TPL0102-100 datasheet(6/24 Pages) TI1

6 / 24 page

0 for k i

TOTAL

TPL0102

SLIS134A

– MARCH 2011 – REVISED MARCH 2011

www.ti.com

ELECTRICAL CHARACTERISTICS

VDD = 2.7V to 5.5V, VSS = 0V, VH= VDD, VL= GND, TA = –40°C to 85°C (unless otherwise noted). Typical values are at VDD=

5V, TA = 25°C (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

End-to-end Resistance

RTOT

(Between H and L

TPL0102-100

100

120

Terminals)

RH, RL

Terminal resistance

200

Wiper resistance

100

CH, CL

(1) (2)

Terminal capacitance

(1) (2)

Wiper capacitance

VH = VSS to VDD, VL = Floating

Terminal Leakage

ILKG

0.1

µA

Current

VL = VSS to VDD, VH = Floating

Resistance temperature

TCR

Input Code = 0x80h

ppm/

°C

coefficient

Channel-to-channel

RTOT,MATCH

0.1

resistance match

Voltage Divider Mode

INL(3)(4)

Integral non-linearity

–0.5

0.5

LSB

DNL(3)(5)

Differential non-linearity

–0.25

0.25

LSB

ZSERROR

(6) (7)

Zero-scale error

0.1

LSB

FSERROR

(6) (8)

Full-scale error

–2

–0.1

LSB

Channel-to-Channel

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

VMATCH

(6) (9)

–2

LSB

matching

and same voltage at all L terminals

Ratiometric

TCV

Wiper set at mid-scale

ppm/

°C

temperature coefficient

Wiper set at

Bandwidth

TPL0102-100

mid-scale

229

kHz

CLOAD = 10 pF

TSW

Wiper setting time

TPL0102-100

3.6

µS

VH = 1 VRMS at 1 kHz,

Total harmonic

THD

VL = (VDD – VSS)/2,

TPL0102-100

0.03

distortion

Measurement at W

fH = 1 kHz,

XTALK

Cross talk

VL = GND,

–82

Measurement at W

(1)

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

(2)

Digital Potentiometer Macromodel

(3)

LSB = (VMEAS[code 255] – VMEAS[code 0]) / 255

(4)

INL = ((VMEAS[code x] – VMEAS[code 0]) / LSB) - [code x]

(5)

DNL = ((VMEAS[code x] – VMEAS[code x-1]) / LSB) – 1

(6)

IDEAL_LSB = (VH-VL) / 256

(7)

ZSERROR = VMEAS[code 0] / IDEAL_LSB

(8)

FSERROR = [(VMEAS[code 255] – (VH-VL)) / IDEAL_LSB] + 1

(9)

VMATCH = (VMEAS_A[code x] – VMEAS_B[code x]) / IDEAL_LSB

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