= ANPHRER- DESCRIPTION The MC 1456/1556 is an internally compen- sated precision monolithic operational am- plifier featuring extremely low offset and bias currents and offset null capability. The MC1456/1556 is short circuit protected and its high common mode and differential in- put voltage range provides exceptional per- formance when used as an integrator, sum- ming amplifier, and voltage follower. OFFSET ADJUST CIRCUIT PIN CONFIGURATIONS MC1456/1556-F,N,T T PACKAGE nC One SET NULL inverting [(C Nas INWERTING INPUT O/forrser suri @ ORDER PART NO. MC1456T MC1556T N PACKAGE va ley, abut td InsveRT ED INI v fe ORDER PART NO. MC1456N MC1556N FEATURES Low input bias current15nA maximum F PACKAGE Low input offset current2.0nA maxi- ne [1] ra} no mum NC | 2 13 Low input offset voltage4.0mV maxi- GE 3] ne mum OFFSET NULL By fiz] Nc High slew rate2.5V/us typical INVER Us LZ ui] ve Large power bandwidth40kHz typical NONINVERTING [3 Fa] vour Low power consumption45mW maxi- npur mum v- [e] rs] OFFSET NULL Offset voltage null capability ne [7] Ts] ne Output short circuit protection ORDER PART NO Input over-voltage protection MC1456F e Mil std 883A,B,C, available MC1556F EQUIVALENT SCHEMATIC 7 Ove 1K 1K ; ak AL eT 2 y x 2 340 ; 4 ~Y 6 s 500 3 500 +k 3 30 } bg vin C 15K > 15K e e Vout IN J sts 3 56K . * A mL. | e 3 4d a TIT AR Boe q HK i > at s 3 g.. $ > < 7.7K & 1K 3 39K : 1K 2 7.7K 39K 3 50 4 ' Ov- SiMCticS 57DC ELECTRICAL CHARACTERISTICS Ta = 25C, Vs = + 15V unless otherwise specified ian ae MC1456/1556-F,N,T ABSOLUTE MAXIMUM RATINGS PARAMETER RATING UNIT Power supply voltage MC 1556 +22 V MC 1456 18 Vv Differential input voltage + Veco Vv Common mode input voltage + Voc Vv Load current 20 mA Output short circuit duration Continuous Power dissipation 680 mw Derate above Ta = 25C 46 mw/?Cc Operating temperature range MC1556 -55 to +125 C MC1456 0 to +70 C Storage temperature range -65 to +150 C SunetcS PARAM MC1556 MC1456 UNIT ARAMETE r T ER TEST CONDITIONS Min Typ Max | Min Typ Max Vos Offset voltage 2.0 4.0 5.0 10.0 | mVdc Over temperature 6.0 14.0 mVdc los Offset current 1.0 2.0 5.0 10.0 nA ocs Tas 70C 14 nA 268C = Ta Ss 125C 3.0 nA -55C = Ta S$ 25C 5.0 nA IBIAS Input current 8.0 15 15.0 | 30.0 nA Over temperature 30 40 nA Vcm Common mode voltage range +12 +13 #11 #12 Vv CMRR Common mode rejection Rs <10kO, Ta = 25C, f = 100Hz 80 110 70 110 dB ratio Zin Common mode input f = 20Hz 250 250 Mo impedance Vout Output voltage swing Ri = 2k0 +12 | +13 +11 | +12 V Icc Supply current 1.0 1.5 1.3 3.0 mA Pp DC quiescent power 30 45 40 90 mw dissipation (Vo = 0) Psrr Supply voltage rejection Rs < 10kO 50 100 75 200 pV/V ratio Large signal voltage gain Ris 2k, Vout = +10V, Ta = 25C 100 200 70 100 V/mvV Over temperature 40 40 Vimv AC ELECTRICAL CHARACTERISTICS Ta = 25C, Vs = + 15V unless otherwise specified. MC1556 MC1456 PARAMETER TEST CONDITIONS Min Typ | Max | Min | Typ | Max UNIT Differential input impedance Cp Paralle! input capacitance Open loop f = 20Hz 6.0 6.0 pF Ip Parallel input resistance 5 3 MoO en Equivalent input noise Ay = 100, Rs = 10k0, f = 1.0kHz, voltage BW = 1.0Hz 45 45 nVA/Hz BWp Power bandwidth Av = 1, Ri = 2kQ, THD < 5% Vout = +10V 40 40 kHz Phase margin (open loop, 70 70 degrees unity gain) Gain margin 18 18 dB SR Slew rate (unity gain) 2.5 2.5 V/usec Zout Output impedance f = 20Hz 4.0 2.0 1.0 25 kQ BW Unity gain crossover 1.0 1.0 MHz frequency (open loop) 58=AMPUBER ME1856 A556 MC1456/1556-F,N,T TYPICAL PERFORMANCE CHARACTERISTICS POWER DISSIPATION vs POWER POWER SUPPLY VOLTAGE BANDWIDTH 28 a a ex oo weg 6606 20 Zz 20 > 6 w & 2 16 a F 2 1 8 a > f 7 5 W oS 2. 5 2} Eo 3 3 \ 2 4 \ NY Ms 1 0 2014 +6 S110 1201416 1B 20-22 1.0 10 100 1.0M vt, v~ POWER SUPPLY VOLTAGE (VOLTS) f, FREQUENCY {KH} TYPICAL INPUT BIAS CURRENT AND INPUT OFFSET CURRENT vs VOLTAGE FOLLOWER TEMPERATURE FOR MC1556 PULSE RESPONSE 20 q Ee 2 Fe a 3 \ & 18 eT NY 5 2 5 z INPUT ~ Zo = 2 10 o> g z xa, g = Der 8 Z So rm 3 Pa \ < = QUTPUT 2 aA IMPUT OFFSET CURRENT aed J 1 66 -25 0 25 50 75 100 125 2us/DIVISION Ta, AMBIENT TEMPERATURE (C} SiN0ticS 59