EK42 Cirrus Logic Inc, EK42 Datasheet
EK42
Manufacturer Part Number
EK42
Description
Amplifier Modules & Development Tools Eval Kit PA15 PA241DW
Manufacturer
Cirrus Logic Inc
Datasheet
1.EK42.pdf
(2 pages)
Specifications of EK42
Product
Amplifier Modules
Description/function
Audio Amplifiers
For Use With/related Products
PA241DW, PA15
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
INTRODUCTION
and the PA15 are possible with the EK42 PC board. Mounting
holes are provided and the provision for standard banana jacks
simplifies connection and testing. The amplifier may be mounted
horizontally or vertically. Components are labeled on both sides
of the board for ease in probing.
several component locations have specific functions and will
usually always be necessary:
C5,C7
R1
R2
R9, C11 Compensation (see amplifier data sheet).
R5
R7
R3, C6
most common anticipated function is listed).
R4, R8
R11
R6
needs and imagination.
EK42U
Fast, easy breadboarding of circuits using the PA241DW
A multitude of circuit configurations are possible, so only
The following locations should be jumpered unless used (their
The function of any other components is up to the designer’s
Evaluation Kit for PA15 and PA241DW Pin-Outs
http://www.cirrus.com
Power supply bypasses MUST be used. Usually
ceramic types of 0.01 to 0.1µF.
Feedback resistor.
Input resistor.
Current limit (see amplifier data sheet).
Most often used as input bias current return for +input
in non-inverting circuits.
Noise gain compensation. Necessary only occasion-
ally, see Application Notes 19 and 25.
Input protection.
General purpose.
Output current sense.
GND
–IN
+IN
EK42 PA15FL, PA241DW
R4
R2
R8
C6
C2
C3
P r o d u c t I n n o v a t i o n F r o m
P r o d u c t I n n o v a t i o n F r o m
R11
C10
E K 4 2 – 2 R E V A
1
R7
C O M P . S I D E
R3
+ C5
C7 +
C12
C1
CR1
CR2
R1
C11
R9
NOTE: Illustration only, not to exact scale.
R5
R6
R10
OUT
GND
Copyright © Cirrus Logic, Inc. 2009
+V
–V
(All Rights Reserved)
88.9mm
3.5"
EQUIVALENT SCHEMATIC
GND
– IN
+IN
CAUTION
GND
OUT
+V
–V
C2
C10
R10
R9
R6
C11
R5
R7
EK42
REV A
C3
R2
R1
R3
High voltages will be present.
Use caution in handling and
probing when power is applied.
R11
CR1
CR2
C6
C5 +
+ C7
C12
C1
63.5mm
2.5"
R4
R8
1
2
C5
C7
R3
5
6
R7
R11
C10
8
C1
R1
10
1
9
APEX − EK42UREVD
C11
R9 R10
7
C3
C6
C2
R4
R2
R8
C12
R5
CR1
GND
–IN
+IN
EK42
CR2
MAY 2009
R6
EK42
+V
Out
GND
–V
1
Related parts for EK42
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Development Kit
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
Development Kit
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
High-efficiency PFC + Fluorescent Lamp Driver Reference Design
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
Development Kit
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
Development Kit
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
Development Kit
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
Development Kit
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
Development Kit
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
Development Kit
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
EVALUATION BOARD FOR CS8427
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
BOARD EVAL FOR CS8416 RCVR
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
EVALUATION BOARD FOR CS8420
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
KIT DEVELOPMENT EP9315 ARM9
Manufacturer:
Cirrus Logic Inc
Datasheet:
Part Number:
Description:
KIT DEVELOPMENT EP9302 ARM9
Manufacturer:
Cirrus Logic Inc
Datasheet:
EK42 Summary of contents
Page 1
... Evaluation Kit for PA15 and PA241DW Pin-Outs INTRODUCTION Fast, easy breadboarding of circuits using the PA241DW and the PA15 are possible with the EK42 PC board. Mounting holes are provided and the provision for standard banana jacks simplifies connection and testing. The amplifier may be mounted horizontally or vertically ...
Page 2
... 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 EK42U ...