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本帖最后由 happy112 于 2016-6-16 21:09 编辑
实物图：
电路原理图：
电路是一个高速光电二极管信号调理电路，具有 暗电流补偿功能。系统转换来自高速硅PIN光电二极管的 电流，并驱动20 MSPS模数转换器(ADC)的输入。该器件组 合可提供400 nm至1050 nm的频谱敏感度和49 nA的光电流 敏感度、91 dB的动态范围以及2 MHz的带宽。信号调理电 路采用±5 V电源供电，功耗仅为40 mA，适合便携式高速、 高分辨率光强度应用，如脉搏血氧仪。
本电路还适合其它应用，如模拟光隔离器。它还能满足需 要更高带宽和更低分辨率的应用，如自适应速度控制系 统。
BOM表：
| 2 | C1 C7 | 3.3pF | 250V | +/-0.1pF | 0805 | Kemet | CBR08C339BAGAC | Digi-Key | 399-6193-1-ND | | 1 | C2 | 0.1uF | 50V | 10.0% | 0805 | AVX Corporation | 08055C104KAT2A | Digi-Key | 478-1395-1-ND | | 6 | C3 C5 C13 C21 C41 C46 | 4.7uF | 10V | 10.0% | 0603 | TDK | C1608X5R1A475K/0.80 | Digi-Key | 445-5170-2-ND | | 20 | C4 C6 C8-10 C15-18 C20 C22-24 C27-28 C30-31 C33 C39 C43 | 0.1uF | 25V | 10.0% | 0603 | Murata | GRM188R71E104KA01D | Digi-Key | 490-1524-2-ND | | 1 | C11 | 4.7uF | 10V | 10.0% | 0805 | Taiyo Yuden | LMK212B7475KG-T | Digi-Key | 587-1442-1-ND | | 1 | C12 | 22pF | 50V | 5.0% | 0603 | TDK | C1608C0G1H220J | Digi-Key | 445-1273-2-ND | | 11 | C14 C19 C26 C32 C36 C44-45 C48-49 C51-52 | 1.0uF | 16V | 10.0% | 0603 | TDK Corp | C1608X7R1C105K | Digi-Key | 445-1604-2-ND | | 1 | C25 | 10uF | 6.3V | 20.0% | 0603 | Taiyo Yuden | JMK107BJ106MA-T | Digi-Key | 587-1256-1-ND | | 4 | C29 C47 C50 C53 | 470pF | 25V | 5.0% | 0603 | AVX Corp | 06033A471JAT2A | Digi-Key | 478-6201-2-ND | | 3 | C34 C37 C40 | 22uF | 6.3V | 10.0% | 1206 | Murata | GRM31CR60J226KE19L | Digi-Key | 490-1824-1-ND | | 2 | C38 C35 | 4.7uF | 16V | 10.0% | 1206 | TDK | C3216X7R1C475K/1.60 | Digi-Key | 445-1385-1-ND | | 1 | C42 | 0.1uF | 6.3V | 10.0% | 0805 | Yageo | CC0805KRX7R8BB104 | Digi-Key | 311-1141-1-ND | | 2 | D1-2 | SFH 2701 |
| | 1206 | OSRAM Opto Semiconductors Inc | SFH 2701 | Digi-Key | 475-2967-1-ND | | 1 | D3 | SMBJ5342B-TP | 6.8V |
| DO-214AA, SMB | Micro Commericial | SMBJ5342B-TP | Digi-Key | SMBJ5342B-TPMSTR-ND | | 1 | D4 | SBR2U30P1-7 | 400mV |
| PowerDI 123 | Diodes Inc | SBR2U30P1-7 | Digi-Key | SBR2U30P1DITR-ND | | 1 | D5 | HSMS2822 | 15V |
| SOT-23-3 | Avago Technologies | HSMS-2822 | Digi-Key | 516-1818-1-ND | | 1 | D6 | 1N5818 | 30V |
| SOD-123LF | ON Semiconductor | MBR130LSFT1G | Digi-Key | MBR130LSFT1GOSCT-ND | | 1 | D7 | SML-LX15GC | 2.2V |
| SOT-23-3 | Lumex | SML-LX15GC-TR | Digi-Key | 67-1685-2-ND | | 1 | F1 | 1210L035YR | 6V |
| 1210 | Littelfuse Inc | 1210L035YR | Digi-Key | F2997TR-ND | | 1 | FLR1 | NFM21PC105B1C3D | 16V |
| 0805 | Murata | NFM21PC105B1C3D | Digi-Key | 490-3912-2-ND | | 1 | J1 | 2 Pin - Screw Terminal |
| | 2 Pin - Thru Hole | On Shore Tech | OSTTC022162 | Digi-Key | ED2609-ND | | 1 | J2 | COAX SMB |
| | Thru-Hole | Emerson Network | 131-3701-261 | Digi-Key | J613-ND | | 1 | J3 | DC Barrel Jack |
