ISL90840UI27Z Ver la hoja de datos (PDF) - Intersil
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ISL90840UI27Z Datasheet PDF : 13 Pages
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ISL90840
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
TYP
MIN (NOTE 4) MAX
UNIT
tSU:STO STOP condition setup time
From SCL rising edge crossing 70% of VCC, 600
ns
to SDA rising edge crossing 30% of VCC
tHD:STO STOP condition hod time for read, or From SDA rising edge to SCL falling edge;
600
ns
volatile only write
both crossing 70% of VCC
tDH
Output data hold time
From SCL falling edge crossing 30% of VCC,
0
ns
(Note 18)
until SDA enters the 30% to 70% of VCC
window
tR
SDA and SCL rise time
(Note 18)
From 30% to 70% of VCC
20 +
0.1 * Cb
250
ns
tF
SDA and SCL fall time
(Note 18)
From 70% to 30% of VCC
20 +
0.1 * Cb
250
ns
Cb
Capacitive loading of SDA or SCL
(Note 18)
Total on-chip and off-chip
10
400
pF
Rpu
SDA and SCL bus pull-up resistor off- Maximum is determined by tR and tF
1
kΩ
(Note 18) chip
For Cb = 400pF, max is about 2~2.5kΩ.
For Cb = 40pF, max is about 15~20kΩ
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:
4. Typical values are for TA = 25°C and 3.3V supply voltage.
5. 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.
6. ZS error = V(RW)0/LSB.
7. FS error = [V(RW)255 – VCC]/LSB.
8. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 255. i is the DCP register setting.
9. INL = [V(RW)i – i • LSB – V(RW)]/LSB for i = 1 to 255.
10. VMATCH = [V(RWx)i – V(RWy)i]/LSB, for i = 0 to 255, x = 0 to 3 and y = 0 to 3.
11.
TCV
=
-------M-----a----x----(--V----(---R-----W------)--i--)---–-----M-----i--n----(--V-----(--R-----W------)--i--)------ × ----1---0----6----- for i = 16 to 240 decimal, T = -40°C to +105°C. Max( ) is the maximum value of the wiper
[Max(V(RW)i) + Min(V(RW)i)] ⁄ 2 145°C voltage and Min ( ) is the minimum value of the wiper voltage over the temperature range.
12. MI = |R255 – R0|/255. R255 and R0 are the measured resistances for the DCP register set to FF hex and 00 hex respectively.
13. Roffset = R0/MI, when measuring between RW and RL.
Roffset = R255/MI, when measuring between RW and RH.
14. RDNL = (Ri – Ri-1)/MI-1, for i = 32 to 255.
15. RINL = [Ri – (MI • i) – R0]/MI, for i = 32 to 255.
16. RMATCH = (Ri,x – Ri,y)/MI, for i = 0 to 255, x = 0 to 3 and y = 0 to 3.
17.
TCR
=
----[---M-----a----x----(--R-----i--)---–-----M-----i--n----(--R-----i--)--]---- × ----1---0----6-----
[Max(Ri) + Min(Ri)] ⁄ 2 145°C
for i = 32 to 255, T = -40°C to +105°C. Max( ) is the maximum value of the resistance and Min ( ) is
the minimum value of the resistance over the temperature range.
18. This parameter is not 100% tested
6
FN8086.2
November 14, 2006
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