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.
θ
JC
is for the location in the center of the exposed metal pad on the package underside.
Potentiometer Specifications
Over recommended operating conditions, unless otherwise specified.
SYMBOL
R
TOTAL
PARAMETER
RH to RL Resistance
W option
U option
RH to RL 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
-2
-1
0.1
0.1
-0.1
-0.1
±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
-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
@ RH; measured at RW unloaded)
Integral Non-Linearity
Differential Non-Linearity
Zero-Scale Error
1
0.5
2
1
0
0
LSB
(Note 6)
LSB
(Note 6)
LSB
(Note 6)
LSB
(Note 6)
ppm/°C
kHz
kHz
RESISTOR MODE (Measurements between RW and RL with RH not connected, or between RW and RH with RL 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
RDNL
(Note 14)
Differential Non-Linearity
W and U option
-1.5
-1
-0.5
1.5
1
0.5
MI
(Note 12)
MI
(Note 12)
MI
(Note 12)
FN6678.1
July 16, 2009
4
ISL22511
Potentiometer Specifications
Over recommended operating conditions, unless otherwise specified.
(Continued)
SYMBOL
Roffset
(Note 13)
Offset
PARAMETER
W option
U option
TEST CONDITIONS
MIN
(Note 18)
0
0
TYP
(Note 5)
1
0.5
MAX
(Note 18)
2
1
UNIT
MI
(Note 12)
MI
(Note 12)
DC Electrical Specifications
SYMBOL
I
CC
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.
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