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NCP2824FCT2GEVB

http://onsemi.com

2

BOARD SCHEMATIC

Figure 2. NCP2824FCT2GEVB Evaluation Board Schematic

Title

Size

Document Number

Rev

Date:

Sheet

of

NCP2824 EVB TLS

P

001

A

0310

DR

NCP2824 EVB

Custom

1

1

U1

NCP2824

INP

A1

VDD

A2

OUTP

A3

AGND

B1

NC

B2

PGND

B3

INM

C1

CNTL

C2

OUTM

C3

C1

100n

C2

100n

C3
4.7

μ

F

0

OUTN

OUTP

0

0

J1

Jumper3

1

1

2

2

3

3

0

Vdd

J2

Jumper2

1

1

2

2

J3

Jumper2

1

1

2

2

0

0

Î

ÎÎ

J4

CUT H

1

1

2

2

Î

Î

ÎÎ

ÎÎ

J5

CUT H

1

1

2

2

INPF

ÎÎ

ÎÎ

J6
TP 1.0D

1

1

ÎÎ

ÎÎ

J7
TP 1.0D

1

1

ÎÎ

ÎÎ

J8
TP 1.0D

1

1

CNTL

ÎÎ

ÎÎ

J9
TP 1.0D

1

1

Vdd

ÎÎ

ÎÎ

J10
TP 1.0D

1

1

ÎÎ

ÎÎ

J11
TP 1.0D

1

1

ÎÎ

ÎÎ

ÎÎ

ÎÎ

J13

GND

1

1

2

2

0

0

INMF

J14CON2

1

1

2

2

0

J15

CON2

1

1

2

2

C4
NC

0

C5

100

μ

F

NC

C6
4.7

μ

F

0

J16

FIX 3.2 H

1

1

J17

FIX 3.2 H

1

1

J18

FIX 3.2 H

1

1

J19

FIX 3.2 H

1

1

0

ÎÎ

ÎÎ

J12

TP 1.0D

1

1

ENABLE

 SINGLE WIRE

BOARD FIXATION HOLES

POWER SUPPLY

SPEAKER CONNECTION

Summary of Contents for NCP2824FCT2GEVB

Page 1: ...when an excessive input is applied to the amplifier This adjustment is done thanks to an Automatic Gain Control circuitry AGC built in the chip A simple Single wire interface allows to enable disable...

Page 2: ...00n C3 4 7 F 0 OUTN OUTP 0 0 J1 Jumper3 1 1 2 2 3 3 0 Vdd J2 Jumper2 1 1 2 2 J3 Jumper2 1 1 2 2 0 0 J4 CUT H 1 1 2 2 J5 CUT H 1 1 2 2 INPF J6 TP 1 0D 1 1 J7 TP 1 0D 1 1 J8 TP 1 0D 1 1 CNTL J9 TP 1 0D...

Page 3: ...y impact the evaluation board performance illustrated in Figure 3 to 8 For more information please refer to the NCP2824 datasheet Single Wire Interface Operation The single wire interface allows chang...

Page 4: ...Negative Audio output SWITCHES SETUP Symbol Switch Descriptions J1 Enable J4 Short input capacitor on positive input J5 Short input capacitor on negative input J2 Connect the positive audio input to G...

Page 5: ...0 40 50 60 70 80 90 100 0 200 400 600 800 1000 Pout mW RL 8 W THD ve rsus Fre que ncy Vdd 3 6V 0 001 0 01 0 1 1 10 10 100 1000 10000 100000 Fr eq Hz THD N Pout 250mW Pout 500mW Figure 7 Peak Output Vo...

Page 6: ...he PCB and layout the critical nodes The evaluation board is made of 4 PCB layers where first internal layer is a GND Figure 9 Figure 10 and Figure 11 show the layout of the NCP2824FCT2GEVB board For...

Page 7: ...ical experts SCILLC does not convey any license under its patent rights nor the rights of others SCILLC products are not designed intended or authorized for use as components in systems intended for s...

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