Struktury analogových IO vnitřní zapojení OZ
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1 Struktury analogových IO vnitřní zapojení OZ Jiří Hospodka Elektrické obvody analýza a simulace katedra Teorie obvodů, 804/B3 ČVUT FEL 7. přednáška Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 1 / 18
2 (D) (FK) (J) (JG) (P) (U) Struktury 40 C to 85 C analogových µa741id IO vnitřníµa741ip zapojení OZ 0 C to 70 C µa741cd µa741cp µa741cpw µa741y 55 C to 15 C µa741mfk µa741mj µa741mjg µa741mu The D package is available taped and reeled. Add the suffix R (e.g., µa741cdr). schematic VCC+ IN IN+ OUT OFFSET N1 OFFSET N VCC Component Count Transistors Resistors 11 Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška / 18
3 Základní koncepce OZ +U cc I 1 I Ri + T 7 T 1 T T 8 R z T 5 T 3 T 4 T 6 U cc Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 3 / 18
4 Základní koncepce OZ rozdělení na bloky +U cc I 1 I R i + T 7 u 1 T 1 T R z u T 8 T 5 T 3 T 4 T 6 u oa = u ib u ob = u ic Ucc Vstupní část, rozkmitový a koncový stupeň Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 4 / 18
5 Základní koncepce OZ nastavení pracovních bodů +U cc I 1 I R i I o0 + I 1 β F I 1 β F I 1 I 1 T 1 T α F I 1 α F I 1 +β F α F I 1 I β F I β F I I o0 β F I o0 β F T 7 T 8 0 R z T 3 T 4 T 5 T 6 I o0 I in = 80 na, I outmax U cc = 0 ma, β F = β = 80, U A = 100 V, R z = kω Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 5 / 18
6 Základní koncepce OZ nastavení pracovních bodů +U cc I 1 I R i I o0 + I 1 β F I 1 β F I 1 I 1 T 1 T α F I 1 α F I 1 +β F α F I 1 I β F I β F I I o0 β F I o0 β F T 7 T 8 0 R z T 3 T 4 T 5 T 6 I o0 U cc I in = 80 na, I outmax = 0 ma, β F = β = 80, U A = 100 V, R z = kω I 1 = β F I in, I = I outmax /β F, I o0 I. Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 5 / 18
7 Metoda dělení řetězce A B... u 1 u ia r ia g ma u ia r oa u oa u ib r ib g mb u ib B C r ob u ob u ic r ic g mc u ic r oc u oc R z u... Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 6 / 18
8 Analýza základní koncepce OZ vstupní díl Diferenční zesílení +U cc + u1 r ia u 1 u 1 I 1 T 1 T r oa u1 i e1 i 1 r e1 αi e1 R o 0 i e r e αi e u 1 i oa T 3 T 4 u oa r ib r e3 r p4 g mu be4 r za u oa u be4 U cc Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 7 / 18
9 Analýza základní koncepce OZ vstupní díl Diferenční zesílení +U cc + u1 r ia u 1 u 1 I 1 T 1 T r oa u1 i e1 i 1 r e1 αi e1 R o 0 i e r e αi e u 1 i oa T 3 T 4 u oa r ib r e3 r p4 g mu be4 r za u oa u be4 U cc Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 7 / 18
10 Analýza základní koncepce OZ vstupní díl Diferenční zesílení r e1 = r e = r e u 1 i e1 i 1 r e3 r p4 r e1 αi e1 u be4 R o 0 i e r e αi e u 1 g m u be4 i oa r za u oa i e1 = i e = i e = u 1 r e β. g m u be4 = αi e1 =. β + = αi e1 = αi e i oa = αi e u oa = α u 1 r e r za = = g m r za u 1 = A ua u 1 r za = (r o r o4 ) r ib Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 7 / 18
11 Analýza základní koncepce OZ vstupní díl Diferenční zesílení r e1 = r e = r e u 1 i e1 i 1 r e3 r p4 r e1 αi e1 u be4 R o 0 i e r e αi e u 1 g m u be4 i oa r za u oa i e1 = i e = i e = u 1 r e β. g m u be4 = αi e1 =. β + = αi e1 = αi e i oa = αi e u oa = α u 1 r e r za = = g m r za u 1 = A ua u 1 r za = (r o r o4 ) r ib Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 7 / 18
