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STD TTL to RS485
Mode: Editors' pick
- 1
Update time：
2021-12-30 18:23:14
Creation time：
2019-07-29 03:07:21
Description
TTL to RS485 (dual direction) with isolated component of ADUM5401
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 74HC14D,653 | U2,U12 | SOIC-14_150MIL | 2 |
| 2 | ZMM5249B | D5,D7 | LL-34 | 2 |
| 3 | 22uF | COUT3,COUT4 | 0805 | 2 |
| 4 | UN1812-90CSMD | D4,D6 | 1812 | 2 |
| 5 | ME6211C33M5G-N | LDO3 | SOT-23-5 | 1 |
| 6 | LBZT52C5V1T1G | D11 | SOD-123 | 1 |
| 7 | B120-E3 | D1,D2,D3 | SMA_STANDARD | 3 |
| 8 | 10uF | C3,C4,C9,C10 | CASE-B_3528 | 4 |
| 9 | 2.2uF | CIN_3 | 0805 | 1 |
| 10 | SS16HE3_B/H | D10,D9,D8 | SMA(DO-214AC) | 3 |
| 11 | 2M | RFBT1 | 0805 | 1 |
| 12 | 10uH | L3 | L-SMD-4.4X4.2 | 1 |
| 13 | TPS62175DQCT (500mA) | U7 | WSON-10 | 1 |
| 14 | 1uF | LDOCIN2,LDOCOUT2 | 0805 | 2 |
| 15 | SP485EEN-L/TR | U3,U13 | SOIC-8_150MIL | 2 |
| 16 | 472 | R1,R5,R6,R7,R9,R20,R15,R21,R23,R27 | 0603-RES | 10 |
| 17 | 153 | R2,R26 | 0603-RES | 2 |
| 18 | 242 | R3,R4,R24,R25 | 0603-RES | 4 |
| 19 | 563 | R8,R14 | 0603-RES | 2 |
| 20 | 0 | R10,R16 | 0603-RES | 2 |
| 21 | open circuit | R11,R13,R19,R17 | 0603-RES | 4 |
| 22 | 121 | R12,R18 | 0603-RES | 2 |
| 23 | 472 (backup pull to ground) | R22 | 0603-RES | 1 |
| 24 | ADUM5401ARWZ | U1,U11 | SOIC-16_300MIL | 2 |
| 25 | LED | LED1,LED2,LED3,LED4,LED5,LED6 | CHIPLED_0603 | 6 |
| 26 | 1u | C1,C2,C5,C6,C12,C11,C8,C7 | 0603 | 8 |
| 27 | MF-MSMF125-2 | F1,F2,F3,F4 | 1812 | 4 |
| 28 | 100K | RPG1 | 0805 | 1 |
| 29 | 383K | RFBB1 | 0805 | 1 |
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