ISL90810WIU8(2005) 데이터 시트보기 (PDF) - Intersil

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ISL90810WIU8
(Rev.:2005)

Low Noise/Low Power/I2C Bus/256 Taps

Intersil 

ISL90810

SDA vs SCL Timing

SCL

tSU:STA

SDA

(INPUT TIMING)

SDA

(OUTPUT TIMING)

tF

tHIGH

tSU:DAT

tHD:STA

tLOW

tHD:DAT

tR

tAA

tDH

tSU:STO

tBUF

NOTES:

1. Typical values are for TA = 25°C and 3.3V supply voltage.

2. 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.

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

4. FS error = [V(RW)255 – VCC]/LSB.

5. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 255. i is the DCP register setting.

6. INL = (V(RW)i – i • LSB – V(RW)0)/LSB, for i = 1 to 255.

7.

TCV

=

-------M-----a----x----(--V----(---R-----W------)--i--)---–-----M-----i--n----(--V-----(--R-----W------)--i--)------ × ----1----0---6-----

[Max(V(RW)i) + Min(V(RW)i)] ⁄ 2 125°C

for i = 16 to 240 decimal, T = -40°C to 85°C. Max( ) is the maximum value of the wiper

voltage and Min ( ) is the minimum value of the wiper voltage over the temperature range.

8. MI = |R255 – R0|/255. R255 and R0 are the measured resistances for the DCP register set to FF hex and 00 hex respectively.

Roffset = R0/MI, when measuring between RW and RL.

9. Roffset = R255/MI, when measuring between RW and RH.

10. RDNL = (Ri – Ri-1)/MI, for i = 32 to 255.

11. RINL = [Ri – (MI • i) – R0]/MI, for i = 32 to 255.

12.

TCR

=

----[---M-----a----x----(--R-----i--)---–-----M-----i--n----(--R-----i--)--]---- × ----1----0---6-----

[Max(Ri) + Min(Ri)] ⁄ 2 125°C

for i = 32 to 255, T = -40°C to 85°C. Max( ) is the maximum value of the resistance and Min ( ) is the

minimum value of the resistance over the temperature range.

13. This parameter is not 100% tested.

Equivalent Circuitry

RTOTAL

RH

RL

CL

CH

CW 10pF

10pF

25pF

RW

5

FN8234.1

October 13, 2005

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