ISL23415TFUZ datasheet(8/20 Pages) INTERSIL

部件名	ISL23415TFUZ

功能描述	Single, Low Voltage Digitally Controlled Potentiometer

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制造商	INTERSIL [Intersil Corporation]

网页	http://www.intersil.com/cda/home

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ISL23415

8

FN7780.2

September 14, 2015

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DCP Macro Model

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.

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

Timing Diagrams

Input Timing

...

CS

SCK

SDI

SDO

MSB

LSB

tLEAD

tH

tSU

tFI

tCS

tLAG

tCYC

tWL

...

tRI

tWH

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