ZHCAFJ1A January 2017 – July 2025 TAS6422-Q1 , TAS6424-Q1 , TAS6424L-Q1 , TPA3111D1-Q1 , TPA3221 , TPA3244 , TPA3245 , TPA3250 , TPA3251 , TPA3255 , TPA3255-Q1
图 4-1 展示了原理图。
表 4-1 列出了物料清单。
| 位号 | 器件型号 | 说明 | 数量 |
|---|---|---|---|
| C1 | 06031C103JAT2A | 电容,陶瓷,0.01µF,100V,+/-5%,X7R,0603 | 1 |
| C2 | 06035A102KAT2A | 电容,陶瓷,1,000pF,50V,+/-10%,C0G/NP0,0603 | 1 |
| D1、D2 | BZT52C18T-7 | 二极管,齐纳,18V,300mW,SOD-523 | 2 |
| D3、D4 | DB2J20900L | 二极管,肖特基,20V,0.5A,SOD-323F | 2 |
| J1、J2、J3、J4 | 6387-ST-T-2 | 带护套香蕉插头用香蕉插孔,4mm,TH | 4 |
| Q1、Q2 | DMP4025LSD-13 | MOSFET,P 沟道,-40V,-6.9A,SOIC-8 | 2 |
| Q3 | 2N7002-7-F | MOSFET,N 沟道,60V,0.17A,SOT-23 | 1 |
| R1 | CRCW060310K0JNEA | 电阻,10k,5%,0.1W,0603 | 1 |
| R2 | RC0603FR-0710KL | 电阻,10.0k,1%,0.1W,0603 | 1 |
| R3、R4、R12、R13 | CRCW06034K99FKEA | 电阻,4.99k,1%,0.1W,0603 | 4 |
| R5、R6 | CRCW0603165RFKEA | 电阻,165,1%,0.1W,0603 | 2 |
| R7、R9 | CRCW06033K00JNEA | 电阻,3.0k,5%,0.1W,0603 | 2 |
| R8 | CRCW06031K00JNEA | 电阻,1.0k,5%,0.1W,0603 | 1 |
| R10 | CRCW060333R2FKEA | 电阻,33.2,1%,0.1W,0603 | 1 |
| R11 | RCG060310K0FKEA | 电阻,10.0k,1%,0.1W,0603 | 1 |
| R14、R15 | CRCW0603100KJNEA | 电阻,100k,5%,0.1W,0603 | 2 |
| R16 | CRCW0603100RJNEA | 电阻,100,5%,0.1W,0603 | 1 |
| R17、R18、R19 | CRCW06032K00JNEA | 电阻,2.0k,5%,0.1W,0603 | 3 |
| U1 | LM2903AVQPWRQ1 | 汽车级双路比较器,PW0008A | 1 |
| U2 | LM2904AVQPWRQ1 | 汽车级双路低功耗运算放大器,PW0008A | 1 |