3.4 - 29
3.4
15 Amp Peak Operational Amplifier
4 11 R0
HIGH POWER, VERY HIGH CURRENT OPERATIONAL
AMPLIFIER APPROVED TO DESC DRAWING 5962-90659
FEATURES
• Approved to DESC 5962-90659
• Available In Isolated Standard TO-3, “Copper Slug” TO-3 And
Power DIP Packages
• 15 Amp Peak Output Current
• Power Supplies to ±50V
• Class A/B Output Stage
• Low Distortion
DESCRIPTION
The OMA512 is a high voltage, very high current operational amplifier designed to
drive a wide variety of resistive and reactive loads. The circuit is a hybrid integrated
type housed in a variety of hermetically sealed packages and is isolated from the
case. It is ideally suited for critical environments in applications such as motor
drivers, servo amplifiers, audio amplifiers and synchro exertation.
ABSOLUTE MAXIMUM RATINGS @ 25°C
Supply Voltage ..................................................... ±50V
Output Current: Source ................................................15A
Sink ............................................. See SOA
Power Dissipation, Internal ........................................... 125W
Input Voltage: Differential .........................................±50V - 3V
Common Mode......................................... ±50V
Operating Temperature Range................................ -55°C to 125°C
Storage Temperature Range ................................. -65°C to 150°C
Lead Temperature (10 Sec. Soldering) ................................ 300°C
OMA512SKCBOMA512SKB
OMA512SDB
SCHEMATIC TO-3 PIN CONNECTION
4
2
1
7OUT
(Optional)
RCL+
RCL–
RVI
8
5+
–
-VS
6
+VS
3
BIAS
CIRCUIT
Output
+Current
Limit
+VS
-VS
+RCL
-RCL
+IN
-IN
RVI
-Current
Limit
1
2
3
4
5
67
8
+
-
D-12 Top View TO-3 Top View
N/C -CL Out RV1 +CL N/C
-VSN/C +IN -IN N/C +VS
Pin 1
3.4 - 30
3.4
TEST SYMBOL CONDITIONS 1/ GROUP A LIMITS Units
-55 °C < TC <+125 °C Subgroups MIN MAX
VS = +40 V dc
unless otherwise specified 3/
Supply Current ISVIN = 0 V dc, G = 100, 2/ 1,2 50 mA
+RCL= 1.0 W VCM = 0 V dc 3 100
Input Offset Voltage VOS VIN = 0 V dc, G = 100, 2/ 1 -12.0 +12.0 mV
VS= +10 V dc, + RCL= 1.0 W2 -18.5 +18.5
3 -17.2 +17.2
VIN = 0 V dc, G = 100, 2/ 1 -6.0 +6.0 mV
VS= +40 V dc, + RCL= 1.0 W2 -12.5 +12.5
3 -11.2 +11.2
VIN = 0 V dc, G = 100, 2/ 1 -7.0 +7.0 mV
VS= +45 V dc, + RCL= 1.0 W2 -13..5 +13.5
3 -12.2 +12.2
Input Bias Current, +IN +IBVIN = 0 V dc, 1 30.0 nA
RBIAS <100 MW2 70.0
3 115.0
Input Bias Current, -IN -IBVIN = 0 V dc, 1 30.0 nA
RBIAS <100 MW2 70.0
3 115.0
Input Offset Current IOS VIN = 0 V dc, 1 30.0 nA
RBIAS <100 MW2 70.0
3 115.0
Output Voltage VOVS= +45 V dc, IO= 80 mA, 4,5,6 40 V
RL = 500 W
VS= +14 V dc, IO= 8 A, 5,6 8 V
RL = 1 W
VS= +16 V dc, IO= 10 A, 4 10 V
RL = 1 W
Current Limits ICL RL = 6 W, + RCL= 1.0 W, 2/ 4 0.6 .89 A
VS= +14 V dc
Stability/noise ENG = 1, VS= + 40 V dc, CL = 1.5 nF 4,5,6 1.0 mV
Slew rate SRRL = 500 W, = + 40 V dc, VIN > 4 V p-p 4,5,6 2.5 10.0 V/ms
Open loop gain AOL RL = 500 W, VS= +40 V dc, f = 15 Hz, 4,5,6 96 dB
VIN >.4 V p-p
Common mode rejection CMR VS= +15 V dc, f = dc 4,5,6 74 dB
VCM = +9 V dc
1) During all testing, terminal connection F.O. (pin 7) is left open.
2) A current limiting resistor (RCL) is connected between CL+ to the output and CL - to the output during
these tests.
3) See MIL-H-38524 for definition.
