LF441C
LF442C
LF444C
SEMICONDUCTOR
TECHNICAL DATA
LOW POWER
JFET INPUT
OPERATIONAL AMPLIFIERS
Order this document by LF441C/D
1
+
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO8)
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
(SO14)
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
Low Power JFET Input
Operational Amplifiers
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 inline and SOIC packages.
Low Supply Current: 200
A/Amplifier
Low Input Bias Current: 5.0 pA
High Gain Bandwidth: 2.0 MHz
High Slew Rate: 6.0 V/
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
T
0
70
C
SO8
Plastic DIP
LF442CD
LF442CN
Dual
TA = 0
to +70
C
SO8
Plastic DIP
LF444CD
LF444CN
Quad
SO14
Plastic DIP
Motorola, Inc. 1996
Rev 0
LF441C LF442C LF444C
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Supply Voltage (from VCC to VEE)
VS
+36
V
Input Differential Voltage Range (Note 1)
VIDR
30
V
Input Voltage Range (Notes 1 and 2)
VIR
15
V
Output Short Circuit Duration (Note 3)
tSC
Indefinite
sec
Operating Junction Temperature (Note 3)
TJ
+150
C
Storage Temperature Range
Tstg
60 to +150
C
NOTES: 1. Differential voltages are at the noninverting input terminal with respect to the inverting
input terminal.
2. The magnitude of the input voltage must never exceed the magnitude of the supply
or 15 V, whichever is less.
3. Power dissipation must be considered to ensure maximum junction temperature (TJ)
is not exceeded (see Figure 1).
DC ELECTRICAL CHARACTERISTICS
(VCC = +15 V, VEE = 15 V, TA = 0
to 70
C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Input Offset Voltage (RS = 10 k
, VO = 0 V)
VIO
mV
Single: TA = +25
C
3.0
5.0
TA = 0
to +70
C
7.5
Dual:
TA = +25
C
3.0
5.0
TA = 0
to +70
C
7.5
Quad:
TA = +25
C
3.0
10
TA = 0
to +70
C
12
Average Temperature Coefficient of Offset Voltage
VIO/
T
10
V/
C
(RS = 10 k
, VO = 0 V)
Input Offset Current (VCM = 0 V, VO = 0 V)
IIO
TA = +25
C
0.5
50
pA
TA = 0
to +70
C
1.5
nA
Input Bias Current (VCM = 0 V, VO = 0 V)
IIB
TA = +25
C
3.0
100
pA
TA = 0
to +70
C
3.0
nA
Common Mode Input Voltage Range (TA = +25
C)
VICR
11
+14.5
12
+11
V
Large Signal Voltage Gain (VO =
10 V, RL = 10 k
)
AVOL
V/mV
TA = +25
C
25
60
TA = 0
to +70
C
15
Output Voltage Swing (RL = 10 k
)
VO +
VO
+12
+14
14
12
V
Common Mode Rejection (RS
10 k
,
VCM = VICR, VO = 0 V)
CMR
70
86
dB
Power Supply Rejection (RS = 100
,
VCM = 0 V, VO = 0 V)
PSR
70
84
dB
Power Supply Current (No Load, VO = 0 V)
ID
A
Single
200
250
Dual
400
500
Quad
800
1000
LF441C LF442C LF444C
3
MOTOROLA ANALOG IC DEVICE DATA
AC ELECTRICAL CHARACTERISTICS
(VCC = +15 V, VEE = 15 V, TA = +25
C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Slew Rate (Vin = 10 V to +10 V, RL = 10 k
, CL = 10 pF, AV = +1.0)
SR
0.6
6.0
V/
s
Settling Time
To within 10 mV
ts
1.6
s
(AV = 1.0, RL = 10 k
, VO = 0 V to +10 V)
To within 1.0 mV
2.2
Gain Bandwidth Product (f = 200 kHz)
GBW
0.6
2.0
MHz
Equivalent Input Noise Voltage (RS = 100
, f = 1.0 kHz)
