Sơ đồ mạch nguyên lý card chuyển đổi a/d – d/a

Sơ đồ mạch nguyên lý card chuyển đổi a/d – d/a

1 2 3 4 5 6 7 8ABCD87654321DCBATitleNumber RevisionSizeA3Date: 12-May-2002 Sheet of File: D:\Thang\Do an tot nghiep\ADC.sch Drawn By:GND13VCC11IN-026msb2-1212-220IN-1272-3192-418IN-2282-582-615IN-312-714lsb2-817IN-42EOC7IN-53ADD-A25IN-64ADD-B24ADD-C23IN-75ALE22ref(-)16ENABLE9START6ref(+)12CLOCK10IC7ADC0809GND2Vcc13Iout4msbA15Vrf(-)15A26A37Vrf(+)14A48A59A610COMP16A711lsbA812Vee3IC8DAC0808GND2Vcc13Iout4msbA15Vrf(-)15A26A37Vrf(+)14A48A59A610COMP16A711lsbA812Vee3IC9DAC0808D03Q02D14Q15D27Q26D38Q39D413Q412D514Q515D617Q616D718Q719OE1LE11VCC20GND10IC574LS373D03Q02D14Q15D27Q26D38Q39D413Q412D514Q515D617Q616D718Q719OE1LE11VCC20GND10IC674LS373D03Q02D14Q15D27Q26D38Q39D413Q412D514Q515D617Q616D718Q719OE1LE11VCC20GND10IC474LS373123GND7VCC14V1A74LS02456GND7VCC14V1B74LS02GND78910VCC14V1C74LS02GND7111213VCC14V1D74LS02A010A112A213A315B09B111B214B31A<B2A>B4A=B3A<B7A>B5A=B6GND8VCC16IC174LS85A010A112A213A315B09B111B214B31A<B2A>B4A=B3A<B7A>B5A=B6GND8VCC16IC274LS85A1B2C3E14E25E36Y015Y114Y213Y312Y411Y510Y69Y77VCC16GND8IC374LS1381 2GND7VCC14U2A74143 4GND7VCC14U2B7414R91k+5V+5VR81k+12VD15V+C11uFVrefR11kR21kClockR101kR111k+C7R61kVrefR41kVrefVrefClock+5V+5V+5V+5V+5V+5V+5V+5VR121kR131k+C6B1B2B3B4B5B6B7B8B9B10B11B12B13B14B15B16B17B18B19B20B21B22B23B24B25B26B27B28B29B30B31A1A2A3A4A5A6A7A8A9A10A11A12A13A14A15A16A17A18A19A20A21A22A23A24A25A26A27A28A29A30A31J1CON AT62D7D6D5D4D3D2D1D0192103114125136147158J2DB15JUMPTH132184U4ALM358567U4BLM358R3C2104C3103GND+5V-5V-12V+12VGND-12V+12V+5VGNDD7D6D5D4D3D2D1D0D7D6D5D4D3D2D1D0D7D6D5D4D3D2D1D0D7D6D5D4D3D2D1D0+5V+5VC4103C5103R155kR145kR5R7C8 C10 C12+12V-12V+5V+C13+C11+C9+5VGND+5V+5V+5V-12V-12VOut1Out2Out1Out2S¬ ®å m¹ch nguyªn lý Card chuyÓn ®æi A/D – D/A . C12+12V-12V+5V+C13+C11+C9+5VGND+5V+5V+5V-12V-12VOut1Out2Out1Out2S¬ ®å m¹ch nguyªn lý Card chuyÓn ®æi A/D – D/A