參數(shù)資料
型號(hào): LF442CN
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 運(yùn)動(dòng)控制電子
英文描述: Dual Low Power JFET Input Operational Amplifier
中文描述: DUAL OP-AMP, 7500 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDIP8
封裝: DIP-8
文件頁(yè)數(shù): 1/10頁(yè)
文件大?。?/td> 209K
代理商: LF442CN
SEMICONDUCTOR
TECHNICAL DATA
LOW POWER
JFET INPUT
OPERATIONAL AMPLIFIERS
Order this document by LF441C/D
1
+
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
N SUFFIX
PLASTIC PACKAGE
CASE 626
Offset Null
Inputs
VEE
(Single, Top View)
NC
VCC
Output
Offset Null
Output 1
Inputs 1
VEE
(Dual, Top View)
Inputs 2
Output 2
VCC
1
2
3
4
8
7
6
5
+
+
2
1
2
3
4
8
7
6
5
8
1
8
1
PIN CONNECTIONS
D SUFFIX
PLASTIC PACKAGE
CASE 751A
(SO–14)
N SUFFIX
PLASTIC PACKAGE
CASE 646
Output 1
Inputs 1
VCC
Inputs 2
Output 2
Output 4
Inputs 4
VEE
Inputs 3
Output 3
(Quad, Top View)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
4
2
3
+
+
+
+
1
14
1
14
1
PIN CONNECTIONS
1
MOTOROLA ANALOG IC DEVICE DATA
These JFET input operational amplifiers are designed for low power
applications. They feature high input impedance, low input bias current and
low input offset current. Advanced design techniques allow for higher slew
rates, gain bandwidth products and output swing. The LF441C device
provides for the external null adjustment of input offset voltage.
These devices are specified over the commercial temperature range. All
are available in plastic dual in–line and SOIC packages.
Low Supply Current: 200
μ
A/Amplifier
Low Input Bias Current: 5.0 pA
High Gain Bandwidth: 2.0 MHz
High Slew Rate: 6.0 V/
μ
s
High Input Impedance: 1012
Large Output Voltage Swing:
±
14 V
Output Short Circuit Protection
Representative Schematic Diagram
(Each Amplifier)
1
5
VEE
LF441C input offset voltage
null adjust circuit
100 k
1.5 k
1
5
*
*
Inputs
J1
J2
R1
R2
R3
R4
Q1
Q2
Q3
Q4
Q5
R5
C1
C2
Q6
D1
Q7
D2
VEE
Output
VCC
*Null adjustment pins for LF441 only.
+
+
ORDERING INFORMATION
Device
Function
Operating
Temperature Range
Package
LF441CD
LF441CN
Single
TA = 0
to +70
°
°
C
SO–8
Plastic DIP
LF442CD
LF442CN
Dual
SO–8
Plastic DIP
LF444CD
LF444CN
Quad
SO–14
Plastic DIP
Motorola, Inc. 1996
Rev 0
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參數(shù)描述
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