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Электронный компонент: OMA2541SD

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3.4 - 41
3.4
8-Pin, TO-3 And DIP, 10 Amp Monolithic Power
Operational Amplifier
4 11 R1
Supersedes 2 05 R0
HIGH POWER, HIGH CURRENT
OPERATIONAL AMPLIFIER
FEATURES
Available In Isolated Standard TO-3, "Copper Slug" TO-3 And
Power DIP Packages
10 Amp Peak Output Current
Power Supplies to 40V
Programmable Current Limit
FET Input
Available Screened to MIL-STD-883
DESCRIPTION
The OMA541 is a power operational amplifier capable of operation from power
supplies up to 40V and continuous output current up to 5A. Internal current limit
circuitry can be user-programmed with a single external resistor, protecting the
amplifier and load from fault conditions. The OMA541 pinout is compatible with
popular power operational amplifiers such as the OPA511, OPA512 and OPA3573.
This device is ideally suited for Military motor driver, servo amplifier, synchro
exertation as well as other power drive circuitry. The OMA541SKC incorporates a
copper slug to the header for improved thermal performance.
ABSOLUTE MAXIMUM RATINGS
@ 25C
Supply Voltage, +V
S
To -V
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80V
Output Current, Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5A
Power Dissipation, Internal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125W
Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55C to 125C
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55C to 150C
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150C
Lead Temperature (10 Sec. Soldering) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300C
OMA541SKC
OMA541SDZ
OMA541SK
OMA541SD
SCHEMATIC
PIN CONNECTION
-In
R
CL
-V
S
+In
+V
S
Current
Sense
Output
Drive
(ext.)
Output
Current
Sense
NC
+V
S
-V
S
-In
+In
NC
Output
Drive
R
CL
Output
1
2
3
4
5
6
7
8
+
-
D-8 Top View
TO-3 Top View
Pin 1: -V
S
Pin 2: NC
Pin 3: OUTPUT
Pin 4: CS
Pin 5: +V
S
Pin 6: NC
Pin 7: +IN
Pin 8: -IN
Pin 1 Designation
1
2
3
4
8
7
6
5
3.4 - 42
3.4
OMA541SK OMA541SKC OMA541SD OMA541SDZ
ELECTRICAL CHARACTERISTICS
(T
C
= 25C; V
S
= 34 V
DC
unless otherwise noted.)
Parameter
Conditions
Min.
Typ.
Max.
Units
Input Offset Voltage
V
OS
.01
2
mV
vs Temperature
-25C to +125C
15
30
V/C
vs Temperature
-55C to -25C
20
40
V/C
vs Supply Voltage
V
S
= 10V to V
MAX
2.5
10
V/V
vs Power
20
60
V/W
Input Bias Current
I
B
4
50
pA
Input Offset Current
1
30
pA
I
OS
Specified Temperature Range
5
20
nA
Input Characteristics
Common-Mode Voltage Range
-55C to +85C
(
oe
V
S
oe
- 6)
(
oe
V
S
oe
- 3)
V
+85C to +125C
(
oe
V
S
oe
- 6.5)
(
oe
V
S
oe
- 3.2)
V
Common-Mode Rejection
V
CM
= (
oe
V
S
oe
- 6V)
113
dB
V
CM
= 22V
95
dB
Input Capacitance*
5
pF
Input Capacitance, DC*
1
T
Gain Characteristics
Open Loop Gain at 10Hz
R
L
= 10k
90
97
dB
Gain Bandwidth Product*
1.6
MHz
Output
Voltage Swing
I
O
= 5A, Continuous
(
oe
V
S
oe
- 5.5)
(
oe
V
S
oe
- 4.5)
V
I
O
= 2A
(
oe
V
S
oe
- 4.5)
(
oe
V
S
oe
- 3.6)
V
I
O
= 0.5A
(
oe
V
S
oe
- 4)
(
oe
V
S
oe
- 3.2)
V
Current Peak
9
10
A
AC Performance
Slew Rate
6
10
V/S
Power Bandwidth*
R
L
= 8 , V
O
= 20V
rms
55
KHz
Setting Time to 0.1%*
2V Step
2
S
Capacitive Load*
Specified Temperature Range, G =1
3.3
A
Specified Temperature Range, G >10
SOA
Phase Margin*
Specified Temperature Range, R
L
= 8
40
Degrees
Power Supply
Power Supply Voltage, V
S
10
35
40
V
Current Quiescent
20
25
mA
Specified Temperature Range
25
35
mA
Thermal Resistance
q
JC
(Junction-to-Case)
AC Output f 60 Hz
OMA541SK
1.25
1.5
C/W
OMA541SKC
1.00
1.2
C/W
OMA541SD
.85
.95
C/W
DC Output
OMA541SK
1.60
1.9
C/W
OMA541SKC
1.20
1.5
C/W
OMA541SD
1.00
1.15
C/W
q
JA
(Junction-to-Ambient)
30
C/W
Note: *Guaranteed - not tested 100%.
