NXP Semiconductors TFA9879 Скачать руководство пользователя страница 16 | Manualshive

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NXP Semiconductors

UM10340_5

TFA9879 demonstration PCB

© NXP B.V. 2011. All rights reserved.

User manual

Rev. 05 — 30 aug. 2011

16 of 20

5.2 Translation PCB 7022-001-07203

Item Qty

Reference

Part

Foot print

1

1

A1

TFA9879HN

HVQFN24-SOT616-1

2

1

C1

10u

C0603

3

2

C2,C3

100n

C0402

4

2

X1,X2

Header Single Row / 10p 2mm

5

4

X4,X5,X6

SMD-TESTPAD-1MM5

6

1

R1

0

Ω

R0402

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Содержание TFA9879

Страница 1: ...ess sensitive to external RF fields The low power consumption will increase the battery life and an excellent audio performance with high PSRR is achieved by the integrated feedback loop Furthermore t...

Страница 2: ...s please send an email to salesaddresses nxp com Revision history Rev Date Description 1 20090227 Initial version 2 20090806 Main PCB updated to revision 2 and WLCSP translation PCB replaced by HVQFN2...

Страница 3: ...er via the Class D amplifier with analog signals 3 3V buck boost converter DCDC for the ADC and I2C pull up voltage 1 8V linear regulator for the digital core of the TFA9879 External 15kV ESD protecti...

Страница 4: ...to external RF fields Internal Phase Locked Loop PLL requiring no system clock High efficiency of 92 and low power consumption Closed loop amplifier resulting in excellent audio performance PSRR 76 dB...

Страница 5: ...4 These 10R resistors must be removed from the PCB when driving I2S via X5 The USM interface USB to I2C converter including the 4 wire flat cable which are provided with the board should be connected...

Страница 6: ...Left analog input to drive Class D amplifier 2 GND Ground X14 RCA Jack 1 Right Right analog input to drive Class D amplifier 2 GND Ground 2 1 1 PCB switch settings PCB switch S1 and S5 are incorporate...

Страница 7: ...ee Class D amplifier a dummy load consisting out of a resistor RDC in series with an inductor LE should replace the loudspeaker The resistor represents the loudspeaker dc resistance and the inductor L...

Страница 8: ...r on a Windows XP operating system or higher and follow the installation procedure The GUI will start automatically after installation 2 Exit the I2C GUI program 3 Connect the USM interface to the PC...

Страница 9: ...re 7 GUI communication If the indication is still red the following should be checked An equal device address should be selected D8 DA DC or DE in GUI and demonstration PCB S1 S5 Connection of the USM...

Страница 10: ...879 demonstration PCB NXP B V 2011 All rights reserved User manual Rev 05 30 aug 2011 10 of 20 GUI settings Select Powerup Select input 2 Select Operating Mode On Increase volume for example to 0dB Fi...

Страница 11: ...L 8 Vp 3 7 V THD N 10 760 870 mW THD N 1 590 720 mW RL 8 Vp 4 2 V THD N 10 970 1120 mW THD N 1 770 940 mW RL 8 Vp 5 0 V THD N 10 1 4 1 6 W THD N 1 1 1 1 3 W RL 4 Vp 3 7 V THD N 10 1 3 1 5 W THD N 1 1...

Страница 12: ...mode LDO on DCDC off ADC off 2 2 mA LDO on DCDC on ADC on 32 mA Amplifier on mode no load Hard soft mute LDO on DCDC off ADC off 7 mA Hard soft mute LDO on DCDC on ADC on 36 mA 1 It is not recommended...

Страница 13: ...NXP Semiconductors UM10340_5 TFA9879 demonstration PCB NXP B V 2011 All rights reserved User manual Rev 05 30 aug 2011 13 of 20 4 Schematics...

Страница 14: ...NXP Semiconductors UM10340_5 TFA9879 demonstration PCB NXP B V 2011 All rights reserved User manual Rev 05 30 aug 2011 14 of 20...

Страница 15: ...L0603 16 1 L2 10uH LPS4018 17 4 R1 R11 R29 R32 470K R0603 18 4 R2 R7 R9 R38 10K R0603 19 1 R3 82K R0603 20 1 R4 150K R0603 21 2 R5 R6 0 R0603 22 1 R8 4E7 R0603 23 7 R10 R13 R19 R33 R35 R36 R37 10 R060...

Страница 16: ...hts reserved User manual Rev 05 30 aug 2011 16 of 20 5 2 Translation PCB 7022 001 07203 Item Qty Reference Part Foot print 1 1 A1 TFA9879HN HVQFN24 SOT616 1 2 1 C1 10u C0603 3 2 C2 C3 100n C0402 4 2 X...

Страница 17: ...11 All rights reserved User manual Rev 05 30 aug 2011 17 of 20 6 PCB layout 6 1 Main PCB 7022 001 07174 Two layer PCB 74mm x 65mm 35 m copper and FR4 base material Figure 9 Copper and silkscreen top l...

Страница 18: ...2011 All rights reserved User manual Rev 05 30 aug 2011 18 of 20 6 2 Translation PCB 7022 001 07213 Two layer PCB 20mm x 18mm 35 m copper and FR4 base material Figure 9 Copper and silkscreen top layer...

Страница 19: ...this document including without limitation specifications and product descriptions at any time and without notice This document supersedes and replaces all information supplied prior to the publicati...

Страница 20: ...ummy load 7 2 2 Software setup GUI 8 2 2 1 Installing software 8 2 3 Settings to play audio 9 3 Performance characterization TFA9879HN 11 4 Schematics 13 5 Bill Of Materials 15 5 1 Main PCB 7022 001 0...

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