ISL23448TFRZ datasheet(8/21 Pages) INTERSIL

Nome de Peças	ISL23448TFRZ

Descrição Electrónicos	Quad, 128 Tap, Low Voltage Digitally Controlled Potentiometer (XDCP??

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Fabricante Electrônico	INTERSIL [Intersil Corporation]

Página de início	http://www.intersil.com/cda/home

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ISL23448

8

FN7905.0

August 19, 2011

DCP Macro Model

tFO

SDO Output Fall Time

Rpu = 1.5k, Cbus = 30pF

60

ns

tCS

CS Deselect Time

2µs

NOTES:

8. Typical values are for TA = +25°C and 3.3V supply voltages.

9. 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.

10. ZS error = V(RW)0/LSB.

11. FS error = [V(RW)127 – VCC]/LSB.

12. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 127. i is the DCP register setting.

13. INL = [V(RW)i – i • LSB – V(RW)0]/LSB for i = 1 to 127

14.

for i = 8 to 127 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 = |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.

16. Roffset = RW0/MI, when measuring between RW and RL.

Roffset = RW127/MI, when measuring between RW and RH.

17. RDNL = (RWi – RWi-1)/MI -1, for i = 8 to 127.

18. RINL = [RWi – (MI • i) – RW0]/MI, for i = 8 to 127.

19.

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.

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 127, x = 0 to 3 and y = 0 to 3.

23. RMATCH = (RWi,x - RWi,y)/MI, for i = 1 to 127, x = 0 to 3 and y = 0 to 3.

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

---------------------

×

=

32pF

RH

RTOTAL

CH

32pF

CW

CL

32pF

RW

RL

Nº de peça semelhante - ISL23448TFRZ

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Renesas Technology Corp	ISL23448TFRZ	1Mb / 21P	Quad, 128 Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™) August 19, 2011

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