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
鈥?/div>
鈥?/div>
鈥?/div>
D
鈥?/div>
鈥?/div>
鈥?/div>
D
SO14
(Plastic Micropackage)
PIN CONNECTIONS
(top view)
Ou tput 1 1
Inve rting Inp ut 1 2
14
Output 4
Inve rting Inp ut 4
-
+
-
+
13
12
11
Non-inve rting Inp ut 1
3
V
CC
+
4
Non-inve rting Inp ut 4
V
CC
-
Non-inve rting Inp ut 3
Inve rting Inp ut 3
Output 3
Non-inve rting Inpu t 2
Inve rting Inp ut 2
Output 2
5
6
7
+
+
10
9
8
-
-
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
LM348DT 產(chǎn)品屬性
LM348 View All Specifications
1
集成電路 (IC)
Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
-
通用
4
-
0.5 V/µs
1.3MHz
-
30nA
1000µV
2.1mA
25mA
-
0°C ~ 70°C
表面貼裝
14-SOIC（0.154"，3.90mm 寬）
14-SO
Digi-Reel®
497-4049-6
LM348DT相關型號PDF文件下載
-
型號
版本
描述
廠商
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FOUR UA741 QUAD BIPOLAR OPERATIONAL AMPLIFIERS
1
2
3
4
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