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ISL22346WFRT20Z Scheda tecnica(PDF) 7 Page - Intersil Corporation |
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ISL22346WFRT20Z Scheda tecnica(HTML) 7 Page - Intersil Corporation |
7 / 16 page 7 FN6177.2 September 3, 2009 tF SDA and SCL Fall Time From 70% to 30% of VCC 20 + 0.1*Cb 250 ns Cb Capacitive Loading of SDA or SCL Total on-chip and off-chip 10 400 pF Rpu SDA and SCL Bus Pull-up Resistor Off-chip Maximum is determined by tR and tF For Cb = 400pF, max is about 2k Ω~2.5kΩ For Cb = 40pF, max is about 15k Ω~20kΩ 1k Ω tSU:A A2, A1 and A0 Setup Time Before START condition 600 ns tHD:A A2, A1 and A0 Hold Time After STOP condition 600 ns NOTES: 5. Typical values are for TA = +25°C and 3.3V supply voltage. 6. 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. 7. ZS error = V(RW)0/LSB. 8. FS error = [V(RW)127 – VCC]/LSB. 9. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 127. i is the DCP register setting. 10. INL = [V(RW)i – i • LSB – V(RW)0]/LSB for i = 1 to 127. 11. VMATCH = [V(RWx)i – V(RWy)i]/LSB, for i = 1 to 127, x = 0 to 3 and y = 0 to 3. 12. for i = 16 to 112 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. 13. MI = |RW127 – RW0|/127. RW127 and RW0 are the measured resistances for the DCP register set to 7F hex and 00 hex respectively. 14. Roffset = RW0/MI, when measuring between RW and RL. Roffset = RW127/MI, when measuring between RW and RH. 15. RDNL = (RWi – RWi-1)/MI - 1, for i = 16 to 127. 16. RINL = [RWi – (MI • i) – RW0]/MI, for i = 16 to 127. 17. RMATCH = (RWi,x – RWi,y)/MI, for i = 1 to 127, x = 0 to 3 and y = 0 to 3. 18. for i = 16 to 112, 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. tWC is the time from a valid STOP condition at the end of a Write sequence of I 2C serial interface, to the end of the self-timed internal non-volatile write cycle. 20. Limits should be considered typical and are not production tested. 21. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. Operating Specifications Over the recommended operating conditions, unless otherwise specified. (Continued) SYMBOL PARAMETER TEST CONDITIONS MIN (Note 21) TYP (Note 5) MAX (Note 21) UNIT TC V Max V RW () i () Min V RW () i () – Max V RW () i () Min V RW () i () + [] 2 ⁄ ---------------------------------------------------------------------------------------------- 106 +165°C --------------------- × = TC R Max Ri () Min Ri () – [] Max Ri () Min Ri () + [] 2 ⁄ ---------------------------------------------------------------- 10 6 +165°C --------------------- × = ISL22346 |
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