en
47
nV/ Hz
Equivalent Input Noise Current (f = 1.0 kHz)
in
0.01
pA/ Hz
Input Resistance
Ri
1012
Channel Separation (f = 1.0 Hz to 20 kHz)
CS
120
dB
I D,
SUPPL
Y
CURRENT
PER
AMPLIFIER (
A)
P
D,
MAXIMUM POWER DISSIP
A
TION (mW)
I IB,
INPUT
BIAS CURRENT
(nA)
I IB
, INPUT
BIAS CURRENT
(pA)
TA, AMBIENT TEMPERATURE (
C)
VICR, INPUT COMMON MODE VOLTAGE (V)
VCC,
VEE
, SUPPLY VOLTAGE (V)
2400
2000
1600
1200
800
400
0
55 40 20
0
20
40
60
80
100
120 140
160
TA, AMBIENT TEMPERATURE (
C)
Figure 1. Maximum Power Dissipation versus
Temperature for Package Variations
Figure 2. Input Bias Current versus
Input Common Mode Voltage
Figure 3. Input Bias Current versus Temperature
Figure 4. Supply Current versus Supply Voltage
8 & 14 Pin Plastic
Package
SO14
SO8
VCC = +15 V
VEE = 15 V
TA = 25
C
20
15
10
5.0
0
1000
100
10
1.0
0.1
0.01
0.001
300
260
220
180
140
100
10
5.0
0
5.0
10
55
25
0
25
50
75
100
125
0
5.0
10
15
20
25
VCC = +15 V
VEE = 15 V
VCM = 0 V
125
C
25
C
55
C
LF441C LF442C LF444C
4
MOTOROLA ANALOG IC DEVICE DATA
VCC = +15 V
VEE = 15 V
25
C
55
C
125
C
+V
ICR,
POSITIVE INPUT
COMMON MODE
VOL
T
AGE RANGE (V)
V
ICR,
NEGA
TIVE INPUT
COMMON MODE
VOL
T
AGE RANGE (V)
VCC, POSITIVE SUPPLY VOLTAGE (V)
VEE, NEGATIVE SUPPLY VOLTAGE (V)
20
15
10
5.0
0
20
15
10
5.0
0
20
15
10
5.0
0
0
5.0
10
15
20
Figure 5. Positive Input Common Mode Voltage
Range versus Positive Supply Voltage
Figure 6. Negative Input Common Mode Voltage
Range versus Negative Supply Voltage
Figure 7. Output Voltage versus Output
Source Current
Figure 8. Output Voltage versus
Output Sink Current
Figure 9. Output Voltage Swing
versus Supply Voltage
Figure 10. Output Voltage Swing
versus Load Resistance
IO, OUTPUT SOURCE CURRENT (mA)
IO, OUTPUT SINK CURRENT (mA)
VCC,
VEE
, SUPPLY VOLTAGE (V)
RL, LOAD RESISTANCE (
)
20
15
10
5.0
0
0
20
15
10
5.0
0
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
2.0
4.0
6.0
8.0
10
12
14
16
18
20
40
35
30
25
20
15
10
5.0
0
0
2.0
4.0
6.0
8.0
10
12
14
16
1.0 k
2.0 k
3.0 k
4.0 k
6.0 k
8.0 k 10 k
28
26
24
22
20
18
16
V
O
,
OUTPUT
VOL
T
AGE
(V)
V
O
,
OUTPUT
VOL
T
AGE
(V)
55
C
TA
125
C
55
C
TA
125
C
RL = 10 k
55
C
TA
125
C
VCC = +15 V
VEE = 15 V
TA = 25
C
V
O
, OUTPUT
VOL
T
AGE SWING (V
pp
)
V
O
, OUTPUT
VOL
T
AGE SWING (V
pp
)
VCC = +15 V
VEE = 15 V
125
C
25
C
55
C
LF441C LF442C LF444C
5
MOTOROLA ANALOG IC DEVICE DATA
Figure 11. Normalized Gain Bandwidth
Product versus Temperature
Figure 12. Open Loop Voltage Gain and
Phase versus Frequency
GBW
, NORMALIZED GAIN BANDWIDTH PRODUCT
A
VOL
, OPEN LOOP
VOL
T
AGE GAIN (dB)
TA, AMBIENT TEMPERATURE (
C)
f, FREQUENCY (MHz)
VCC = +15 V
VEE = 15 V
RL = 10 k
CL = 100 pF
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
20
10
0
10
20
0.1
1.0
10
90
135
180
225
270
75
50
25
0
25
50
75
100
125
EXCESS PHASE (DEGREES)
,
Phase
Gain
Figure 13. Slew Rate versus Temperature
Figure 14. Total Output Distortion
versus Frequency
Figure 15. Output Voltage Swing
versus Frequency