| | SMT | CUI Inc. | PJ-002A-SMT | Digi-Key | CP-002APJTR-ND | | 1 | J4 | FX8-120S-SV(21) |
| | 120-Pin SMD | Hirose | FX8-120S-SV(21) | Digi-Key | H1219-ND | | 1 | JP1 | 3 Pin - Jumper |
| | 3 Pin - Jumper | Harwin | M20-9990345 | Mouser | 855-M20-9990345 | | 1 | L1 | 4.7uH |
| | 6mm x 6mm x 2.4mm | Coilcraft | LPS6225-472MLB |
| | | 2 | R1-2 | 24.9K |
| 1.0% | 0805 | Panasonic | ERJ-6ENF2492V | Digi-Key | ERJ-6ENF2492V | | 2 | R3 R26 | OPEN |
| | 0603 |
| |
| | | 6 | R4-5 R28-31 | 33.0 |
| 1.0% | 0603 | Panasonic | ERJ-3EKF33R0V | Digi-Key | P33.0HTR-ND | | 3 | R6 R24-25 | 10K |
| 1.0% | 0603 | Pansonic | ERJ-3EKF1002V | Digi-Key | P10.0KHTR-ND | | 1 | R7 | 100 |
| 5.0% | 0603 | Vishay/Dale | CRCW0603100RJNEAHP | Digi-Key | 541-100SATR-ND | | 2 | R8 R32 | 210K |
| 1.0% | 0603 | Panasonic | ERJ-3EKF2103V | Digi-Key | P210KHTR-ND | | 2 | R9 R33 | 64.9K |
| 1.0% | 0603 | Panasonic | ERJ-3EKF6492V | Digi-Key | P64.9KHTR-ND | | 1 | R10 | 49.9 |
| 1.0% | 0603 | Panasonic | ERJ-3EKF49R9V | Digi-Key | P49.9HTR-ND | | 4 | R11-14 | 82.0 |
| 5.0% | 0804 | Panasonic | EXB-28V820JX | Digi-Key | Y7820TR-ND | | 1 | R15 | 0.039 |
| 5.0% | 0805 | Susumu | RL1220T-R039-J | Digi-Key | RL12T.039JCT-ND | | 1 | R16 | 69.8K |
| 1.0% | 0603 | Panasonic | ERJ-3EKF6982V | Digi-Key | P69.8KHCT-ND | | 1 | R17 | 13.3K |
| 1.0% | 0603 | Panasonic | ERJ-3EKF1332V | Digi-Key | P13.3KHCT-ND | | 1 | R18 | 64.9 |
| 1.0% | 0603 | Stackpole | RMCF0603FT64R9 | Digi-Key | RMCF0603FT64R9TR-ND | | 1 | R19 | 76.8K |
| 1.0% | 0603 | Panasonic | ERJ-3EKF7682V | Digi-Key | P76.8KHTR-ND | | 1 | R20 | 147K |
| 1.0% | 0603 | Yageo | RC0603FR-07147KL | Digi-Key | 311-147KHRTR-ND | | 1 | R21 | 140K |
| 1.0% | 0603 | Panasonic | ERJ-3EKF1403V | Digi-Key | P140KHTR-ND | | 1 | R22 | 78.7K |
| 1.0% | 0603 | Vishay/Dale | CRCW060378K7FKEA | Digi-Key | 541-78.7KHTR-ND | | 2 | R23 R27 | 100K |
| 1.0% | 0603 | Panasonic | ERJ-3EKF1003V | Digi-Key | P100KHTR-ND | | 1 | T1 | 1:1 |
| | SMT | Mini-circuits® | ADT1-1WT+ |
| | | 1 | U1 | AD8065 |
| | SOT-23-5 | Analog Devices, Inc. | AD8065ARTZ-R2 |
| | | 1 | U2 | AD8475 |
| | MSOP-10 | Analog Devices, Inc. | AD8475ARMZ |
| | | 1 | U3 | ADR441 |
| | MSOP-8 | Analog Devices, Inc. | ADR441ARMZ |
| | | 1 | U4 | AD9629-20 |
| | QFN-32 | Analog Devices, Inc. | AD9629BCPZ-20 |
| | | 4 | U5 U7-9 | ADP3336 |
| | MSOP-8 | Analog Devices, Inc. | ADP3336ARMZ |
| | | 1 | U6 | ADP2300 |
| | TSOT-23-6 | Analog Devices, Inc. | ADP2300AUJZ-R7 |
| | | 1 | U10 | 24LC32A |
| | TSSOP-8 | Microchip | 24LC32AT-I/MS | Digi-Key | 24LC32AT-I/MS-ND | | 1 | Y1 | 20MHz | 1.8V | ±50ppm | 3.2mm X 7.5mm | ECS Inc. | ECS-3518-200-B-TR | Digi-Key | XC1071CT-ND |
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