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ISL22446 数据表(PDF) 6 Page - Intersil Corporation |
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ISL22446 数据表(HTML) 6 Page - Intersil Corporation |
6 / 15 page 6 FN6181.2 September 9, 2009 tHO SDO Output Hold Time 0 ns tRO SDO Output Rise Time Rpu = 2k, Cb = 30pF 60 ns tFO SDO Output Fall Time Rpu = 2k, Cb = 30pF 60 ns tCS CS Deselect Time 2µs 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)]/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. MI is a minimum increment. 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 the end of a Write sequence of SPI serial interface, to the end of the self-timed internal non-volatile write cycle. 20. Rpu is specified for the highest data rate transfer for the device. Higher value pullup can be used at lower data rates. 21. Limits should be considered typical and are not production tested. 22. 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 22) TYP (Note 5) MAX (Note 22) 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 --------------------- × = ISL22446 |
类似零件编号 - ISL22446 |
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类似说明 - ISL22446 |
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