ISL23445
5
FN7874.0
June 21, 2011
VOLTAGE DIVIDER MODE (0V @ RL; VCC @ RH; measured at RW, unloaded)
INL
Integral Non-linearity, Guaranteed
Monotonic
W option
-1.0
±0.5
+1.0
LSB
U, T option
-0.5
±0.15
+0.5
LSB
DNL
Differential Non-linearity, Guaranteed
Monotonic
W option
-1
±0.4
+1
LSB
U, T option
-0.4
±0.1
+0.4
LSB
FSerror
Full-scale Error
W option
-5
-2
0
LSB
U, T option
-2
-0.5
0
LSB
ZSerror
Zero-scale Error
W option
0
2
5
LSB
U, T option
0
0.4
2
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 80 hex
8
ppm/°C
U option, Wiper Register set to 80 hex
4
ppm/°C
T option, Wiper Register set to 80 hex
2.3
ppm/°C
tLS_Settling Large Signal Wiper Settling Time
From code 0 to FF hex, measured from 0 to
1LSB 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
-2.0
±1
+2.0
MI
W option; VCC = 1.7V
10.5
MI
U, T option; VCC = 2.7V to 5.5V
-1.0
±0.3
+1.0
MI
U, T option; VCC = 1.7V
2.1
MI
RDNL
Differential Non-linearity, Guaranteed
Monotonic
W option; VCC = 2.7V to 5.5V
-1
±0.4
+1
MI
W option; VCC = 1.7V
±0.6
MI
U, T option; VCC = 2.7V to 5.5V
-0.5
±0.15
+0.5
MI
U, T option; VCC = 1.7V
±0.35
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 20) TYP (Note 8)
MAX
(Note 20)
UNITS