Figure 16. Open Loop Voltage
Gain versus Frequency
TA, AMBIENT TEMPERATURE (
C)
f, FREQUENCY (Hz)
f, FREQUENCY (Hz)
f, FREQUENCY (Hz)
SR,
SLEW
RA
TE (V/
s)
THD, OUTPUT
DIST
OR
TION (%)
A
VOL
, OPEN LOOP
VOL
T
AGE GAIN (dB)
8.0
7.0
6.0
5.0
4.0
75
50
25
0
25
50
75
100
125
30
20
10
0
1.0 k
10 k
100 k
1.0 M
100
80
60
40
20
0
0.1
1.0
10
100
1.0 k
10 k
100 k
1.0 M
10 M
2.5
2.0
1.5
1.0
0.5
0
10
100
1.0 k
10 k
100 k
VCC = +15 V
VEE = 15 V
RL = 10 k
AV = +1.0
VCC = +15 V
VEE = 15 V
TA = 25
C
AV = 10
AV = 100
VCC = +15 V
VEE = 15 V
RL = 10 k
TA = 25
C
VCC = +15 V
VEE = 15 V
RL = 10 k
AV = +1.0
1% THD
TA = 25
C
VCC = +15 V
VEE = 15 V
RL = 10 k
CL = 100 pF
TA = 25
C
V
O
, OUTPUT
VOL
T
AGE SWING (V
pp
)
LF441C LF442C LF444C
6
MOTOROLA ANALOG IC DEVICE DATA
PSR
Figure 17. Common Mode Rejection
versus Frequency
Figure 18. Power Supply Rejection
versus Frequency
f, FREQUENCY (Hz)
f, FREQUENCY (Hz)
CMR, COMMON MODE REJECTION (dB)
PSR, POWER SUPPL
Y
REJECTION (dB)
140
120
100
80
60
40
20
0
100
1.0 k
10 k
100 k
1.0 M
140
120
100
80
60
40
20
0
100
1.0 k
10 k
100 k
1.0 M
+
VCM
VO
CMR = 20 Log
VCM
VO
x ADM
(
)
ADM
VCC
VO
VEE
+PSR
(
VCC =
1.5 V)
(
VEE=
1.5 V)
+
ADM
VCC
+PSR = 20 Log
VO /ADM
VEE
PSR = 20 Log
VO /ADM
)
)
(
(
10 mV
Figure 19. Input Noise Voltage versus Frequency
Figure 20. Open Loop Voltage
Gain versus Supply Voltage
Figure 21. Output Impedance versus Frequency
Figure 22. Inverter Settling Time
f, FREQUENCY (Hz)
f, FREQUENCY (Hz)
VCC,
VEE
, SUPPLY VOLTAGE (V)
ts, SETTLING TIME (
s)
e ,
n
A
VOL
, OPEN LOOP
VOL
T
AGE GAIN (V V)
Z
O
,
OUTPUT
IMPEDANCE (
)
V
O
, OUTPUT
VOL
T
AGE STEP
FROM 0 V (V)
70
60
50
40
30
20
10
0
10
100
1.0 k
10 k
100 k
1.0 M
100 k
10 k
0
5.0
10
15
20
25
350
300
250
200
150
100
50
0
100
1.0k
10k
100k
1.0M
10
5.0
0
5.0
10
0.1
1.0
10
RL = 10 k
125
C
55
C
10 mV
1.0 mV
INPUT
NOISE VOL
T
AGE (
nV/
Hz
)
1.0 mV
VCC = +15 V
VEE = 15 V
VCM = 0 V
VCM =
1.5 V
TA = 25
C
VCC = +15 V
VEE = 15 V
TA = 25
C
VCC = +15 V
VEE = 15 V
VCM = 0 V
TA = 25
C
25
C
VCC = +15 V
VEE = 15 V
TA = 25
C
VCC = +15 V
VEE = 15 V
TA = 25
C
AV = 100
AV = 10
AV = 1.0
LF441C LF442C LF444C
7
MOTOROLA ANALOG IC DEVICE DATA
0
Figure 23. Inverting
Figure 24. Noninverting
Figure 25. Inverting
Figure 26. Noninverting
V
O
,
OUTPUT
VOL
T
AGE (50 mV/DIV)
V
O
,
OUTPUT
VOL
T
AGE (50 mV/DIV)
V
O
,
OUTPUT
VOL
T
AGE (5.0 V/DIV)
V
O
,
OUTPUT
VOL
T
AGE (5.0 V/DIV)
t, TIME (0.5
s/DIV)
t, TIME (2.0
s/DIV)
SMALL SIGNAL RESPONSE
LARGE SIGNAL RESPONSE
0
t, TIME (0.5
s/DIV)
0
t, TIME (2.0
s/DIV)
0
VCC = +15 V
VEE = 15 V
RL = 10 k
CL = 10 pF
AV = 1.0
TA = 25
C
VCC = +15 V
VEE = 15 V
RL = 10 k
CL = 10 pF
AV = +1.0
TA = 25
C
VCC = +15 V
VEE = 15 V
RL = 10 k
CL = 10 pF
AV = 1.0
TA = 25
C
VCC = +15 V
VEE = 15 V
RL = 10 k
CL = 10 pF
AV = +1.0
TA = 25
C
LF441C LF442C LF444C
8
MOTOROLA ANALOG IC DEVICE DATA
OUTLINE DIMENSIONS
NOTES:
1. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
2. PACKAGE CONTOUR OPTIONAL (ROUND OR
SQUARE CORNERS).
3. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
1
4
5
8
F
NOTE 2
A
B
T
SEATING
PLANE
H
J
G
D
K
N
C
L
M
M
A
M
0.13 (0.005)
B
M
T
DIM
MIN
MAX
MIN
MAX
INCHES
MILLIMETERS
A
9.40
10.16
0.370
0.400
B
6.10
6.60
0.240
0.260
C
3.94
4.45
0.155
0.175
D
0.38
0.51
0.015
0.020
F
1.02
1.78
0.040
0.070
G
2.54 BSC
0.100 BSC
H
0.76
1.27
0.030
0.050
J
0.20
0.30
0.008
0.012
K
2.92
3.43
0.115
0.135
L
7.62 BSC
0.300 BSC
M
10
10
N
0.76
1.01
0.030
0.040
_
_
D SUFFIX
PLASTIC PACKAGE
CASE 75105
(SO8)
ISSUE R
N SUFFIX
PLASTIC PACKAGE
CASE 62605
ISSUE K
SEATING
PLANE
1
4
5
8
A
0.25
M
C B
S
S
0.25
M
B
M
h
q
C
X 45
_
L
DIM
MIN
MAX
MILLIMETERS
A
1.35
1.75
A1
0.10
0.25
B
0.35
0.49
C
0.18
0.25
D
4.80
5.00
E
1.27 BSC
e
3.80
4.00
H
5.80
6.20
h
0
7
L
0.40
1.25
q
0.25
0.50
_
_
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. DIMENSIONS ARE IN MILLIMETERS.
3. DIMENSION D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE B DIMENSION AT MAXIMUM MATERIAL
CONDITION.
D
E
H
A
B
e
B
A1
C
A
0.10
LF441C LF442C LF444C
9
MOTOROLA ANALOG IC DEVICE DATA
OUTLINE DIMENSIONS
NOTES:
1. LEADS WITHIN 0.13 (0.005) RADIUS OF TRUE
POSITION AT SEATING PLANE AT MAXIMUM
MATERIAL CONDITION.
2. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
3. DIMENSION B DOES NOT INCLUDE MOLD
FLASH.
4. ROUNDED CORNERS OPTIONAL.
1
7
14
8
B
A
F
H
G
D
K
C
N
L
J
M
SEATING
PLANE
DIM
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
A
0.715
0.770
18.16
19.56
B
0.240
0.260
6.10
6.60
C
0.145
0.185
3.69
4.69
D
0.015
0.021
0.38
0.53
F
0.040
0.070
1.02
1.78
G
0.100 BSC
2.54 BSC
H
0.052
0.095
1.32
2.41
J
0.008
0.015
0.20
0.38
K
0.115
0.135
2.92
3.43
L
0.300 BSC
7.62 BSC
M
0
10 0 10
N
0.015
0.039
0.39
1.01
_
_
_
_
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
A
B
G
P
7 PL
14
8
7
1
M
0.25 (0.010)
B
M
S
B
M
0.25 (0.010)
A
S
T
T
F
R
X 45
SEATING
PLANE
D
14 PL
K
C
J
M
_
DIM
MIN
MAX
MIN
MAX
INCHES
MILLIMETERS
A
8.55
8.75
0.337
0.344
B
3.80
4.00
0.150
0.157
C
1.35
1.75
0.054
0.068
D
0.35
0.49
0.014
0.019
F
0.40
1.25
0.016
0.049
G
1.27 BSC
0.050 BSC
J
0.19
0.25
0.008
0.009
K
0.10
0.25
0.004
0.009
M
0
7
0
7
P
5.80
6.20
0.228
0.244
R
0.25
0.50
0.010
0.019
_
_
_
_
D SUFFIX
PLASTIC PACKAGE
CASE 751A03
(SO14)
ISSUE F
N SUFFIX
PLASTIC PACKAGE
CASE 64606
ISSUE L
LF441C LF442C LF444C
10
MOTOROLA ANALOG IC DEVICE DATA
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals"
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applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
How to reach us:
USA / EUROPE / Locations Not Listed: Motorola Literature Distribution;
JAPAN: Nippon Motorola Ltd.; TatsumiSPDJLDC, 6F SeibuButsuryuCenter,
P.O. Box 20912; Phoenix, Arizona 85036. 18004412447 or 6023035454
3142 Tatsumi KotoKu, Tokyo 135, Japan. 038135218315
MFAX: RMFAX0@email.sps.mot.com TOUCHTONE 6022446609
ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park,
INTERNET: http://DesignNET.com
51 Ting Kok Road, Tai Po, N.T., Hong Kong. 85226629298
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