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ISL23328 Datasheet, PDF (5/20 Pages) Intersil Corporation – Dual, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™)
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ISL23328
Analog Specifications VCC = 2.7V to 5.5V, VLOGIC = 1.2V to 5.5V over recommended operating conditions unless otherwise stated.
Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 19)
TYP
(Note 7)
MAX
(Note 19)
UNITS
VOLTAGE DIVIDER MODE (0V @ RL; VCC @ RH; measured at RW, unloaded)
INL Integral Non-linearity, Guaranteed
(Note 12) Monotonic
W option
-0.5
±0.15
+0.5
LSB
(Note 8)
U, T option
-0.5
±0.15
+0.5
LSB
(Note 8)
DNL Differential Non-linearity, Guaranteed W option
(Note 11) Monotonic
-0.5
±0.15
+0.5
LSB
(Note 8)
U, T option
-0.5
±0.15
+0.5
LSB
(Note 8)
FSerror Full-scale Error
W option
-3
-1.5
0
LSB
(Note 8)
U, T option
-1.5
-0.9
0
LSB
(Note 8)
ZSerror Zero-scale Error
(Note 9)
W option
0
1.5
3
LSB
(Note 8)
U, T option
0
0.9
1.5
LSB
(Note 8)
Vmatch DCP to DCP Matching
(Note 21)
DCPs at same tap position, same
-2
voltage at all RH terminals, and same
voltage at all RL terminals
±0.5
2
LSB
(Note 8)
TCV Ratiometric Temperature Coefficient W option, Wiper Register set to 40 hex
8
ppm/°C
(Notes 13)
U option, Wiper Register set to 40 hex
4
ppm/°C
T option, Wiper Register set to 40 hex
2.3
ppm/°C
tLS_Settling Large Signal Wiper Settling Time
From code 0 to 7F hex, measured from
300
ns
0 to 1 LSB settling of the wiper
fcutoff -3dB Cutoff Frequency
Wiper at middle point W option
Wiper at middle point U option
1200
kHz
250
kHz
Wiper at middle point T option
120
kHz
RHEOSTAT MODE (Measurements between RW and RL pins with RH not connected, or between RW and RH with RL not connected)
RINL Integral Non-linearity, Guaranteed
(Note 17) Monotonic
W option; VCC = 2.7V to 5.5V
-1.0
±0.5
+1.0
MI
(Note 14)
W option; VCC = 1.7V
4
MI
(Note 14)
U, T option; VCC = 2.7V to 5.5V
-0.5
±0.15
+0.5
MI
(Note 14)
U, T option; VCC = 1.7V
1
MI
(Note 14)
RDNL Differential Non-linearity, Guaranteed W option; VCC = 2.7V to 5.5V
(Note 16) Monotonic
-0.5
±0.15
+0.5
MI
(Note 14)
W option; VCC = 1.7V
±0.4
MI
(Note 14)
U, T option; VCC = 2.7V to 5.5V
-0.5
±0.15
+0.5
MI
(Note 14)
U, T option; VCC = 1.7V
±0.4
MI
(Note 14)
5
FN7902.0
August 19, 2011
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