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NCS2632DTBGEVB

http://onsemi.com

4

EVALUATION BOARD SCHEMATIC

Figure 4. NCS2632 Evaluation Board Schematic

U1

NCS2632

INRP

1

INRM

2

OUTR

3

AGND

4

EN

5

VSS

6

CN

7

CP

8

VDD

9

PGND

10

UVP

11

OUTL

12

INLM

13

INLP

14

VDD

C17

1uF

CN

CP

R16

1k

S3

SCRP

1

2

VDD

C7

NC

R21

NC

VP

S12

VP Strap

1

2

VDD_Fwd

U2

CAT825

RST/

1

GND

2

RST

3

MR/

4

VCC

5

S5

SCRP

1

2

R6 10k

R12

20k

R10 10k

C6

2.2uF

C10

2.2uF

J2

LINP

1

3 4

R5 0R

R17

50k

OUTL0

R2

20k

J4

LINM

1

3 4

C3

NC

R9 0R

C12

NC

TP2

INLP

TP4

INLM

TP8

VP

C4

NC

S2

12

S10

SCRM

1

2

S9

12

S4

12

C16

1uF

C15

1uF

SW1

SWITCH 1k2

VDD

VSS

C19

10uF

J9

GND

1

2

J10

GND

1

2

J8

GND

1

2

R3 10k

R11

20k

R7 10k

C5

2.2uF

C9

2.2uF

J1

RI

NP

1

3 4

R4 0R

R1

20k

H1

FIXHOLE3.2

1

1

J3

RI

NM

1

3 4

C2

NC

R8 0R

C11

NC

R22

NC

TP1

INRP

TP3

INRM

OUTR0

R14

33R

C1

NC

H2

FIXHOLE3.2

1

1

R15 12k

S1

12

R19

1.5k

H3

FIXHOLE3.2

1

1

S7

SCRM

1

2

H4

FIXHOLE3.2

1

1

S8

12

J7

VDD

1

2

OUTR

J5

ROUT

1

3 4

R13

33R

C13

1nF

S11

1 2

D1

HSMx

EN

S6

12

R20

220R

S13

12

C18

1nF

TP5

OUTR

TP6

OUTL

TP10

VSS

TP11

VDD_S

TP7

UVP

C8

NC

R18

0R

OUTL

J6

LOUT

1

3 4

C14

1nF

S14

I_VDD

1

2

TP9

EN

UVP

Summary of Contents for NCS2632

Page 1: ...valuation of the NCS2632 audio line driver performance This document is to be used with the NCS2632 data sheet The data sheet contains full technical details regarding the NCS2632 specifications and operation The board is implemented in 2 metal layers The layers have thicknesses of 35 mm 1 oz The PCB thickness is 1 6 mm 63 mils with dimensions of 115 100 mm 4 5 3 9 respectively Documents of Refere...

Page 2: ...NCS2632DTBGEVB http onsemi com 2 EVALUATION BOARD OVERVIEW Figure 2 NCS2632 Evaluation Board Overview ...

Page 3: ... Verify that EN is high with a multimeter if necessary 4 Use the voltmeter to measure the VSS pin It should measure near VDD 5 Apply a sine wave f 1 kHz 1 Vpp across INLP and INLM Observe the waveform at OUTL 6 Apply a sine wave f 1 kHz 1 Vpp across INRP and INRM Observe the waveform at OUTR For more information and circuit examples refer to the Application Information section in the data sheet Ta...

Page 4: ...1 3 4 C3 NC R9 0R C12 NC TP2 INLP TP4 INLM TP8 VP C4 NC S2 12 S10 SCRM 1 2 S9 12 S4 12 C16 1uF C15 1uF SW1 SWITCH 1k2 VDD VSS C19 10uF J9 GND 1 2 J10 GND 1 2 J8 GND 1 2 R3 10k R11 20k R7 10k C5 2 2uF C9 2 2uF J1 RINP 1 3 4 R4 0R R1 20k H1 FIXHOLE3 2 1 1 J3 RINM 1 3 4 C2 NC R8 0R C11 NC R22 NC TP1 INRP TP3 INRM OUTR0 R14 33R C1 NC H2 FIXHOLE3 2 1 1 R15 12k S1 1 2 R19 1 5k H3 FIXHOLE3 2 1 1 S7 SCRM ...

Page 5: ...nsemi com 5 EVALUATION BOARD LAYOUT The evaluation board uses two copper layers for the top and bottom traces The top layer is shown in blue while the bottom layer is shown in green Figure 5 NCS2632 Evaluation Board Layout ...

Page 6: ...e Mount Resistor 20 kW 5 0603 Panasonic Electronic Components ERJ 3EKF2002V R3 R6 R7 R10 4 Surface Mount Resistor 10 kW 5 0603 TE Connectivity 1622829 1 R4 R5 R8 R9 R18 5 Surface Mount Resistor 0R 0603 ANY ANY R13 R14 2 Surface Mount Resistor 33R 5 0603 Panasonic Electronic Components ERJ 3EKF33R0V R15 1 Surface Mount Resistor 12 kW 5 0603 Panasonic Electronic Components ERJ 3GEYJ123V R16 1 Surfac...

Page 7: ...tems or any FDA Class 3 medical devices or medical devices with a similar or equivalent classification in a foreign jurisdiction or any devices intended for implantation in the human body Should you purchase or use the board for any such unintended or unauthorized application you shall indemnify and hold ON Semiconductor and its officers employees subsidiaries affiliates and distributors harmless ...

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