Operatsion Kuchaytirgichlarni Moslashish




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elektronika

5.Operatsion Kuchaytirgichlarni Moslashish.
LM324 mikrosxemasi bitta to'plamda yig'ilgan to'rtta bir xil operatsion kuchaytirgichdan (op-amp) iborat bo'lib, keng kuchlanish diapazonida bitta quvvat manbaidan ishlaydi. Har bir opamp kirish differensial bosqichini, qisqa tutashuvdan himoya qilishni va birlik daromadida ichki chastotani tuzatishni o'z ichiga oladi.
Ushbu qurilmaning xarakteristikalari va arzonligi uning havaskor radio sxemalari va sanoat elektronikasida keng qo'llanilishini ta'minlaydi. Bu ixcham, portativ elektron qurilmalarda foydalanish uchun ideal.
U DIP tipidagi paketlarda ishlab chiqariladi: plastmassa CDIP, keramik PDIP yoki sirtni o'rnatish uchun SO-tipi: SOIC, TSSOP. Strukturaviy tarzda, qurilma 14 ta pinga ega. Shuning uchun, ba'zilarida texnik tavsiflar, DIP-14 yoki SO-14 belgisi topilgan.
Turli holatlar uchun pinlarning tayinlanishi bir xil: 2,3, 5,6, 9,10, 13,12 - kirishlar, 1,7,8,14 - chiqish, 4 - ortiqcha quvvat manbai, 11 - minus quvvat manbai.

5.1-rasm.

  • Ta'minot kuchlanish diapazoni U manbai. (V cc): bir kutupli manba: +3…30 V, bipolyar manba: ±1,5…±15 V (V);

  • Differensial kirish kuchlanishi Udif.(V IDR): 32 V (V);

  • Kirish ref. Uin. (V ICR) -0,3…32 V (V) dan;

  • Kirish oqimi I ICR (salbiy V ICR bilan) 5 mA (mA);

  • Kirish oqimi I ICR (musbat V ICR bilan) 0,4 mA (mA);

Elektr parametrlari(U quvvati +5 V va T A +25 °C da):

  • Kirish kuchlanishi Ucm (V IO) 2...7 mV (mV) dan;

  • Kirish egilish oqimi Iin(I IB) 45...100 nA (nA) dan;

  • Chiqish uyqusi. Uout. (Vout): 0 dan… Upit. – 1,5 V (V);

  • Daromad (K): 100 dB;

  • Tarmoqli kengligi (f) 1 MGts;

  • Yuksiz joriy iste'mol I pot. (I CC): 700 mkA (µA) dan oshmasligi kerak;

  • Kirish oqimi farqi (shift oqimi) Isdv. (I IO) 5...30 nA (nA) dan;

  • Quvvatning tarqalishi P P max (P tod) korpus turiga bog'liq: PDIP 1130 mV (mVt); CDIP 1260 mV(mVt); SOIC 800 mVt.

  • Atrof muhitning ish harorati oralig'i T A: 0…+70°C;

  • Saqlash harorati T saqlash (T str): -65… +150 °C.

Foydalanilan adabiyotlar:


1."Operational Amplifiers and Linear Integrated Circuits" - avtor: Robert F. Coughlin va Frederick F. Driscoll.
2."Design with Operational Amplifiers and Analog Integrated Circuits" - avtor: Sergio Franco.
3."Op-Amps and Linear Integrated Circuits" - avtor: Ramakant A. Gayakwad.
4."Operational Amplifiers: Theory and Practice" - avtor: James K. Roberge.
5."Analog Integrated Circuit Design" - avtor: Tony Chan Carusone, David A. Johns, Kenneth W. Martin.
6."Operational Amplifiers and Linear Integrated Circuits: Theory and Applications" - avtor: Jerald G. Graeme.
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Operatsion Kuchaytirgichlarni Moslashish

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