ISL23328
5
FN7902.0
August 19, 2011
VOLTAGE DIVIDER MODE (0V @ RL; VCC @ RH; measured at RW, unloaded)
INL
Integral Non-linearity, Guaranteed
Monotonic
W option
-0.5
±0.15
+0.5
LSB
U, T option
-0.5
±0.15
+0.5
LSB
DNL
Differential Non-linearity, Guaranteed
Monotonic
W option
-0.5
±0.15
+0.5
LSB
U, T option
-0.5
±0.15
+0.5
LSB
FSerror
Full-scale Error
W option
-3
-1.5
0
LSB
U, T option
-1.5
-0.9
0
LSB
ZSerror
Zero-scale Error
W option
0
1.5
3
LSB
U, T option
0
0.9
1.5
LSB
Vmatch
DCP to DCP Matching
DCPs at same tap position, same
voltage at all RH terminals, and same
voltage at all RL terminals
-2
±0.5
2
LSB
TCV
Ratiometric Temperature Coefficient
W option, Wiper Register set to 40 hex
8
ppm/°C
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
0 to 1 LSB settling of the wiper
300
ns
fcutoff
-3dB Cutoff Frequency
Wiper at middle point W option
1200
kHz
Wiper at middle point U option
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
Monotonic
W option; VCC = 2.7V to 5.5V
-1.0
±0.5
+1.0
MI
W option; VCC = 1.7V
4
MI
U, T option; VCC = 2.7V to 5.5V
-0.5
±0.15
+0.5
MI
U, T option; VCC = 1.7V
1
MI
RDNL
Differential Non-linearity, Guaranteed
Monotonic
W option; VCC = 2.7V to 5.5V
-0.5
±0.15
+0.5
MI
W option; VCC = 1.7V
±0.4
MI
U, T option; VCC = 2.7V to 5.5V
-0.5
±0.15
+0.5
MI
U, T option; VCC = 1.7V
±0.4
MI
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