)
March 2002
1/5
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