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TLE4923 bảng dữ liệu(PDF) 7 Page - Siemens Semiconductor Group |
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TLE4923 bảng dữ liệu(HTML) 7 Page - Siemens Semiconductor Group |
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7 / 18 page ![]() TLE 4923 Semiconductor Group 7 1998-04-29 Note: The listed characteristics are ensured over the operating range of the integrated circuit. Typical characteristics specify mean values expected over the production spread. If not otherwise specified, typical characteristics apply at T j = 25 °C and the given supply voltage. 1) For ∆B values larger than ± 10 mT this value may exceed the limits as follows: | ∆B m | < | 0.05 × ∆B | 2) Leakage currents at pin 3 should be avoided. The bias shift of B m caused by a leakage current IL can be calculated by: . See also the typical curves on page 17. 3) Differential pre-induction (e.g. by magnetic misalignment) has to be smaller than 20 mT. 4) For definition see Figure 6. 5) Depends on filter capacitor C F. The cut-off frequency is given as . The switching points are guaranteed over the whole frequency range, but amplitude modification and phase shift have to be taken into account due to the 1 st order highpass filter. 6) For definition see Figure 7. 7) For definition see Figure 5. Power Supply Rejection Ratio (PSRR) V PSRR 10 V V S modulated with V PSRR, f PSRR =10 kHz, t r,fPSRR =1 µs, ∆B =0, only 1 transition may occur 2 7) AC/DC Characteristics (cont’d) The device characteristics listed below are guaranteed in the full operating range. Parameter Symbol Limit Values Unit Test Condition Test Circuit min. typ. max. ∆B m I L R C T () × S C T () --------------------- = f 1 2 π × R C × C F × ---------------------------------------- = |
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