EK11 Cirrus Logic Inc, EK11 Datasheet

EK11

Manufacturer Part Number

EK11

Description

KIT EVALUATION PA90 PA91 PA98

Manufacturer

Cirrus Logic Inc

Series

Apex Precision Power™r

Datasheets

1.EK11.pdf (3 pages)

2.EK11.pdf (6 pages)

3.EK11.pdf (2 pages)

Specifications of EK11

Channels Per Ic

1 - Single

Amplifier Type

Power

Output Type

Single-Ended

Board Type

Bare (Unpopulated)

Utilized Ic / Part

PA90, PA91, PA98

Product

Amplifier Modules

Description/function

Audio Amplifiers

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Operating Temperature

Current - Output / Channel

Voltage - Supply, Single/dual (±)

-3db Bandwidth

Slew Rate

Current - Supply (main Ic)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Other names

598-1458
EK11

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Download datasheet (270Kb)

INTRODUCTION

of linear power amplifiers circuits using the PA91 pin-out. With

ample breadboarding areas it is flexible enough to analyze a

multitude of standard or proprietary circuit configurations. Criti-

cal connections for power supply bypassing, compensation and

current limiting are pre-wired. Components not usually readily

available in engineering labs are provided. External connection

to the evaluation kit can be made via the terminals at the edge

of the circuit board. These terminal pads are suitable for stan-

dard banana jacks or direct soldering of wires. The schematic

is shown in Figure 1.

PARTS LIST

Part #

HS27

EVAL24

TW07

P6KE250A

CDC01

ASSEMBLY

1. See Figure 2. Insert and solder the transient zener diodes

2. Insert and solder the disc bypass capacitors at C1 and C2.

3. Insert the HS27 heatsink and solder the solderable studs

FIGURE 1.

Figure 1 shows the schematic of the

evaluation kit's pre-wired connections.

Components supplied with the kit are

marked with an asterisk (*). See the

amplifier's data sheet for full application

information.

EK11U

This easy-to-use kit provides a platform for the evaluation

at D3 and D4 (250V).

from the opposite side of the PCB.

http://www.cirrus.com

EK11 PA90, PA91, PA98

Evaluation Kit for PA90, PA91, PA98

Description, Vendor

Heatsink, Apex Precision Power

PC Board, Apex Precision Power

Thermal Washer,

Apex Precision Power

Transient Zener,

Microsemi (250V)

Capacitor .01µF 1kV,

Sprague 5GAS10

P r o d u c t I n n o v a t i o n F r o m

AUX1

1 box, 10 ea.

Quantity

AUX2

4. Add banana jacks as necessary to complete connections to

5. Insert the amplifier into the PCB mounting holes located in

6. Hang the TW07 thermal washer near the end of a 6-32 X

7. Solder the amplifiers pins to the PCB.

8. Add other passive components as necessary to complete

9. Most common configurations will ground the non-inverting pin

10. The four holes at the corners of the circuit board are for

11. R1-R3 are multiple feedback resistors in series. Commonly

external circuits and power supplies.

the space between the heatsink fins. So not solder the pins

at this time.

3/8" screw. Slightly pull the amplifier away from the heat sink

face. Use the screw to position the thermal washer behind

the amplifier and insert the screw into the mounting hole of

the heatsink. Use a 6-32 nut to secure the screw from the

opposite side of the heatsink. It is important that the entire

back surface of the amplifiers mounting tab be in contact

with the heatsink. Adjust the amplifiers position and tighten

the mounting screw as necessary for this to be so.

your circuit.

of the amplifier. J1 is a convenient way to do this if necessary

for your application circuit.

mounting #6 standoff spacers if desired.

available resistors do not have a breakdown voltage sufficient

to stand off the output voltage of the amplifier. Using multiple

resistors will divide down the voltage that each resistor must

withstand.

IN1

IN2

11, 12

PA91

OUT

7, 8

9, 10

C1*

LIM

-VS

APEX − EK11UREVE

C2*

250V

D3*

+VS

EK11

250V

MAY 2009

D4*

EK11

GND

Related parts for EK11

EK11 Summary of contents

Page 1

... EK11 PA90, PA91, PA98 Evaluation Kit for PA90, PA91, PA98 INTRODUCTION This easy-to-use kit provides a platform for the evaluation of linear power amplifiers circuits using the PA91 pin-out. With ample breadboarding areas it is flexible enough to analyze a multitude of standard or proprietary circuit configurations. Criti- cal connections for power supply bypassing, compensation and current limiting are pre-wired ...

Page 2

... EK11 FIGURE 2. PCB TOP SIDE IC BOTTOM SIDE DANGER D3 HIGH VOLTAGE HS27 LIM GND GND MICROTECHNOLOGY EVAL24 R-A COMPONENT & DUT SIDE 4. 3. EK11U ...

Page 3

... Cirrus Logic, Cirrus, and the Cirrus Logic logo designs, Apex Precision Power, Apex and the Apex Precision Power logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. EK11U EK11 3 ...

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