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AD1861+OPA2365+AD9215+DAC900+ADS7822+AD DA电路DA900 PCB作品文件分享。$ ^! ]- V- p! _# C3 x) q, ]
用AD画的2层板，3 e" Z6 R+ B/ V
板子局部较密。) T1 T% e# t: H3 n
有一定难度，) \' ?2 c% V! C+ t5 K; y3 |0 j& _
有需要的可以看看。3 {# d0 ~$ C1 `, ^- w
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层数：2层; t' P0 C1 [! J: E0 Q
用途：数模转换板
# C( h5 Z4 W& U1 a0 G0 @pcb作品截图如下：; B, R. Z( `8 ]' g
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3 I& x: a/ C4 J3 ^附件：2 F$ [1 H/ ^* A" w* I
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BOM：+ I m0 [3 f/ \( T, A- f( k1 @
Comment | Designator | Quantity | Footprint | PHONEJACK STEREO SW | Audio OUT | 1 | PHONE1 | 0.1μF | C50, C52, C53, C57, C58, C61, C62, C65, C66, C70, C71, C72, C73, C74, C75, C76, C86, C87, C89 | 19 | 0805-C | 10μF | C51, C54, C55, C56, C67, C77 | 6 | 1210-C | 104 | C59 | 1 | 0805-C | 30pF | C60, C64 | 2 | 0805-C | 10uF | C78, C79, C82, C83 | 4 | 1210-C | 0.1u | C80, C81, C84, C85 | 4 | 0805-C | 10μF | C88, C90 | 2 | 1206-C |
+ B9 j, ~% f r+ ]6 v" i | D50 | 1 | LED-0805-12 | 1N5822 | D70, D71 | 2 | 1210-D-12 |
# `! G* e# g7 u+ l# D! k/ ` | D72 | 1 | LED-0805-AK |
$ l9 j0 `. }3 P7 d! Y! |0 I& W! H+ \ | FM_455KHz, RF_CLK, RF_OUT | 3 | SMA | IDC12 | J5, J70 | 2 | IDC12 | 8 J, B( A! t: M5 P4 D; L! H
| J52, J72, J74, J75, J76, J77 | 6 | sip2 | 5VIN | J71 | 1 | DCIN |
3 N2 d9 N; i0 u! a | J73 | 1 | RAD0.2 | ADC | L50 | 1 | 1206-B | DAC | L51 | 1 | 1206-B |
" f6 U- g9 v* q- r7 n, F" g+ s | P70, P71, P72, P73 | 4 | HOLE2 | NPN | Q50 | 1 | SOT-23 | 1K | R52, R53, R54, R55, R56, R57, R61, R62, R65 | 9 | 0805-R | 470R | R58 | 1 | 0805-R | 30R | R63, R64 | 2 | 0805-R | 2K | R70 | 1 | 0805-R | 50R | R71, R72 | 2 | 1206 | POT1 | R73, R78 | 2 | 3362 | 5K1 | R74, R75, R76, R80 | 4 | 0805-R | RES2 | R77 | 1 | 0805-R | 51K | R79, R81 | 2 | 0805-R | OPA2365 | U50, U73 | 2 | SO-8 | AD9215 | U51 | 1 | SSOP-28 | DAC900 | U70 | 1 | SSOP-28 | AX1117-3.3V | U71, U72 | 2 | AMS1117 | ADS7822 | U74 | 1 | MSOP-8 | DAC7513 | U77 | 1 | MSOP-8 |
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发表于 2019-10-16 16:48
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