PA75 APEX [Cirrus Logic], PA75 Datasheet

PA75

Manufacturer Part Number

PA75

Description

DUAL POWER OPERATIONAL AMPLIFIERS

Manufacturer

APEX [Cirrus Logic]

Datasheet

1.PA75.pdf (4 pages)

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Download datasheet (338Kb)

FEATURES

• RoHS COMPLIANT

• LOW COST

• WIDE BANDWIDTH - 1.1 Mhz

• HIGH OUTPUT CURRENT - 2.5A (Combined)

• WIDE COMMON MODE RANGE Includes negative supply

• WIDE SUPPLY VOLTAGE RANGE Single supply: 5V to 40V

• LOW QUIESCIENT CURRENT

• VERY LOW DISTORTION

APPLICATIONS

• HALF AND FULL BRIDGE MOTOR DRIVERS

• AUDIO POWER AMPLIFIER

• IDEAL FOR SINGLE SUPPLY SYSTEMS

PACKAGING OPTIONS

• 7 TO-220 Plastic Package (PA75CD)

• 7 TO-220 with Staggered Lead Form (PA75CX)

• 7 DDPAK Surface Mount Package (PA75CC)

DESCRIPTION

monolithic die. Side B of the dual monolithic is configured as a

unity gain buffer to increase the current capability of the master

side A. The use of two PA75 amplifiers provides a cost-effective

solution to applications where multiple amplifiers are required or

a bridge configuration is needed. Very low harmonic distortion

of .02% THD and low I

power audio applications.

surface mount version of the PA75, the PA75CC, is an industry

standard non-hermetic plastic 7-pin DDPAK. The through hole

version of the PA75, the PA75CD and PA75CX, are industry

standard non-hermetic plastic 7-pin TO-220 packages. The

PA75CX is staggered lead formed and offers standard 100

mil spacing. This allows for easier PC board layout. (Please

refer to the CX lead form package drawing for dimension of

the PA75CX).

of the PA75CC, PA75CD, and PA75CX. The metal tabs of the

packages are directly tied to -Vs.

EQUIVALENT SCHEMATIC

APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com

Split supplies: ± 2.5V to ± 20V

5V Peripherals, 12V Automotive, 28V Avionic

The amplifier design consists of dual power op amp on a single

The PA75 is available in three standard package designs. The

The monolithic amplifier is directly attached to the metal tabs

makes the PA75 a good solution for

ONE CHANNEL

TYPICAL APPLICATION

Ref: APPLICATION NOTES 8, 20, 26

unity gain buffer (slave channel B) in a parallel connection

yields a single 2.5A amplifier. RI and RF can set up channel A

for the required gain for the overall circuit. Small values of R

(sense resistors) are used on the outputs to improve current

sharing characteristics. The master amplifier can be configured

in inverting or non-inverting gain configurations.

EXTERNAL

CONNECTIONS

Combining the power op amp (master channel A) and the

PACKAGE STYLE CX

STAGGERED LEADS

7 PIN TO220

PACKAGE STYLE CC

7 PIN DDPAK

PACKAGE STYLE CD

7 PIN TO220

Related parts for PA75

PA75 Summary of contents

Page 1

... Side B of the dual monolithic is configured as a unity gain buffer to increase the current capability of the master side A. The use of two PA75 amplifiers provides a cost-effective solution to applications where multiple amplifiers are required or a bridge configuration is needed. Very low harmonic distortion of ...

Page 2

... PA75 ABSOLUTE MAXIMUM RATINGS SPECIFICATIONS PARAMETER INPUT OFFSET VOLTAGE, initial OFFSET VOLTAGE, vs. temperature BIAS CURRENT, initial COMMON MODE RANGE COMMON MODE REJECTION, DC POWER SUPPLY REJECTION CHANNEL SEPARATION INPUT NOISE VOLTAGE GAIN OPEN LOOP GAIN GAIN BANDWIDTH PRODUCT PHASE MARGIN POWER BANDWIDTH ...

Page 3

... TYPICAL PERFORMANCE GRAPHS APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com PA75 3 ...

Page 4

... FR4/ PC board with through hole thermal vias. Other highly thermal conductive substrate board materials are available for maximum heat sinking. MOUNTING PRECAUTIONS 1. Always use a heat sink. Even unloaded the PA75 can dis- sipate watts. 2. Avoid bending the leads. Such action can lead to internal damage. ...

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