ISL22317UFRTZ Intersil, ISL22317UFRTZ Datasheet - Page 6

• Manufacturer Part Number: ISL22317UFRTZ
• Description: IC POT DGTL 128TP LN LP 10-TDFN
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of ISL22317UFRTZ

• Taps: 128
• Resistance (ohms): 50K
• Number Of Circuits: 1
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-TDFN Exposed Pad
• Resistance In Ohms: 50K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Temperature Coefficient: -

Operating Specifications
NOTES:
10. FS
12. INL = [V(RW)
13.
14. MI =
15. R
16. R
17. R
18.
19. Limits should be considered typical and are not production tested.
20. In rheostat mode, if a current is injected into the RW terminal, the magnitude of the current should be such that the developed potential difference
21. t
22. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by
11. DNL = [V(RW)
SDA vs SCL Timing
7. Typical values are for T
8. LSB: [V(R
9. ZS
SYMBOL
(Note 19)
(Note 19)
(Note 19)
(Note 19)
t
t
incremental voltage when changing from one tap to an adjacent tap.
00 hex respectively.
between RW and RL terminals is at least 300mV, even at the minimum wiper setting. This ensures that the recommended operating condition
of V(RW) ≥ V(RL) + 0.3V is satisfied and the part operates in its most accurate resistance. Minimum and Maximum wiper setting can be
calculated as follow, MIN code = (0.3V*127)/(Iw*Rtotal), Max code = [(V
write cycle.
characterization and are not production tested.
TC
TC
Rpu
SU:A
HD:A
WC
(OUTPUT TIMING)
Cb
t
OFFSET
DNL
INL
t
(INPUT TIMING)
R
F
ERROR
error
V
R
is the time from a valid STOP condition at the end of a Write sequence of I
|
= [RW
RW
=
=
= (RW
= [V(RW)
--------------------------------------------------------------------------------------------- -
[
--------------------------------------------------------------- -
[
Max V RW
127
Max Ri
W
= RW
[
SDA and SCL Rise Time
SDA and SCL Fall Time
Capacitive Loading of SDA or SCL
SDA and SCL Bus Pull-up Resistor
Off-chip
A1 Setup Time
A1 Hold Time
Max V RW
= V(RW)
Max Ri
i
)
SDA
127
SCL
i
– (MI • i) – RW
i
– RW
– RW
SDA
(
i
(
– i • LSB – V(RW)
– V(RW)
(
0
(
– V(R
t
(
127
/
SU:STA
MI, when measuring between RW and RL.
)
(
0
+
) Min Ri
0
i-1
|
/
–
/
Min Ri
LSB.
– V
127. MI is a minimum increment. RW
)
)
W
/
PARAMETER
i
MI -1, for i = 1 to 127.
A
)
)
i
i-1
)
CC
+
) Min V RW
0
= +25°C and 3.3V supply voltage.
(
–
]
Min V RW
]
(
/
/
127. V(R
]
LSB-1, for i = 1 to 127, where i is the DCP register setting.
0
/
LSB.
)
]
/
] 2 ⁄
6
MI, for i = 1 to 127.
)
(
]
Over the recommended operating conditions unless otherwise specified. (Continued)
(
t
0
(
HD:STA
×
]/LSB for i = 1 to 127
(
+
---------------- -
165°C
W
10
)
)
127
i
t
)
6
)
F
i
] 2 ⁄
)
and V(R
for i = 15 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.
t
SU:DAT
×
+
---------------- -
165°C
10
From 30% to 70% of V
From 70% to 30% of V
Total on-chip and off-chip
Maximum is determined by t
For Cb = 400pF, max is about 2kΩ ~ 2.5kΩ
For Cb = 40pF, max is about 15kΩ ~ 20kΩ
Before START condition
After STOP condition
6
W
)
for i = 15 to 127 decimal, T = -40°C to +125°C. Max( ) is the maximum value of the wiper
0
voltage and Min ( ) is the minimum value of the wiper voltage over the temperature range.
are V(R
t
HIGH
127
ISL22317
TEST CONDITIONS
and RW
W
) for the DCP register set to 7F hex and 00 hex respectively. LSB is the
t
LOW
0
CC
are the measured resistances for the DCP register set to 7F hex and
t
CC
CC
HD:DAT
- 0.3V)*127]/(I
2
C serial interface, to the end of the self-timed internal non-volatile
R
and t
F
t
R
W
*R
t
AA
TOTAL
(Note 22)
0.1*Cb
0.1*Cb
t
20 +
20 +
MIN
600
600
DH
).
10
1
t
sp
(Note 7)
TYP
t
BUF
(Note 22)
MAX
t
250
250
400
SU:STO
April 15, 2010
UNIT
FN6912.1
pF
kΩ
ns
ns
ns
ns