12 Analýza základní koncepce OZ vstupní díl Souhlasné zesílení ideové schéma R o i e1 i e r e1 r e i 1 u s αi e1 αi e i oa u s i e1 = i e = i e = r e + R o pokud g m u be4 = i e, pak i oa = 0 a A s = 0! β zde: g m u be4 = αi e1 β + u oa = i oa r za =.= u s R o β r z A r e3 r p4 u be4 g m u be4 r za u oa A s = u o A u s H = A ua A s. = r za R o β, R o r e =. g m R o β Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 7 / 18
13 Analýza základní koncepce OZ vstupní díl Souhlasné zesílení ideové schéma R o i e1 i e r e1 r e i 1 u s αi e1 αi e i oa u s i e1 = i e = i e = r e + R o pokud g m u be4 = i e, pak i oa = 0 a A s = 0! β zde: g m u be4 = αi e1 β + u oa = i oa r za =.= u s R o β r z A r e3 r p4 u be4 g m u be4 r za u oa A s = u o A u s H = A ua A s. = r za R o β, R o r e =. g m R o β Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 7 / 18
14 Analýza základní koncepce OZ vstupní díl Souhlasné zesílení kompletní zapojení R o i e1 i e i s r e1 r o1 r e u s r o αi e1 αi e r e3 r p4 u be4 g m u be4 r za u oa Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 7 / 18
15 Analýza základní koncepce OZ rozkmitový stupeň +U cc I R i r ib r ob r ib = (β + 1)(r e5 + r π6 ) = = (β + 1)r π6 = r π5 A ub = g m6r zb r zb = r ob r ic = (R i r o6 ) r ic T 5 r ic R i r o6 r oa u ib T 6 u ob U cc Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 8 / 18
16 Analýza základní koncepce OZ koncový stupeň +U cc T 7 r oc r ic = (β + 1)R z r ic T 8 R z u A uc = R z R z + r ek. = 1, rek = r e7 = r e8 r oc = r ek + r o B β + 1. = r o B β + 1 r ob u ic U cc Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 9 / 18
17 Modelový příklad výpočtu zesílení OZ +U cc I 1 I R i + T 7 u 1 β = 80 U A = 100 V R z = kω T 1 T T 5 T 3 T 4 T u u oa = u ob = u ic ib 6 I 1 = 6, 4 µa... r e1 = 4kΩ, rπ1 = 300kΩ, roa = 8 MΩ I = 50 µa... r ib = 1, 3MΩ, rob = 00 kω, ric = 160 kω T 8 R z Ucc u Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 10 / 18
18 Modelový příklad výpočtu zesílení OZ +U cc I 1 I R i + T 7 β = 80 U A = 100 V R z = kω u 1 T 1 T T 5 T 3 T 4 T u u oa = u ob = u ic ib 6 A ua = u o A = g m (r oa r ib ) =. 80,A ub = u o B = g m 6 (r ob r ic ) u 1 u ib A uc. = 1, Au = A ua A ub A uc. = T 8 R z Ucc u. = 890, Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 10 / 18
19 Modelový příklad výpočtu zesílení OZ +U cc I 1 I R i + T 7 β = 80 U A = 100 V R z = kω u 1 T 1 T T 5 T 3 T 4 T u u oa = u ob = u ic ib 6 A ua = u o A = g m (r oa r ib ) =. 80,A ub = u o B = g m 6 (r ob r ic ) u 1 u ib T 8 R z Ucc u. = 890, R z A ub = 000! a A u. = oproti původním Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 10 / 18
20 LOW-NOISE JFET-INPUT OPERATIONAL AMPLIFIERS S LOS 080D ± S E PTE MBE R 1978 ± R E VIS E D AUGUS T 1996 Vnitřní struktura IO, operačního zesilovače TL071 schematic (each amplifier) V C C + IN + IN - 64 Ω 18 Ω 64 Ω OUT C 1 18 pf 1080 Ω 1080 Ω V C C - OF F S E T NUL L (N1) OF F S E T NUL L (N) TL071 Only All component values shown are nominal. Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 11 / 18
