PAD128 Thaler Corporation, PAD128 Datasheet

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PAD128

Manufacturer Part Number
PAD128
Description
High Power Operational Amplifier
Manufacturer
Thaler Corporation
Datasheet
HIGH POWER OPERATIONAL AMPLIFIER
Innovation by
Thaler Corp 2015 N Forbes Blvd Tucson AZ 85745 USA Phone (800)827-6006 or (520)882-4000 Fax (520)770-9222 Web Site:
The PAD128 high power operational amplifier is
constructed with surface mount components to
provide a cost effective solution for many
industrial applications. With a footprint only 5.6
in
that
component amplifiers or rack-mount amplifiers.
User selectable external compensation tailors the
amplifier’s
requirements. The PAD128 also features a
substrate temperature reporting output and over-
temp shutdown. The amplifier achieves rail to rail
operation with the addition of the optional
PAD130 Power Supply Accessory Module. The
amplifier circuitry is built on a thermally
conductive but electrically insulating substrate
mounted to an integral heat sink and fan assembly.
No BeO is used in the amplifier. The resulting
module is a small, high performance turn-key
solution for many industrial applications.
2
LOW COST
HIGH VOLTAGE – 100 VOLTS
HIGH OUTPUT CURRENT – UP TO 30A
140 WATT DISSIPATION CAPABILITY
300 WATT OUTPUT CAPABILITY
WIDE SUPPLY RANGE ± 10V – ± 50V
INTEGRATED HEAT SINK AND FAN
TEMPERATURE REPORTING
OVER-TEMPERATURE SHUTDOWN
RAIL TO RAIL CAPABLE WITH PAD130
ACCESSORY MODULE
LINEAR MOTOR DRIVE
INDUSTRIAL (PA) AUDIO
SEMICONDUCTOR TESTING
VIBRATION CANCELLATION
MAGNETIC BEARINGS
the PAD128 offers outstanding performance
rivals
PowerAmp Design
APPLICATIONS
KEY FEATURES
DESCRIPTION
response
much
more
to
expensive
the
application
hybrid
A critical task in any power amplifier application
is cooling the amplifier. Until now component
amplifier manufacturers often treated this task as
an after-thought, left for the user to figure out. At
Power Amp Design the best heat sink and fan
combination is chosen at the start and becomes an
integral part of the overall amplifier design. The
result is the most compact and volumetric
efficient design combination at the lowest cost. In
addition, this integrated solution concept offers an
achievable real-world power dissipation rating,
not the ideal rating usually cited when the
amplifier case is somehow kept at 25
no longer needs to specify, procure or assemble
separate components.
PAD128 MOUNTED IN EVALUATION KIT
A NEW CONCEPT
o
C. The user
www.Thaler.com
PAD128
Rev C

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PAD128 Summary of contents

Page 1

... INDUSTRIAL (PA) AUDIO • SEMICONDUCTOR TESTING • VIBRATION CANCELLATION • MAGNETIC BEARINGS DESCRIPTION The PAD128 high power operational amplifier is constructed with surface mount components to provide a cost effective solution for many industrial applications. With a footprint only 5 the PAD128 offers outstanding performance that ...

Page 2

... Cc1 Cc2 NC OUT1 VIEW FROM COMPONENT SIDE TMP NC OUT2 SLEW V/uS * SEE APPLICATION CIRCUITS 470pF 3.5 FOR OTHER CONNECTIONS 100pF 16 AND FUNCTIONS. CIRCUIT & CONNECTIONS + +Vs TO FEEDBACK -Vs & LOAD PAD128 www.Thaler.com 2 ...

Page 3

... PAD128 HIGH POWER OPERATIONAL AMPLIFIER __________________________________________________________________________________ SUPPLY VOLTAGE, +Vs to −Vs 100V SUPPLY VOLTAGE +Vcc to –Vcc 120V OUTPUT CURRENT, peak 30A, within SOA POWER DISSIPATION, internal, DC 140W OPERATING TEMPERATURE, heat sink −40 to +105°C PARAMETER INPUT OFFSET VOLTAGE OFFSET VOLTAGE vs. temperature OFFSET VOLTAGE vs. supply ...

Page 4

... HIGH POWER OPERATIONAL AMPLIFIER COOLING FAN The PAD128 relies on its fan for proper cooling of the amplifier. Make sure that air flow to the fan and away from the heat sink remains unobstructed. The cooling method used is impingement cooling, which means that cool air is pushed into the heat sink and warm air is exhausted through the spaces between the heat sink fins ...

Page 5

... QUIESCENT CURRENT VS SUPPLY VOLTAGE TOTAL SUPPLY VOLTAGE, (V) QUIESCENT CURRENT VS TEMPERATURE -40 - 100 120 O CASE TEMPERATURE, C HARMONIC DISTORTION 0 - 100pF 4 Ω LOAD ± ± 45V 0.1 100 1k 30 10k 100 1000 10000 FREQUENCY, F(Hz) PAD128 100 30k www.Thaler.com 5 ...

Page 6

... G=-10, Cc=100pF TYPICAL PERFORMANCE GRAPHS SMALL SIGNAL PHASE RESPONSE 30k 100000 100k 1000000 1M FREQUENCY, F(Hz) TEMPERATURE OUTPUT -40 - 100 120 O SUBSTRATE TEMPERATURE, C PAD128 3M www.Thaler.com 6 ...

Page 7

... Ch2. The Ch1 display shows the output current going to zero about 1.5µS after the shutdown signal goes low. Pulse Response, Negative to Positive , 4Ω Load G=-10, Cc=100pF PAD128 www.Thaler.com 7 ...

Page 8

... HIGH POWER OPERATIONAL AMPLIFIER SHUTDOWN RECOVERY, ZERO TO POSITIVE TRANSITION The oscilloscope display at the right shows an expanded view of the PAD128 recovering from a shutdown condition and resuming the portion of a 1kHz 5Ap-p amplifier output signal on Ch1. The Ch2 display shows shutdown signal going high (no shutdown). The amplifier recovers from the shutdown condition in about 30µ ...

Page 9

... The safe operating area (SOA power amplifier is its single most important specification. The SOA graph presented above serves as a first approximation to help you decide if the PAD128 will meet the demands of your application. But a more accurate determination can be reached by making use of the PAD Power™ ...

Page 10

... HIGH POWER OPERATIONAL AMPLIFIER Thaler Corp 2015 N Forbes Blvd Tucson AZ 85745 USA Phone (800)827-6006 or (520)882-4000 Fax (520)770-9222 Web Site: Power Amp Design PADXXX PAD128 DIMENSIONAL INFORMATION www.Thaler.com 10 ...

Page 11

... OPEN COLLECTOR OR OPEN DRAIN LOGIC GATES CIRCUIT EXTERNAL SHUTDOWN WITH MONITOR 1 BAL -IN +IN -Vcc NC SD GND TYPICAL PAD128 CONNECTIONS TO PAD121 ACCESSORY MODULE Thaler Corp 2015 N Forbes Blvd Tucson AZ 85745 USA Phone (800)827-6006 or (520)882-4000 Fax (520)770-9222 Web Site 5.1k 2N2907 5V SHUTDOWN MONITOR ...

Page 12

... FIGURE 3. MONITORING TMP AND BAL SUB +Vcc Cc1 Cc2 NC OUT1 PAD128 VIEW FROM COMPONENT SIDE -Vcc NC SD GND TMP NC OUT2 PAD130 VIEW FROM COMPONENT SIDE FIGURE 4. APPLICATION CIRCUITS ...

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