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ISL23425TFRUZ-T7A Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL23425TFRUZ-T7A Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 20 page ISL23425 7 FN7873.0 June 20, 2011 VOL SDO Output Buffer LOW Voltage IOL = 3mA, VLOGIC > 2V 0 0.4 V IOL = 1.5mA, VLOGIC < 2V 0.2 x VLOGIC V Rpu SDO Pull-Up Resistor Off-Chip Maximum is determined by tRO and tFO with maximum bus load Cb = 30pF, fSCK =5MHz 1.5 kΩ Cpin SCK, SDO, SDI, CS Pin Capacitance 10 pF fSCK SCK Frequency VLOGIC = 1.7V to 5.5V 5 MHz VLOGIC = 1.2V to 1.6V 1 MHz tCYC SPI Clock Cycle Time VLOGIC ≥ 1.7V 200 ns tWH SPI Clock High Time VLOGIC ≥ 1.7V 100 ns tWL SPI Clock Low Time VLOGIC ≥ 1.7V 100 ns tLEAD Lead Time VLOGIC ≥ 1.7V 250 ns tLAG Lag Time VLOGIC ≥ 1.7V 250 ns tSU SDI, SCK and CS Input Setup Time VLOGIC ≥ 1.7V 50 ns tH SDI, SCK and CS Input Hold Time VLOGIC ≥ 1.7V 50 ns tRI SDI, SCK and CS Input Rise Time VLOGIC ≥ 1.7V 10 ns tFI SDI, SCK and CS Input Fall Time VLOGIC ≥ 1.7V 10 20 ns tDIS SDO Output Disable Time VLOGIC ≥ 1.7V 0 100 ns tSO SDO Output Setup Time VLOGIC ≥ 1.7V 50 ns tV SDO Output Valid Time VLOGIC ≥ 1.7V 150 ns tHO SDO Output Hold Time VLOGIC ≥ 1.7V 0 ns 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: 8. Typical values are for TA = +25°C and 3.3V supply voltages. 9. LSB = [V(RW)255 – V(RW)0]/255. V(RW)255 and V(RW)0 are V(RW) for the DCP register set to FF hex and 00 hex respectively. LSB is the incremental voltage when changing from one tap to an adjacent tap. 10. ZS error = V(RW)0/LSB. 11. FS error = [V(RW)255 – VCC]/LSB. 12. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 255. i is the DCP register setting. 13. INL = [V(RW)i – i • LSB – V(RW)0]/LSB for i = 1 to 255 14. for i = 16 to 255 decimal, 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. 15. MI = |RW255 – RW0|/255. MI is a minimum increment. RW255 and RW0 are the measured resistances for the DCP register set to FF hex and 00 hex respectively. 16. Roffset = RW0/MI, when measuring between RW and RL. Roffset = RW255/MI, when measuring between RW and RH. 17. RDNL = (RWi – RWi-1)/MI -1, for i = 16 to 255. 18. RINL = [RWi – (MI • i) – RW0]/MI, for i = 16 to 255. 19. for i = 16 to 255, 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. 20. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design. 21. 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. 22. VMATCH = [V(RWx)i - V(RWy)i]/LSB, for i = 1 to 255, x = 0 to 1 and y = 0 to 1. 23. RMATCH = (RWi,x - RWi,y)/MI, for i = 1 to 255 , 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 20) TYP (Note 8) MAX (Note 20) 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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