3.4 - 43
3.4
OMA541SK OMA541SKC OMA541SD OMA541SDZ
TYPICAL PERFORMANCE CURVES
T
A
= +25C, V
S
= V
DC
unless otherwise noted
110
1
Voltage Gian, (dB)
Frequency, (Hz)
Open-Loop Gain and
Phase VS Frequency
100
90
80
70
60
50
40
30
20
10
0
-10
10
100
1k
10k
100k
1M
10M
100
Input Bias Current, (nA)
10
1
0.1
0.01
0.001
-25
Junction Temperature, (C)
Input Bias Current
VS Temperature
0
25
50
75
100
125
1.3
Normalized I
Q
20
+V
S
+
-V
S
, (V)
Normalized Quiescent Current VS
Total Power Supply Voltage
1.2
1.1
1.0
0.9
0.8
0.7
0.6
30
40
50
60
70
80
90
1k
Voltage Noise Density,
Frequency, (Hz)
Voltage Noise Density
VS Frequency
1
100
10
10
100
1k
10k
100k
T
C
= 25C
T
C
= -25C
T
C
= 125C
1
6
5
4
3
2
1
0
2
3
4
5
6
7
8
9
10
V
S
-
V
OUT
, (V)
Output Voltage Swing
VS Output Current
I
OUT
,
(A)
-V
S
-
V
O
(+V
S
) - V
O
10
THD +
Noise, (%)
Frequency, (Hz)
Total Harmonic Distortion
VS Frequency
10
100
1k
10k
100k
1.0
0.1
0.01
0.001
P
O
= 100mW
P
O
= 5W
P
O
= 50W
Z
L
= 3.3nF
Z
L
= 3.3nF
Phase
Gain
3.4
205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246
OMA541SK OMA541SKC OMA541SD OMA541SDZ
120
CMRR, (dB)
Frequency, (Hz)
Typical Common-Mode Rejection
VS Frequency (Case Dependent)
10
110
100
80
70
60
50
90
100
1k
10k
100k
1M
12
Output Current, (A)
Case Temperature, (C)
Typical Output Current
VS Temperature (Case Dependent)
-50
10
8
6
4
2
0
-25
0
25
50
75
100 125
I
OUT
+
I
OUT
-
10
Safe Operating Area
OMA541SKC
T
C
= 25C
1.0
0.1
1
10
100
T
C
= 85C
T
C
= 125C
10
Safe Operating Area
OMA541SK
T
C
= 25C
1.0
0.1
1
10
100
T
C
= 85C
T
C
= 125C
10
Safe Operating Area
OMA541SD/SDZ
Copper Slug TO-3
Standard TO-3
Power DIP
T
C
= 25C
1.0
0.1
1
10
100
T
C
= 125C
T
C
= 85C
MECHANICAL OUTLINE
H
1
2 3
4
5
6
7
8
F
J
G
Q
R
K
A
B
C
E
D
SEATING
PLANE
INCHES
MILLIMETERS
DIM
MIN
MAX
MIN
MAX
A
1.510
1.550
38.35
39.37
B
.745
.770
18.92
19.56
C
.260
.300
6.60
7.62
D
.038
.042
0.97
1.07
E
.080
.105
2.03
2.67
F
40 BASIC
40 BASIC
G
.500 BASIC
12.7 BASIC
H
1.186 BASIC
30.12 BASIC
J
.593 BASIC
15.06 BASIC
K
.400
.500
10.16
12.70
Q
.151
.161
3.84
4.09
R
.980
1.020
24.89
25.91
Note: Leads in true position
within 0.010" (0.25mm) R at
MMC at seating plane.
Pin numbers shown for
reference only. Numbers may
not be marked on package.
TO-3-8
.100
.300
1.04
.540
.125
.790
.290
.125 DIA.
2 HOLES
.125
.540
.150
.030 DIA.
.040 R.
MIN.
.180 MIN.
.900
.260
MAX.
.100
.540
.540
.300
D-8
D-8Z
COMMON LEAD