Datasheet TS3431 (STMicroelectronics) - 5

ManufacturerSTMicroelectronics
Description1.24 V programmable shunt voltage reference
Pages / Page13 / 5 — TS3431. Electrical characteristics. 3 Electrical. characteristics. Table …
File Format / SizePDF / 167 Kb
Document LanguageEnglish

TS3431. Electrical characteristics. 3 Electrical. characteristics. Table 3. Tamb = 25°C (unless otherwise specified) (1). Symbol

TS3431 Electrical characteristics 3 Electrical characteristics Table 3 Tamb = 25°C (unless otherwise specified) (1) Symbol

Text Version of Document

TS3431 Electrical characteristics 3 Electrical characteristics Table 3. Tamb = 25°C (unless otherwise specified) (1) Symbol Parameter Test conditions Min. Typ. Max. Unit
TS3431 (2%) 1.215 1.265 Reference input voltage I TS3431A (1%) 1.228 1.252 V K = 10 mA, K 1.24 V Vka = Vref TS3431B (0.5%) 1.234 1.246 TS3431C (0.25%) 1.237 1.243 0°C < T < +70°C 10 Δ Variation of reference input voltage VK -40°C < T < +105°C 18 mV over temperature, Vka = Vref -40°C < T < +125°C 21 TC Temperature coefficient -40°C < T < +125°C 100 ppm/°C T = 25°C 0.35 0.4 IKmin Minimum operating current mA -40°C < T < +125°C 0.5 Ratio of change in reference input IK=10mA 1.2 1.5 ΔVref -------- voltage to change in cathode to anode VK= 24 to 1.24V mV/V ΔVka voltage -40°C < T < +125°C 2 Reference input current T= 25°C 0.9 1.5 IREF µA IK=10mA, R1=10KΩ, R2=+∞ -40°C < T < +125°C 2 0°C < T < +70°C 0.5 1 Δ Reference input current deviation IREF µA IK=10mA, R1=10KΩ, R2=+ -40°C < T < +125°C 0.9 1.5 T= 25°C 35 500 IOFF Off-state cathode current VK=24V -40°C < T < +105°C 1000 nA -40°C < T < +125°C 2000 RKA Reverse static impedance IK = 1 to 100mA 0.2 0.4 W I E K = 10mA N Wideband noise 100 nV/√ Hz 1kHz < f < 100kHz 1. Limits are 100% production tested at 25°C. Behavior at the temperature range limits is guaranteed through correlation and by design. Doc ID 10174 Rev 4 5/13 Document Outline 1 Block diagram Figure 1. Block diagram 2 Absolute maximum ratings Table 1. Absolute maximum ratings (AMR) Table 2. Operating conditions 3 Electrical characteristics Table 3. Tamb = 25˚C (unless otherwise specified) Figure 2. Reference voltage vs. temperature Figure 3. Test circuit for VK = Vref Figure 4. Cathode voltage vs. cathode current Figure 5. Minimum operating current vs. temperature Figure 6. Reference input current vs. temperature Figure 7. Dynamic impedance vs frequency Figure 8. Off-state current vs temperature Figure 9. Test circuit for off-state current measurement Figure 10. Ratio of change in reference input voltage to change in VKA voltage vs. temperature Figure 11. Test circuit for VK > VREF Figure 12. Pulse response at IK=1mA Figure 13. Test circuit for pulse response at IK = 1mA Figure 14. Pulse response at IK = 10mA Figure 15. Test circuit for pulse response at IK = 10mA Figure 16. Phase and gain vs frequency Figure 17. Equivalent input noise vs. frequency Figure 18. Test circuit for phase and gain measurement 4 Package mechanical data Table 4. SOT23-3L package mechanical data 5 Ordering information Table 5. Order codes 6 Revision history Table 6. Document revision history