H

L

W

R

TOTAL

C

L

C

H

C

W

k

i

ii

V

0 for k i

i

I

Y

V

=

¹

=

TPL0202

SLIS135C – DECEMBER 2010 – REVISED JUNE 2012

www.ti.com

ELECTRICAL CHARACTERISTICS

noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

End-to-end Resistance

(Between H and L

8

10

12

k

Ω

Terminals)

Terminal voltage range

0

V

Terminal resistance

60

200

Ω

Wiper resistance

25

100

Ω

(1) (2)

Terminal capacitance

22

pF

(1) (2)

Wiper capacitance

18

pF

Terminal Leakage

OR

0.1

1

µA

Current

Resistance temperature

Input Code = 0x80h

132

ppm/°C

coefficient

Channel-to-channel

0.1

%

resistance match

Voltage Divider Mode

Integral non-linearity

–1

1

LSB

Differential non-linearity

–0.5

0.5

LSB

(6) (7)

Zero-scale error

0

2

5

LSB

(6) (8)

Full-scale error

–5

–2

0

LSB

Channel-to-Channel

Wiper at the same tap position, same voltage all H and

(6) (9)

–2

2

LSB

matching

the same voltage at all L terminals

Ratiometric

Wiper set at mid-scale

12

ppm/°C

temperature coefficient

Wiper set at mid-scale

BW

Bandwidth

2000

kHz

Wiper setting time

0.4

µS

Total harmonic

THD

0.03

%

distortion

Measurement at W

Crosstalk

–94

dB

Measurement at W

(1)

Terminal and Wiper Capacitance extracted from self admittance of three port network measurement

(2)

Digital Potentiometer Macromodel

(3)

(4)

(5)

(6)

(7)

(8)

(9)

6

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