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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 

15 of 20

5.  Bill Of Materials 

5.1  Main PCB 7022-001-07164 

 

Item  Qty 

Reference 

Part 

Foot print 

 

 

 

 

 

 

 

A1 

ADP3336 

MSOP8 

 

A2 

LTC3440EMS 

MSOP10 

 

A3 

UDA1361TS 

SSOP16-SOT369-1 

C1,C21 

10n 

C0603 

 

C2,C9,C11,C14 

10uF 

C0603 

 

C3,C12,C17,C20 

1u 

C0603 

 

C4,C5,C6,C7,C10 

1n 

C0603 

 

C8 

150pF 

C0603 

 

C22 

100nF 

C0603 

 

10 

C13 

47uF 

C0805 

 

11 

C15,C16 

1.5nF 

C0603 

 

12 

C23 

10pF 

C0603 

 

13 

C24 

82pF 

C0603 

 

14 

D1 

74HCU04D 

SO14 

 

15 

L1,L3,L4,L5 

BLM18EG221SN1 

L0603 

 

16 

L2 

10uH 

LPS4018 

 

17 

R1,R11,R29,R32 

470K 

R0603 

 

18 

R2,R7,R9,R38 

10K 

R0603 

 

19 

R3 

82K 

R0603 

 

20 

R4 

150K 

R0603 

 

21 

R5,R6 

R0603 

 

22 

R8 

4E7 

R0603 

 

23 

R10,R13,R19,R33,R35,R36,R37 

10 

R0603 

 

24 

R12 

270K 

R0603 

 

25 

R14 

15K 

R0603 

 

26 

R17 

160K 

R0805 

 

27 

R18 

56K 

R0603 

 

28 

R20,R25,R30,R34 

1K 

R0603 

 

29 

R39 

8.2K 

R0603 

 

30 

S1,S2,S3,S4,S5 

Secme PCB Jumper Switch 3P   

 

31 

V1,V2 

SL04 

DO219AB 

 

32 

V3 

IP4303CX4/LF 

WLCSP4 

 

33 

X1,X2 

Vertical Receptable Single Row 2mm 10p 

 

34 

X3,X7 

Vertical PCB Mounted Screw Terminal small 2P 

35 

X4,X5 

Header Straight Pins Double Row / 10p 

 

36 

X6,X8,X10,X13,X15,X16,X17,X18  Isolated Testpin 

 

 

37 

X9 

Stocko Header Straight Pins 4p   

 

38 

X11,X14 

Phono Conn Black WBTOR-1 

 

 

39 

X20 

Header 2P Pitch2.5MM 

 

 

40 

Z1 

12.288Mhz 

CRYSTAL HC-49-S 

 

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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