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ISL23428UFVZ-T7A bảng dữ liệu(PDF) 8 Page - Intersil Corporation |
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8 / 21 page ISL23428 8 FN7904.0 August 25, 2011 tRO SDO Output Rise Time Rpu = 1.5k, Cbus = 30pF 60 ns tFO SDO Output Fall Time Rpu = 1.5k, Cbus = 30pF 60 ns tCS CS Deselect Time 2 µs NOTES: 7. Typical values are for TA = +25°C and 3.3V supply voltages. 8. LSB = [V(RW)127 – V(RW)0]/127. V(RW)127 and V(RW)0 are V(RW) for the DCP register set to 7F hex and 00 hex respectively. LSB is the incremental voltage when changing from one tap to an adjacent tap. 9. ZS error = V(RW)0/LSB. 10. FS error = [V(RW)127 – VCC]/LSB. 11. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 127. i is the DCP register setting. 12. INL = [V(RW)i – i • LSB – V(RW)0]/LSB for i = 1 to 127 13. for i = 8 to 127decimal, T = -40°C to +125°C. Max( ) is the maximum value of the wiper voltage and Min( ) is the minimum value of the wiper voltage over the temperature range. 14. MI = |RW127 – RW0|/127. MI is a minimum increment. RW127 and RW0 are the measured resistances for the DCP register set to 7F hex and 00 hex respectively. 15. Roffset = RW0/MI, when measuring between RW and RL. Roffset = RW127/MI, when measuring between RW and RH. 16. RDNL = (RWi – RWi-1)/MI -1, for i = 8 to 127. 17. RINL = [RWi – (MI • i) – RW0]/MI, for i = 8 to 127. 18. for i = 8 to 127, T = -40°C to +125°C. Max( ) is the maximum value of the resistance and Min( ) is the minimum value of the resistance over the temperature range. 19. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design. 20. It is preferable to ramp up both the VLOGIC and the VCC supplies at the same time. If this is not possible it is recommended to ramp-up the VLOGIC first followed by the VCC. 21. VMATCH = [V(RWx)i - V(RWy)i]/LSB, for i = 1 to 127, x = 0 to 1 and y = 0 to 1. 22. RMATCH = (RWi,x - RWi,y)/MI, for i = 1 to 127, x = 0 to 1 and y = 0 to 1. Serial Interface Specification For SCK, SDI, SDO, CS Unless Otherwise Noted. (Continued) SYMBOL PARAMETER TEST CONDITIONS MIN (Note 19) TYP (Note 7) MAX (Note 19) UNITS TCV Max V RW i Min V RW i – VRWi +25°C ------------------------------------------------------------------------------ 106 +165°C --------------------- = TCR Max Ri Min Ri – Ri +25°C ------------------------------------------------------- 10 6 +165°C --------------------- = |
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