Programmable Precision References CJ431 ADJUSTABLE ACCURATE REFERENCE SOURCE i ho -E je 4 TO-92 1.REFERENCE 2.ANODE 3.CATHODE Pe eae Se rie a ararn es ener ee Tae eerenta se Rpoire ite aa crate i Fett Samia bene ol itech oreo oe aaseshe ABSOLUTE MAXIMUM RATINGS Operating Remiperatre range applies unless otrerwise Specified) FEATURES The output voltage can be adjusted to 36V Low dynamic output impedance, its typical value is 0.2 2 Trapping current capability is 1 to 100mA ~ The typical value of the equivalent temperature factor in the whole temperature scope is 50 ppm/C The effective temperature compensation in the working range of full temperature Low output noise volatge Fast on-state response Src = eae Bice aan tml aad ar e De em oe ee nee eee Ca aaa rae a See ee : Tee sear earets Bea Teen aaa ar Tis epee ia EE ee ene en a aire ean aE pane mens eee, Se ce Sa aah pt hers Stace Te eae F ya hters a ae ce Ere ee - s ae a Se Ae dd PO mat . Sein ea eae Hae ri - bee iN elena = Pp sat : = Pp oa ag nol = Scant iE rere Mi Say ey es ra be ere hbo ert x re faa aR Toth ame eat 2 i 1 xe ecg let a ell sitet Beiter Me ch a ee i Deere eerie ec) mathicdes cline pone cake Cathode voltage Cathode current range(continuous) IKA -100-+150 Reference input current range lref 0.05-+10 mA Power dissipation Pp 770 mW Operating temperature Topr 0-70 Cc | Storage temperature range Tstg -65-+150C C ELECTRICAL CHARACTERISTICS ene 25C unless otherwise specitied). Parameter f : : ie Reference Input ecole VkA=Vref, IKA=10mA | Deviation fo reference input voltage VKA=Vref, IKA=10mA a AVrefl AT 4.5 17 mV Over temperature(note) Tmin < Ta < Tmax Ratio of change in ref input } change in reference inpu AVKA=10V~Veer 410 27 mV Voltage to the change in cathode AVret[AVKA IKA=10mA Voltage AVKA=36V~10V 05 | -2.0 Reference Input current lref IKA=10mA, R1=10K2 , R2=co 1.5 4 nA Deviation of reference input current IkKA=10mA, R1=10K 2 ,R2=<0 Alreff AT 0.4 1.2 LA Over full temperature range Ta=full temperature Minimum cathode current for regulation | _|KA(min) VKA=Vret 0.45 1.0 mA } Off-state cathode current IKA(OFF) VKA=36V, Vref=0 0.05 1.0 nA VKA=Vref, 1KA=1 to 100mMA Dynamic impedance ZKA 0.15 0.5 Q f <1.0KHZ Note: TmMin=0C, TMAx=+70CTypical Characteristics CJ431 . BOO Wa = VREF . 125 a= 28-6 Wes, ner 100 600 75 < c 50 + 400 o O 5 25 = = wo 0 O 200 3 2 = _ 25 4] = o -50 C) 0 ~ 75 = 1) = 200 -2 -1 0 1 2 3 1 0 7 2 3 Cathode Voltage(V) | Cathode Voltage(V) Cathode Current vs. Cathode Voltage Cathode Current vs. Cathode Voltage 0 100 70 { ih 40 => E D g -10 20 S ~ = =15 a 7 o oO @ 4 2 =" ; c G 2 Sn oO o -25 a ou 1 Cx i} E O.? Cc ines 0.4 on - 35 = 0.2 O ~ 40 a4 0 5 10 15 20 25 a0 36 40 1K 10% 1DOK 1M 10M Cathode Voltage(V) | Frequency(Hz) Change In Keterence input voitage vs. Dynamic Impedance Frequency Cathode Voltage 70 t | itd Ta = 25C _ 1 Ima = 7Om4 mm 60 = Sa | a cc Ss 0 D = Oo Qo *. > = 3 B 3 Pa _ @ 20 O oD oO co Cc = o 10 oe > a. 0 = 10 | 1K 10K 100K aM 10M 0 1 2 3 4 5 6 ? Frequency(Hz) Time(u s) Small Signal Voltage Amplification vs. Frequency Pulse Response