TDA7439 CSR8645 NodeMCU Preamplifier Board

2 years ago 1810
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

TDA7439 + [Esp8266 NodeMCU (+ Aptx module CSR8645) isolated ] audio board

Firmware is available here: https://github.com/StarrLucky/TDA7439_CSR8645_NodeMCU_Preamplifier_Board

Old version: https://easyeda.com/fxndstrs/tda7439_old (no ground separation, noisy).

Documents

TDA7439

TDA7439

BOM

ID Name Designator Footprint Quantity
1 TDA7439 U2 SDIP-30 BIG PAD 1
2 2,2uF C31,C30 CAP-D5.0XF2.0 2
3 5K6 R7,R8 0805 2
4 2K7 R9,R10 0805 2
5 10uF C33,C11 CAP-D5.0XF2.0 2
6 33nF C32 0805 1
7 100nF C15,C14,C12,C13 0805 4
8 22nF C19,C17 0805 2
9 15nF C21,C23 0805 2
10 470nF C22,C24,C25,C20,C18,C16 0805 6
11 5600pF C28,C29 0805 2
12 3300pF C27,C26 0805 2
13 d53dd3a70a82db255b59b7e17aa3ff18 9V_IN WJ2EDGVC-5.08-2P 1
14 2eca967a189b4ad7bd5668d04f40b6fb U3 ESP12E_DEVKIT-V1 1
15 5ba509f895244278a1309c0031b47188 R15,R12,R19,R20,R29,R30,R32,R34,R35,R17,R6 0805 11
16 5ba509f895244278a1309c0031b47188 R18,R11,R31,R33,R36,R16 0805 6
17 e08526e65b5e407b8e637a308d00f78f LED1,LED2 LED-3MM/2.54 2
18 14305fcff6fe44d7aa3af50b8ddc6b6d R5,R1 0805 2
19 14305fcff6fe44d7aa3af50b8ddc6b6d R2,R3,R21,R22 0805 4
20 14305fcff6fe44d7aa3af50b8ddc6b6d R4 0805 1
21 5ba509f895244278a1309c0031b47188 R13 0805 1
22 5ba509f895244278a1309c0031b47188 R14 0805 1
23 6baac764081545900d527035a5806b9d P1,P3,P4 HDR-8X1/2.54 3
24 a2e45eac81ef4bce85afcbd186ad4abd U4 CSR8645_2 1
25 14305fcff6fe44d7aa3af50b8ddc6b6d R23,R24,R27,R28 0805 4
26 14305fcff6fe44d7aa3af50b8ddc6b6d R25,R26 0805 2
27 a7576731b0bb4644bdf53669c05a1112 C1 0805 1
28 a7576731b0bb4644bdf53669c05a1112 C2 0805 1
29 5fe245ff6b9e475096776d0b6c0998a1 C3,C4,C5,C6 0805 4
30 588dac9f81df8f83843513972963b454 U6,U12 SOT-223 2
31 5fe245ff6b9e475096776d0b6c0998a1 C7 0805 1
32 5fe245ff6b9e475096776d0b6c0998a1 C8,C38 0805 2
33 780fa0fc0b3c4f1b975892ecfd3d3c55 AUDIO1 PJ-327E-5A 1
34 5fe245ff6b9e475096776d0b6c0998a1 C34,C35,C9,C10,C39,C40 0805 6
35 089f853e15684e2f92ea6c2d29604ec9 SW1 KEY-6.0*6.0-4 1
36 5fe245ff6b9e475096776d0b6c0998a1 C36 0805 1
37 73cf4db60ff344f8a415b734dfaec7a1 C37 CP_13X21MM 1
38 df98116f7b2547e0892a733da786d553 U13,U7 SMD-4(6.5X4.58) 2
39 4c36d9761e0b40d7bb4750d9ff75f12f U15,U14 DPAK-3 2
40 dd18d9d5b55d441bab8156132aa48f06 U16,U17 B0505S-2WR2 2
41 96a18e1a405647a08e313740c71be034 OK1,OK2 SOIC08 2
42 e7c9a00ac98f4f90a0feb03c7bdd0b77 U1,U5 SOIC-14_150MIL 2

Attachments

None

Members

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Comments (1)

BHATIA Reply

HI.... DEAR LUCKY
IM 60 yrar old man  I have been learning easyeda without any teacher but today i come to l
know that i am nothing.. you have very good knowledge..I saw a schematic  of yours today.
 https://easyeda.com/fxndstrs/tda7439_old. can you btell me little about it please....


thanks
Regard
Gulshan Bhatia
[email protected]//9560719901

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