OMA512SKB OMA512SKCB OMA512SDB
ELECTRICAL PERFORMANCE CHARACTERISTICS
3.4 - 31
3.4
OMA512SKB OMA512SKCB OMA512SDB
TYPICAL PERFORMANCE CURVES
TA= +25°C, VS= ±VDC unless otherwise noted
Input Bias Current
VS Temperature
Case Temperature, TC (°C)
Input Bias Current
-50 -25 0 25 50 75
100pA
1nA
10pA
1pA
0.1pA
0.01pA
Input Noise
Frequency, f (Hz)
100 1k 10k 100k
100
70
50
40
30
20
10
Input Voltage, VIN (nV/ Hz)
Common-Mode Rejection
Frequency, f (Hz)
Common-Mode Rejection, CMR (dB)
10 100 1k 10k 100k 1M1
0
20
40
60
80
100
120
Phase Response
Frequency, f (Hz)
Phase, θ (degrees)
101
-210
-180
-150
-120
-90
-60
-30
0
100 1k 10k 100k 1M 10M
Small Signal Response
Frequency, f (Hz)
Open Loop Gain, A (dB)
-20
0
20
40
60
80
100
120
101 100 1k 10k 100k 1M 10M
Output Voltage Swing
Output Current, IO (A)
Voltage Drop From Supply (V)
03691215
6
5
4
3
2
1
-VO
+VO
Pulse Response
Time, t (µs)
VO - Output Voltage (V)
024681012
8
6
4
2
0
-2
-4
-6
-8
VIN = ±5 V, tA =100 ns
Power Derating
Case Temperature, TC (°C)
Power Dissipation, P (W)
20
0
20
40
60
80
100
120
140
40 60 80 100 120 140
Current Limit
Case Temperature, TC (°C)
ILIM - Current Limit, (A)
-25-50
0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
02550
75 100 125
VO = 24 V
VO =0
VO = 0
VO = -24 V
Power Response
Frequency, f (kHz)
10
100
68
46
32
22
15
10
6.8
4.6 20 30 50 70 100
Output Voltage, VO (V p-p)
50 60 70 80 90 10040
0.4
0.6
0.8
1.0
1.2
1.4
1.6 Quiescent Current
Total Supply Voltage, VS (V)
Normalized, IQ
TC = -25°C
TC = +25°C
TC = +85°C
TC = +125°C
Harmonic Distortion
Frequency, f (Hz)
Distortion (%)
300 1k 3k 10k 30k 100k100
0.003
0.01
0.03
0.1
0.3
1
3
PO = 4 W
PO = 120W
PO = 100 mW
G - 10
VS = ±37 V
3.4
205 Crawford Street, Leominster, MA 01 453 USA (508) 534-5776 FAX (508) 537-4246
OMA512SKB OMA512SKCB OMA512SDB
Voltage Across Output Transistor, (V)
5 6 7 8 910 15 20 40 60 10080
15
10
8
6
5
4
3
2
1.5
1
0.8
0.6
0.5
0.4
0.3
0.2
Output Current, (A)
Secondary
Breakdown
t = 5ms
t = 0.5 ms
t = 1ms
Voltage Across Output Transistor, (V)
5 6 7 8 910 15 20 40 60 10080
15
10
8
6
5
4
3
2
1.5
1
0.8
0.6
0.5
0.4
0.3
0.2
Output Current, (A)
Secondary
Breakdown
t = 5ms
t = 0.5 ms
t = 1ms
Voltage Across Output Transistor, (V)
5 6 7 8 910 15 20 40 60 10080
15
10
8
6
5
4
3
2
1.5
1
0.8
0.6
0.5
0.4
0.3
0.2
Output Current, (A)
Secondary
Breakdown
t = 5ms
t = 0.5 ms
t = 1ms
Standard TO-3 Copper Slug TO-3
Power DIP
MECHANICAL OUTLINE
H
1234
5
6
7
8
F
J
G
Q
R
K
A
BC
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.
.150 .030 DIA.
.040 R.
MIN.
.180 MIN.
.900
.260
MAX.
.150
1.050
.540
.750
D-12
TO-3-8
Safe Operating Area, TC= 25°C
Thermal Resistance Standard
Copper Slug
Power
Maximum Conditions TO-3 TO-3 DIP Units
AC Junction-to-Case (3) TC= -55 to +125°C, f < 60Hz 0.9 0.8 0.6 °C/W
DC Junction-to-Case TC= -55 to +125°C 1.4 1.15 0.9 °C/W
Junction-to-Air TC= -55 to +125°C 30 30 20 °C/W
Rating applies only if the output current alternates between both output transistors at a rate faster than 60 Hz.
Part Number Designator
Standard Military Drawing Number Omnirel Part Number Package
5962-9065901HXX OMA512SKB TO-3
5962-9065902HXX OMA512SKCB TO-3 Copper Slug
5962-9065901HYX OMA512SDB D-12
