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8 o, d: m( ^+ b; v7 m$ A[AD 10][2层]TDA1541 DAC主板（SAA7220P+TDA1541+OPA541AP）原理图和PCB文件
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1. 作品用途：TDA1541 DAC主板2 f _0 i+ O7 f2 t* y- D M! K" h# Q
2. 软件版本：AD 10
+ G& ]$ U. A+ S( ^6 H8 Z3. 层数：2层板
+ |$ f6 N8 x* u( a" d" u4. 用到的主要芯片：SAA7220P+TDA1541+OPA541AP
: c( o' h; {6 g) ]2 O5. PCB尺寸：307*269 mm/ r- e+ o, i2 g T3 T: Z/ [& U. g9 A: I$ g$ M
) \6 F }1 T7 }; V作品截图如下：3 A P& M- ^* ^" J8 o
顶层截图：
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7 |8 i0 H+ H" C$ k+ `; @, z底层截图：. j- U# W1 L8 U# X3 h a
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# ]+ u* N( |: L8 l& ~全层截图：5 A' G a& [7 t9 d# n
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叠层信息截图如下：
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' ]' O$ ~1 a! z& C+ A( D6 L( g| Comment（属性） | Designator（位号） | Footprint（封装） | Quantity（数量） | | Cap Pol1 | C1, C5, C17, C18, C31, C32, C90, C91, C92, C93, C94, C96, C97, C99, C100, C101, C102, C103, C104, C105, C106, C107, C108, C109, C110, C111, C113, C114, C115, C117, C118, C119, C120, C121, C122, C123, C124, C125, C126, C127, C128, C129, C130, C131, C132, C133, C134, C135, C136, C137, C204, C206, C214, C216 | RB.2/.4 | 54 | | Cap | C6, C7, C8, C9, C10, C11, C12, C39, C40, C41, C42, C43, C44, C45, C46, C47, C48, C49, C50, C51, C52, C53, C54, C55, C56, C57, C58, C59, C60, C61, C63, C64, C65, C66, C67, C68, C69, C70, C71, C72, C73, C95, C98, C112, C116, C154, C158, C161, C162, C171, C183, C202, C203, C205, C212, C213, C215, C301, C302, C303, C304, C305, C306, C307, C308, C309 | RAD2 | 66 | | Cap Pol1 | C20, C34 | RB.2/.3 | 2 | | Silver | C74, C75, C76, C77, C78 | RAD2 | 5 | | Cu | C79, C80, C81, C82, C83 | RAD2 | 5 | | Sliver | C88 | RAD2 | 1 | | Cu 681 | C89 | RAD2 | 1 | | 22u/35v | C138, C139, C140, C141, C142, C143, C144, C145, C146, C147, C148, C149, C150, C151, C152, C153, C155, C156, C157, C159, C160, C164, C165 | RB.2/.3 | 23 | | Cap Jansen | C168, C201, C211 | CAP JANSEN | 3 | | Cap Jasen | C169, C170 | CAP JANSEN | 2 | | Cap | C181, C182 | REL CAP | 2 | | 6H2 Connector | CN1, CN2 | 6*2 CONNECTOR | 2 | | Header 8 | CN3 | Heater_8 | 1 | | Inductor | L1 | AXIAL4 | 1 | | Inductor | L2 | AXIAL-0.4 | 1 | | NE5534 | Q1, Q2, Q3, Q5, Q6, Q7 | DIP8 | 6 | | BUF03 | Q4, Q8 | DIP8 | 2 | | Res2 | R1, R2, R3, R4, R5, R6, R7, R8, R9, R19, R23, R37, R41, R46, R47, R48, R49, R50, R51, R52, R53, R54, R55, R56, R57, R58, R59, R60, R61, R62, R63, R64, R65, R66, R67, R68, R69, R70, R71, R72, R73, R74, R75, R76, R77, R78, R79, R80, R81, R82, R83, R84, R85, R86, R87, R88, R89, R90, R91, R92, R93, R95, R100, R101, R102, R103, R201, R202, R203, R204, R211, R212, R213, R214 | AXIAL-0.4 | 74 | | Res2 | R10, R16 | AXIAL0.4 | 2 | | Res2 | R11, R12, R13, R14, R15, R17, R18, R20, R22, R25, R29, R30, R31, R32, R33, R35, R36, R38, R40, R43 | AXIAL-0.5-D.V | 20 | | Res2 | R24, R42, R94 | AXIAL-0.5 | 3 | | PE-62251 | T1, T2 | PE-62251 DIP6 | 2 | | BC550 | Tr3 | BC550 | 1 | | BC560 | Tr4 | BC550 CBE | 1 | | DG541 | U1 | DIP16 | 1 | | D8921 | U2 | DIP8 | 1 | | SAA7220P | U3 | DIP28 | 1 | | CS8412 | U4 | DIP28 | 1 | | TDA1541 | U5 | DIP28 | 1 | | LM317H | U6, U7, U8, U10, U11, U12, U15, U18 | CAN 317/337 | 8 | | LM317H | U9, U13, U14, U16, U17 | CAN-3 317H | 5 | | LM337H | U19, U20, U21, U23, U24, U25, U28 | CAN 317/337 | 7 | | LM337H | U22, U26, U27 | CAN-3 317H | 3 | | OPA548 | U29 | OPA548T | 1 | | REF03 | U30, U102, U104 | DIP8 | 3 | | OPA541AP | U101, U103 | OPA541AP | 2 | | VRes | V1, V2 | VR-5 | 2 |
附件：; h4 q! f& E9 J) T
原理图和PCB文件如下：
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发表于 2020-2-21 12:42
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