旋变变压器解码电路

SPISOMI
U23 3.3V SPICLK JP7 B +5VSPI SIN_IN EXC1 3 5 2 4 6 GND_SPI COS_IN EXC HCPL0601 R60 330R 2 3
R56 2K 8 7 6 5
Vref_2.5V R130 C89 0.01uF/50V
GND_SPI C2 0.1uF 1
COS
旋变、编码器
+5VSPI C123 R56 2K 8 7 6 5 HCPL0601 GND_SPI +5VSPI GND_SPI R56 2K 8 7 6 5 HCPL0601 GND_SPI Size B Date: File: 4-May-2011 Sheet of F:\工程 \IGBT控制器 开发资料 \IGBT_Driver\IGBT_Driver.ddb Drawn By: 6 Number Revision C50 0.1uF SAMPLE Title A C50 0.1uF CS SIN_IN R125 10K/1% 10K/1% 5 AD8397 C125 470pF/50V GND_SPI 100pF
R91 100K
EXC
R89 10K/1%
2 GND_SPI 3 -5VSPI 4 C101 R93
12
GND_SPI
C48 0.1uF C49 0.1uF
0.1uF C121 100uF/25V Vout 3 C63 0.1uF C55 0.1uF C55 0.1uF -5VSPI C98 Y3 20pF C99 8.912MHZ
C100
100pF
R92 8 +5VSPI
10K/1% D GND_SPI C88 0.1uF 1 EXC U33A AD8397
D +9VSPI 1
U29 78M05CDT GND Vin Vout 3 C120 100uF/25V C51 0.1uF C52 0.1uF +5VSPI C53 0.1uF RESET C57
U23 3.3V SPI_CS R60 330R 2 3
R127
20K/1%
6
U39B 7 SIN
Vref_2.5V R131 R128 10K/1%
U23 3.3V A SPI_SAMPLE R60 330R 2 3
1
2
3
4
5
1
Biblioteka Baidu
2
3
4
5
6
+5VSPI
U32 +5VSPI CS SAMPLE +5VSPI GND_SPI SO SCLK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 DVdd RD CS SAMPLE RDVEL SOE DB11/SO DB10/SCLK DB9 DB8 DB7 DB6 DB5 DB4 DB3 DGND DVdd DB2 DB1 DB0 XTALOUT CLKIN AD2S1205 REFOUT REFBYP AGND COS COSLO AVdd SINLO SIN AGND EXC EXC RESET FS2 FS1 LOT DOS DIR NM B A CPO DGND 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 Vref_2.5V GND_SPI COS GND_SPI +5VSPI GND_SPI SIN GND_SPI EXC EXC1 RESET +5VSPI +5VSPI
ADG
-9VSPI
2
Vin
GND_SPI +5VSPI
U31 79L05ACU
100pF
GND_SPI 10K/1%
20pF C
EXC1 3.3V
R90 10K/1%
6 GND_SPI 5
U33B 7 EXCC
AD8397 R55 2K VCCC87 0.1uF/50V 8 7 6 5 HCPL0601 +5VSPI R124 10K/1% 10K/1% R129 GND_SPI GND_SPI 10K/1% -5VSPI 4 U19 2 3 R62 510R +5VSPI SO R126 8 +5VSPI COS_IN C50 0.1uF SCLK 2 3 U39A AD8397 C124 470pF/50V GND_SPI B 20K/1% C122 100pF