ISL23445

5

FN7874.0

June 21, 2011

INL

(Note 13)

Integral Non-linearity, Guaranteed

Monotonic

W option

-1.0

±0.5

+1.0

LSB

(Note 9)

U, T option

-0.5

±0.15

+0.5

LSB

(Note 9)

DNL

(Note 12)

Differential Non-linearity, Guaranteed

Monotonic

W option

-1

±0.4

+1

LSB

(Note 9)

U, T option

-0.4

±0.1

+0.4

LSB

(Note 9)

FSerror

(Note 11)

Full-scale Error

W option

-5

-2

0

LSB

(Note 9)

U, T option

-2

-0.5

0

LSB

(Note 9)

ZSerror

(Note 10)

Zero-scale Error

W option

0

2

5

LSB

(Note 9)

U, T option

0

0.4

2

LSB

(Note 9)

Vmatch

(Note 22)

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

(Note 9)

(Note 14)

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

From code 0 to FF hex, measured from 0 to

1LSB settling of the wiper

300

ns

-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)

(Note 18)

Integral Non-linearity, Guaranteed

Monotonic

-2.0

±1

+2.0

MI

(Note 15)

10.5

MI

(Note 15)

-1.0

±0.3

+1.0

MI

(Note 15)

2.1

MI

(Note 15)

(Note 17)

Differential Non-linearity, Guaranteed

Monotonic

-1

±0.4

+1

MI

(Note 15)

±0.6

MI

(Note 15)

-0.5

±0.15

+0.5

MI

(Note 15)

±0.35

MI

(Note 15)

Analog Specifications

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