CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
3.
θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
4. For
θ
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Potentiometer Specifications
Over recommended operating conditions, unless otherwise specified.
SYMBOL
R
TOTAL
PARAMETER
R
H
to R
L
Resistance
R
H
to R
L
Resistance Tolerance
End-to-End Temperature Coefficient W option
U option
R
W
V
RH
, V
RL
C
H
/C
L
/C
W
(Note 17)
I
LkgDCP
INL
(Note 10)
DNL
(Note 9)
ZSerror
(Note 7)
FSerror
(Note 8)
TC
V
(Note 11)
f
CUTOFF
Wiper Resistance
V
RH
and V
RL
Terminal Voltages
Noise on Wiper Terminal
Potentiometer Capacitance
Leakage on DCP Pins
Voltage at pin from GND to V
CC
-1
Monotonic over all tap positions
W option
U option
Full-scale Error
W option
U option
Ratiometric Temperature Coefficient Wiper from 5 hex to 1F hex for W and U
option
3dB Cut-Off Frequency
Wiper at the middle scale, W option
Wiper at the middle scale, U option
-0.5
0
0
-3
-1
0.3
0.3
-0.3
-0.3
±25
500
75
V
CC
= 3.3V, wiper current I
RW
= V
CC
/R
TOTAL
V
RH
and V
RL
to GND
From 0Hz to 10MHz
0
-80
10/10/25
0.05
0.4
W option
U option
-20
±80
±125
130
400
V
CC
TEST CONDITIONS
MIN
(Note 18)
TYP
(Note 5)
10
50
+20
MAX
(Note 18)
UNIT
kΩ
kΩ
%
ppm/°C
(Note 16)
ppm/°C
(Note 16)
Ω
V
dBV
pF
µA
VOLTAGE DIVIDER MODE (0V @ R
L
; V
CC
@ R
H
; measured at R
W
unloaded)
Integral Non-linearity
Differential Non-linearity
Zero-scale Error
1
0.5
3
1
0
0
LSB
(Note 6)
LSB
(Note 6)
LSB
(Note 6)
LSB
(Note 6)
ppm/°C
kHz
kHz
RESISTOR MODE (Measurements between R
W
and R
L
with R
H
not connected, or between R
W
and R
H
with R
L
not connected)
RINL
(Note 15)
Integral Non-linearity
DCP register set between 1 hex and 1F hex;
monotonic over all tap positions; W option
DCP register set between 1 hex and 1F hex;
monotonic over all tap positions; U option
-1.5
-1
1.5
1
MI
(Note 12)
MI
(Note 12)
3
FN6588.1
January 21, 2008
ISL23511
Potentiometer Specifications
Over recommended operating conditions, unless otherwise specified.
(Continued)
SYMBOL
RDNL
(Note 14)
Roffset
(Note 13)
PARAMETER
Differential Non-linearity
Offset
TEST CONDITIONS
W and U option
W option
U option
MIN
(Note 18)
-0.5
0
0
1
0.5
TYP
(Note 5)
MAX
(Note 18)
0.5
3
1
UNIT
MI
(Note 12)
MI
(Note 12)
MI
(Note 12)
DC Electrical Specifications
SYMBOL
I
CC
I
SB
I
Lkg
V
IH
V
IL
C
IN
(Note 17)
Rpull_up
(Note 17)
Over recommended operating conditions unless otherwise specified.
TEST CONDITIONS
V
CC
= 5.5V, perform wiper move
operation
0.6
V
IN
= V
SS
to V
CC
-2
V
CC
x 0.7
V
CC
x 0.1
V
CC
= 3.3V, T
A
= +25°C, f = 1MHz
10
1
MIN
(Note 18)
TYP
(Note 5)
MAX
(Note 18)
150
3
+2
UNIT
µA
µA
µA
V
V
pF
MΩ
PARAMETER
V
CC
Active Current
Standby Current
PU, PD Input Leakage Current
PU, PD Input HIGH Voltage
PU, PD input LOW Voltage
PU, PD Input Capacitance
Pull-up Resistor for PU and PD
AC Electrical Specifications
SYMBOL
t
GAP
t
DB
t
S SLOW
t
S FAST
t
stdn
(Note 17)
t
R
VCC
NOTES:
Over recommended operating conditions unless otherwise specified.
MIN
(Note 18)
2
15
100
25
250
50
2
0.2
50
30
375
75
TYP
(Note 5)
MAX
(Note 18)
UNIT
ms
ms
ms
ms
s
V/ms
PARAMETER
Time Between Two Separate Push Button Events
Debounce Time
Wiper Change on a Slow Mode
Wiper Change on a Fast Mode
Time to Enter Shutdown Mode (keep PU and PD LOW)
V
CC
Power-up Rate
5. Typical values are for T
A
= +25°C and 3.3V supply voltage.
6. LSB: [V(RW)
31
– V(RW)
0
]/31. V(RW)
31
and V(RW)
0
are voltage on RW pin for the DCP register set to 1F hex and 00 hex respectively. LSB is
the incremental voltage when changing from one tap to an adjacent tap.
7. ZS error = V(RW)
0
/LSB.
8. FS error = [V(RW)
31
– V
CC
]/LSB.
9. DNL = [V(RW)
i
– V(RW)
i-1
]/LSB -1, for i = 1 to 31; i is the DCP register setting.
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