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
RH to RL Resistance Tolerance
End-to-End Temperature Coefficient
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
RINL
(Note 15)
RDNL
(Note 14)
Roffset
(Note 13)
Wiper Resistance
V
RH
and V
RL
Terminal Voltages
Noise on Wiper Terminal
Potentiometer Capacitance
Leakage on DCP Pins
Integral Non-Linearity
Differential Non-Linearity
Zero-scale Error
Full-scale Error
Ratiometric Temperature Coefficient Wiper from 5 hex to 1F hex
3dB Cut-Off Frequency
Integral Non-Linearity
Differential Non-Linearity
Offset
Wiper at the middle scale
DCP register set between 1 hex and 1F hex;
monotonic over all tap positions
-1.5
-0.5
0
1
Monotonic over all tap positions
Voltage at pin from GND to V
CC
-1
-0.5
0
-2
0.1
-0.1
±25
500
1.5
0.5
2
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
1
0.5
2
0
-20
±80
130
400
V
CC
TEST CONDITIONS
MIN
(Note 18)
TYP
(Note 5)
10
+20
MAX
(Note 18)
UNIT
kΩ
%
ppm/°C
(Note 16)
Ω
V
dBV
pF
µA
LSB
(Note 6)
LSB
(Note 6)
LSB
(Note 6)
LSB
(Note 6)
ppm/°C
kHz
MI
(Note 12)
MI
(Note 12)
MI
(Note 12)
VOLTAGE DIVIDER MODE (0V @ R
L
; V
CC
@ RH; measured at RW unloaded)
RESISTOR MODE (Measurements between RW and RL with RH not connected, or between RW and RH with RL not connected)
3
FN6679.2
October 27, 2011
ISL22512
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.
PARAMETER
V
CC
Active Current
V
CC
Current During Store Operation
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
V
CC
= 3.3V, T
A
= +25°C, f = 1MHz
10
1
V
IN
= V
SS
to V
CC
-2
V
CC
x 0.7
V
CC
x 0.1
TEST CONDITIONS
V
CC
= 5.5V, perform wiper move
operation
V
CC
= 5.5V, perform non-volatile
store operation
0.6
MIN
(Note 18)
TYP
(Note 5)
MAX
(Note 18)
150
2
3
+2
UNIT
µA
mA
µA
µA
V
V
pF
MΩ
EEPROM SPECIFICATIONS
EEPROM Endurance
EEPROM Retention
AC Electrical Specifications
SYMBOL
t
GAP
t
DB
t
S SLOW
t
S FAST
t
stdn
(Note 17)
t
PU
t
R
VCC
NOTES:
5. Typical values are for T
A
= +25°C and 3.3V supply voltage.
6. LSB: [V(RW)
15
– V(RW)
0
]/15. V(RW)
31
and V(RW)
0
are voltage on RW pin for the DCP register set to 0F 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 15; i is the DCP register setting.
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