21 DS DS Note 7: For military specifications see RETS741X for LM741 and RETS741AX for LM741A. Note 8: Human body model, 1.5 kω in series with 100 pf. Vnitřní struktura IO, OZ LM741 Schematic Diagram LM741 Operational Amplifier General Description The LM741 series are general purpose operational amplifiers which feature improved performance over industry standards like the LM709. They are direct, plug-in replacements for the 709C, LM01, MC1439 and 748 in most applications. The amplifiers offer many features which make their application nearly foolproof: overload protection on the input and output, no latch-up when the common mode range is exceeded, as well as freedom from oscillations. Connection Diagrams Metal Can Package The LM741C is the LM741C has +70 C temperatu Du Note 1: LM741H is available per JM38510/10101 Order Number LM741H, LM741H/883 (Note 1), LM741AH/883 or LM741CH See NS Package Number H08C Order Num See NS Pa Typical Application O See Offset Nulling Circuit 000 National Semiconductor Corporation DS DS Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 1 / 18
22 (PW) (Y) (D) (FK) (J) (JG) (P) (U) 0 C to 70 C µa741cd µa741cp µa741cpw µa741y Vnitřní struktura IO, OZ µa C to 85 C µa741id µa741ip 55 C to 15 C µa741mfk µa741mj µa741mjg µa741mu The D package is available taped and reeled. Add the suffix R (e.g., µa741cdr). POST OFFICE BOX DALLAS, TEXAS 7565 schematic VCC+ IN IN+ OUT OFFSET N1 OFFSET N VCC Component Count Jiří Hospodka (ELO) Transistors Struktury Resistors analogových 11 IO 7. přednáška 13 / 18
23 OP07 also features low input bias current (± 4 na for and high open-loop gain (00 V/mV for OP07E). The ets and high open-loop gain make the OP07 particularly r high-gain instrumentation applications. e input voltage range of ±13 V minimum combined with RR of 106 db (OP07E) and high input impedace progh accuracy in the noninverting circuit configuration. t linearity and gain accuracy can be maintained even at OP07E is specified for operation over the 0 C to 70 C ra OP07C over the 40 C to +85 C temperature range. The OP07 is available in epoxy 8-lead Mini-DIP and 8-lea It is a direct replacement for 75,108A, and OP05 amp 741-types may be directly replaced by removing the 741 s potentiometer. For improved specifications, see the OP1 OP1177. For ceramic DIP and TO-99 packages and sta micro circuit (SMD) versions, see the OP77. Vnitřní struktura IO, operačního zesilovače OP07 Figure 1. Simplified Schematic on furnished by Analog Devices is believed to be accurate and owever, no responsibility is assumed by Analog Devices for its or any infringements of patents or other rights of third parties that One Technology Way, P.O. Box 9106, Norwood, MA lt from its use. No license is granted by implication or otherwise Tel: 781/ y patent or patent rights of Analog Devices. Fax: 781/ Analog Devices, Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 14 / 18
24 igh accuracy in the noninverting circuit configuration. nt Vstupní linearity obvody and gain operačního accuracy zesilovače can be maintained OP07 even at O m Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 15 / 18
25 Vnitřní struktura IO, operačního zesilovače OP50 Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 16 / 18
26 Vnitřní struktura IO, oeračního zesilovače LM358 matic Diagram (Each Amplifier) Jiří Hospodka (ELO) Struktury analogových IO 7. přednáška 17 / 18
27 Děkuji za pozornost.
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