Datasheet TL431A, TL431B, NCV431A, NCV431B, SCV431A (ON Semiconductor) - 6

FabricanteON Semiconductor
DescripciónProgrammable Precision References
Páginas / Página23 / 6 — TL431A, B Series, NCV431A, B Series, SCV431A. Figure 8. Change in …
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TL431A, B Series, NCV431A, B Series, SCV431A. Figure 8. Change in Reference Input. Figure 9. Off-State Cathode Current

TL431A, B Series, NCV431A, B Series, SCV431A Figure 8 Change in Reference Input Figure 9 Off-State Cathode Current

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TL431A, B Series, NCV431A, B Series, SCV431A
0 1.0 k (nA) IK = 10 mA TA = 25°C 100 TAGE (mV) -8.0 VOL 10 -16 Input V THODE CURRENT V KA KA = 36 V I 1.0 Vref = 0 V R1 K Input V TE CA KA A Ioff -24 R2 Vref 0.1 , REFERENCE INPUT refV , OFF-ST f Δ I of -32 0.01 0 10 20 30 40 -55 -25 0 25 50 75 100 125 V T KA, CATHODE VOLTAGE (V) A, AMBIENT TEMPERATURE (5C)
Figure 8. Change in Reference Input Figure 9. Off-State Cathode Current Voltage versus Cathode Voltage versus Ambient Temperature
100 0.320 1.0 k TA = 25°C ) V Output KA = Vref D I Ω K = 1.0 mA to 100 mA Ω 0.300 I D I K K = 1.0 mA to 100 mA 50 f ≤ 1.0 kHz +- Output 10 GND 0.280 1.0k IK 50 + 0.260 - GND 1.0 0.240 |, DYNAMIC IMPEDANCE ( |, DYNAMIC IMPEDANCE ( KA KA 0.220 |Z |Z 0.1 0.200 1.0 k 10 k 100 k 1.0 M 10 M -55 -25 0 25 50 75 100 125 f, FREQUENCY (MHz) TA, AMBIENT TEMPERATURE (°C)
Figure 10. Dynamic Impedance Figure 11. Dynamic Impedance versus Frequency versus Ambient Temperature
60 80 Output I 50 K 9.0 mF 15k 230 40 √Hz) 60 8.25k TAGE GAIN (dB) GND 30 VOL 40 VKA = Vref TAGE (nV/ I 20 K = 10 mA TA = 25°C Input Output 10 IK = 10 mA 20 T I A = 25°C NOISE VOL K , OPEN LOOP 0 VOLA -10 0 1.0 k 10 k 100 k 1.0 M 10 M 10 100 1.0 k 10 k 100 k f, FREQUENCY (MHz) f, FREQUENCY (Hz)
Figure 12. Open-Loop Voltage Gain Figure 13. Spectral Noise Density versus Frequency www.onsemi.com Share Feedback 6
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