Programmable Precision References y @Q) CJ431 ADJUSTABLE ACCURATE REFERENCE SOURCE mt 23 oma The output voltage can be adjusted to 36V TO-92 Low dynamic output impedance, its typical value is 0.22 Trapping current capability is 1 to 100mA 1.REFERENCE The typical value of the equivalent temperature factor in the The effective temperature compensation in the working 3.CATHODE | | J 2. ANODE whole temperature scope is 50 ppm/C { | range of full temperature ; Low output noise volatge Fast on-state response ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified a Mare: Cathode voitage VKA 37 Vv Cathode current range(continuous) KA -100-+150 mA 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 Cc ELECTRICAL CHARACTERISTICS (Tamb=25C unless otherwise specified) Reference Input voltage Vref VKA=Vref, IKA=10mA 2.440 | 2.495 | 2.550 | V Deviation fo reference input voltage VKA=Vref, KA=10mA AVretf AT ; 4.5 17 mV Over temperature(note) Tmin < Ta < Tmax Ratio of change in reference input AVKA=10V~Veet 1.0 27 mViV Voltage to the change in cathode AVret AVKA Ika=10mA Voltage AVKA=36V~10V 0.5 -2.0 Reference Input current ret IKA=10mA, R1=10K 2 , R2=00 1.5 4 nA Deviation of reference input current lKA=10mA, R1=10K 2 [R2=00 Alret/ AT 0.4 1.2 LBA Over full temperature range Ta=full temperature Minimum cathode current for regulation Ika(min) VKA=Vref 0.45 1.0 mA Off-state cathode current lKA(OFF) VKA=36V, Vref=0 0.05 1.0 LA Vka=Vref, 1ka=1 to 100mA Dynamic impedance ZKA 0.15 0.5 Q f <1.0KHZ Note: TMIN=0C, TMax=+70C114 Typical Characteristics Cathode Current(mA) ~2 -1 oO 1 2 3 Cathode Voltage(V) Cathode Current vs. Cathode Voltage T lxa = 10mA Ta= 25C ~ \ -10 * N se IN s N\ i Change in Reference Input Voltage(mV) Qo 5 1m 15 20 25 30 35 40 Cathode Voltage(V) Change in Reterence input voitage vs. Cathode Voltage Voltage Amplificaation(dB) 1K 10K OOK 1M 4OM Frequency(Hz)} Smai! Signal Voltage Amplification vs. Frequency 400 Cathode Current( 1 A) Impedance( ) Input and Output Voltage(V) CJ431 Via = Vinee Ta = 25C Ixa oni) [ ~1 Go Cathode Voitage(V) 1 Cathode Current vs. Cathode Voltage Dynamic Impedance Frequency 10K 100K Frequency(Hz) 1M 10M l Tr = 25C INPUT OUTPUT 2 3 4 Time(s) Pulse Response