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OPA547 Datasheet(PDF) 1 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Part No. OPA547
Description  High-Voltage, High-Current OPERATIONAL AMPLIFIER
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Manufacturer  BURR-BROWN [Burr-Brown (TI)]
Direct Link  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

OPA547 Datasheet(HTML) 1 Page - Burr-Brown (TI)

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®
1
OPA547
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
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
®
OPA547
©1997 Burr-Brown Corporation
PDS-1326A
Printed in U.S.A. May, 1997
High-Voltage, High-Current
OPERATIONAL AMPLIFIER
DESCRIPTION
The OPA547 is a low cost, high-voltage/high-current
operational amplifier ideal for driving a wide variety
of loads. A laser-trimmed monolithic integrated cir-
cuit provides excellent low-level signal accuracy and
high output voltage and current.
The OPA547 operates from either single or dual sup-
plies for design flexibility. In single supply operation,
the input common-mode range extends below ground.
The OPA547 is internally protected against over-
temperature conditions and current overloads. In addi-
tion, the OPA547 was designed to provide an accurate,
user-selected current limit. Unlike other designs which
use a “power” resistor in series with the output current
path, the OPA547 senses the load indirectly. This
allows the current limit to be adjusted from 0 to
750mA with a 0 to 150
µA control signal. This is easily
done with a resistor/potentiometer or controlled digi-
tally with a voltage-out or current-out DAC.
The Enable/Status (E/S) pin provides two functions.
An input on the pin not only disables the output stage
to effectively disconnect the load but also reduces the
quiescent to conserve power. The E/S pin output can
be monitored to determine if the OPA547 is in thermal
shutdown.
The OPA547 is available in an industry-standard
7-lead staggered TO-220 package and a 7-lead DDPAK
surface-mount plastic power package. The copper tab
allows easy mounting to a heat sink or circuit board
for excellent thermal performance. It is specified for
operation over the extended industrial temperature
range, –40
°C to +85°C.
FEATURES
q WIDE SUPPLY RANGE
Single Supply: +8V to +60V
Dual Supply:
±4V to ±30V
q HIGH OUTPUT CURRENT:
500mA Continuous
q WIDE OUTPUT VOLTAGE SWING
q FULLY PROTECTED:
Thermal Shutdown
Adjustable Current Limit
q OUTPUT DISABLE CONTROL
q THERMAL SHUTDOWN INDICATOR
q HIGH SLEW RATE: 6V/
µs
q LOW QUIESCENT CURRENT
q PACKAGES:
7-Lead TO-220
7-Lead DDPAK Surface-Mount
APPLICATIONS
q VALVE, ACTUATOR DRIVER
q SYNCHRO, SERVO DRIVER
q POWER SUPPLIES
q TEST EQUIPMENT
q TRANSDUCER EXCITATION
q AUDIO AMPLIFIER
OPA547
V
IN
V
IN
+
V+
E/S
R
CL
R
CL sets the current limit
value from 0 to 750mA.
(0.25W
Signal Resistor)
I
LIM
V
O
V–


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