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PDF OPA511 Data sheet ( Hoja de datos )

Número de pieza OPA511
Descripción High CurrentHigh Power OPERATIONAL AMPLIFIER
Fabricantes Burr-Brown 
Logotipo Burr-Brown Logotipo



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® OPA511
High Current—High Power
OPERATIONAL AMPLIFIER
FEATURES
q WIDE SUPPLY RANGE: ±10V to ±30V
q HIGH OUTPUT CURRENT: 5A Peak
q CLASS A/B OUTPUT STAGE:
Low Distortion
q SMALL TO-3 PACKAGE
APPLICATIONS
q SERVO AMPLIFIER
q MOTOR DRIVER
q SYNCRO EXCITATION
q AUDIO AMPLIFIER
q TEST PIN DRIVER
DESCRIPTION
The OPA511 is a high voltage, high current opera-
tional amplifier designed to drive a wide variety of
resistive and reactive loads. Its complementary class
A/B output stage provides superior performance in
applications requiring freedom from cross-over
distortion. User-set current limit circuitry provides
protection to the amplifier and load in fault conditions.
The OPA511 employs a laser-trimmed monolithic
integrated circuit to bias the output transistors,
providing excellent low-level signal fidelity and
high output voltage swing. The reduced internal parts
count made possible with this bias IC improves
performance and reliability.
This hybrid integrated circuit is housed in a hermeti-
cally sealed TO-3 package and all circuitry is electri-
cally isolated from the case. This allows direct mount-
ing to a chassis or heat sink without cumbersome
insulating hardware and provides optimum heat trans-
fer.
3 –V S
4
Bias
Current
5
Circuit
Limit
2
1 RCL+
Out
8 RCL–
6 –VS
International Airport Industrial Park • Mailing Address: PO Box 11400 • Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd. • Tucson, AZ 85706
Tel: (520) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1985 Burr-Brown Corporation
PDS-599A
Printed in U.S.A. December, 1993

1 page




OPA511 pdf
TYPICAL PERFORMANCE CURVES (CONT)
TA = +25°C, VS = ±28VDC unless otherwise noted.
120
100
80
60
40
20
0
1
COMMON-MODE REJECTION
10 100 1k 10k 100k
Frequency, f (Hz)
1M
PULSE RESPONSE
8
VIN = ±5V, tR = 100ns
6
4
2
0
–2
–4
–6
–8
–2 0 2 4 6 8 10 12
Time, t (µs)
14
100
70
50
40
30
20
10
10
INPUT NOISE
100 1k 10k
Frequency, f (Hz)
100k
HARMONIC DISTORTION
3
1 PO = 50mW
0.3
0.1
0.03
0.01
PO = 32mW
VS = ±28V
RL = 8
G = 10
0.003
100
300
1k 3k 10k 30k 100k
Frequency, f (Hz)
1.3
1.2
1.1
1.0
0.9
0.8
0.7
20
QUIESCENT CURRENT
+85°C
–25°C to +25°C
30 40 50 60 70
Total Supply Voltage, VS (V)
80
OPEN-LOOP GAIN
+6
+4
+2
0
TC = +85°C
–2
TC = –25°C
TC = +25°C
–4
–6
20
30 40 50 60 70
Total Supply Voltage, VS (V)
80
®
5 OPA511

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