TPL0102-100QPWREP datasheet(6/36 Pages) TI

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TPL0102-EP

SLIS149 – JUNE 2014

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7.5 Electrical Characteristics

VDD = 2.7 to 5.5 V, VSS = 0 V, VH= VDD, VL= GND, TJ = –40°C to 125°C (unless otherwise noted). Typical values are at

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

End-to-end resistance

RTOT

TPL0102-100

100

120

(Between H and L pins)

RH, RL

Pin resistance

200

Wiper resistance

120

CH, CL

(1) (2)

Pin capacitance

(1) (2)

Wiper capacitance

VH = VSS to VDD, VL = Floating

ILKG

Pin leakage current

0.1

µA

VL = VSS to VDD, VH = Floating

Resistance temperature

TCR

Input Code = 0x80h

ppm/°C

coefficient

Channel-to-channel resistance

RTOT,MATCH

0.1

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

Wiper at the same tap position, same voltage

VMATCH

(6) (9)

Channel-to-channel matching

–2

LSB

at all H and same voltage at all L pins

Ratiometric temperature

TCV

Wiper set at mid-scale

ppm/°C

coefficient

Wiper set at

Bandwidth

TPL0102-100

midscale

229

kHz

CLOAD = 10 pF

TSW

Wiper setting time

TPL0102-100

3.6

µS

VH = 1 VRMS at 1 kHz,

THD

Total harmonic distortion

VL = (VDD – VSS)/2,

TPL0102-100

0.03

Measurement at W

ƒH = 1 kHz,

XTALK

Crosstalk

VL = GND,

–82

Measurement at W

(1)

Pin 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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