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2-7

2.5

Reference

This section includes the TPA0253 EVM schematic, the EVM parts list, and the
module PCB layers.

2.5.1

EVM Schematic

Figure 2–5 shows the TPA0253 EVM schematic.

Figure 2–5. TPA0253 EVM Schematic Diagram

C4

µ

F

R1

100 k

TPA0253

S1

R

O

/M

O

+

NO

SD

FILT_CAP

BYPASS

LO/MO

LIN

VDD

ST/M

10

9

8

7

1

2

3

4

V

DD

STEREO/
MONO

C3

10 

µ

F

GND

RIN

RO/MO

6

5

GND

L

IN

R3

12 k

C2

0.47 

µ

F

R2  50 k

R

IN

R5

12 k

C6

0.47 

µ

F

R4  50 k

C5
0.47 

µ

F

SHUT

DOWN

L

O

/M

O

R7  100 k

R8

100 k

J1

C7

220 

µ

F

R6

1 k

C8
220 

µ

F

R9

1 k

C1

µ

F

Summary of Contents for TPA0253EVM

Page 1: ...December 2000 Mixed Signal Products User s Guide SLOU100...

Page 2: ...this warranty Specific testing of all parameters of each device is not necessarily performed except those mandated by government requirements Customers are responsible for their applications using TI...

Page 3: ...fier integrated circuit FCC Warning This equipment is intended for use in a laboratory test environment only It generates uses and can radiate radio frequency energy and has not been tested for compli...

Page 4: ...iv...

Page 5: ...or SE Stereo Headphone Output 2 6 2 5 Reference 2 7 2 5 1 EVM Schematic 2 7 2 5 2 EVM Parts List 2 8 2 5 3 Module PCB Layers 2 9 Figures 1 1 The TI TPA0253 Audio Amplifier Evaluation Module 1 3 2 1 Qu...

Page 6: ...vi...

Page 7: ...TPA0253 audio amplifier evaluation module SLOP270 It includes a list of EVM features a brief description of the module illustrated with a pictorial diagram and a list of EVM specifications Topic Page...

Page 8: ...audio amplifier evaluation platform Evaluation module is designed to simply plug into the platform automatically making all signal control and power connections Platform provides flexible power optio...

Page 9: ...play audio amplifier evaluation platform or to be wired directly into existing circuits and equipment when used stand alone The platform has room for a single TPA0253 evaluation module and is a conve...

Page 10: ...1 4 Introduction...

Page 11: ...nd control inputs and signal outputs to the EVM using standard connectors The TPA0253 audio amplifier evaluation module can also be used stand alone by making connections directly to the module pins a...

Page 12: ...may result Figure 2 1 Quick Start Platform Map Signal Conditioning CAUTION Do not insert or remove EVM boards with power applied ICC JP4 F1 VR1 R1 JP3 JP2 JP1 AC DC J2 VCC J1 D1 D2 D3 D4 J2 J3 J4 J5 A...

Page 13: ...lect and connect the power supply ensure power supply is set to OFF a Connect an external regulated power supply set to 5 V to platform VDD power input connector J6 taking care to observe marked polar...

Page 14: ...wer supply 1 Ensure that all external power sources are set to OFF 2 Connect an external regulated power supply set to 5 V to the module VDD and GND pins taking care to observe marked polarity Inputs...

Page 15: ...TL Output Figure 2 3 shows two TPA0253 EVMs connected for stereo BTL operation Figure 2 3 TPA0253 EVMs Connected for Stereo BTL Output GND LO MO SHUTDOWN GND C3 VDD GND GND LIN VDD GND GND RIN TPA0253...

Page 16: ...phone operation Figure 2 4 TPA0253 EVM Connected for Single Ended Stereo Headphone Output GND LO MO SHUTDOWN GND C3 VDD GND GND LIN VDD GND GND RIN TPA0253 EVM Board U1 TEXAS INSTRUMENTS 2000 R2 S1 R1...

Page 17: ...he TPA0253 EVM schematic Figure 2 5 TPA0253 EVM Schematic Diagram C4 1 F R1 100 k TPA0253 S1 RO MO NO SD FILT_CAP BYPASS LO MO LIN VDD ST M 10 9 8 7 1 2 3 4 VDD STEREO MONO C3 10 F GND RIN RO MO 6 5 G...

Page 18: ...8 Capacitor 220 F 10 V 7 3 mm L 4 3 mm W 2 Sanyo POSCAP 10TPB220M R2 R4 Potentiometer 50 k 1 2 W through hole 2 Bourns 3323P 50K Digi Key 3323P 503 ND R6 R9 Resistor 1 k 1 10 W 5 0805 2 Panasonic ERJ...

Page 19: ...s The following illustrations depict the TPA0253 EVM PCB layers and silkscreen These drawings are not to scale Gerber plots can be obtained from any TI Sales Office Figure 2 6 TPA0253 EVM PCB Figure 2...

Page 20: ...2 10 Figure 2 8 TPA0253 EVM Bottom Layer...

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