Datasheet
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
V
DD
= 2.7V to 5.5V, T
A
=-40°C to 85°C (unless otherwise noted). Typical values are at V
DD
=5V, T
A
=25°C (unless otherwise
noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
End-to-end Resistance
R
TOT
(Between H and L 8 10 12 kΩ
Terminals)
V
H
, V
L
Terminal voltage range 0 V
DD
V
R
H
, R
L
Terminal resistance 60 200 Ω
R
W
Wiper resistance 25 100 Ω
C
H
, C
L
(1)(2)
Terminal capacitance 22 pF
C
W
(1)(2)
Wiper capacitance 18 pF
V
H
= V
SS
to V
DD
, V
L
= Floating
Terminal Leakage
I
LKG
OR 0.1 1 µA
Current
V
L
= V
SS
to V
DD
, V
H
= Floating
Resistance temperature
TC
R
Input Code = 0x80h 132 ppm/°C
coefficient
Channel-to-channel
R
TOT,MATCH
0.1 %
resistance match
Voltage Divider Mode
INL
(3)(4)
Integral non-linearity –1 1 LSB
DNL
(3)(5)
Differential non-linearity –0.5 0.5 LSB
ZS
ERROR
(6)(7)
Zero-scale error 0 2 5 LSB
FS
ERROR
(6)(8)
Full-scale error –5 –2 0 LSB
Channel-to-Channel Wiper at the same tap position, same voltage all H and
V
MATCH
(6)(9)
–2 2 LSB
matching the same voltage at all L terminals
Ratiometric
TC
V
Wiper set at mid-scale 12 ppm/°C
temperature coefficient
Wiper set at mid-scale
BW Bandwidth 2000 kHz
C
LOAD
= 10 pF
T
SW
Wiper setting time 0.4 µS
V
H
= 1 V
RMS
at 1 kHz,
Total harmonic
THD V
L
= V
DD
/2, 0.03 %
distortion
Measurement at W
f
H
= 1 kHz,
X
TALK
Crosstalk V
L
= GND, –94 dB
Measurement at W
(1) Terminal and Wiper Capacitance extracted from self admittance of three port network measurement
(2) Digital Potentiometer Macromodel
(3) LSB = (V
MEAS[code 255]
– V
MEAS[code 0]
) / 255
(4) INL = ((V
MEAS[code x]
– V
MEAS[code 0]
) / LSB) - [code x]
(5) DNL = ((V
MEAS[code x]
– V
MEAS[code x-1]
) / LSB) – 1
(6) IDEAL_LSB = (V
H
-V
L
) / 256
(7) ZS
ERROR
= V
MEAS[code 0]
/ IDEAL_LSB
(8) FS
ERROR
= [(V
MEAS[code 255]
– (V
H
-V
L
)) / IDEAL_LSB] + 1
(9) V
MATCH
= (V
MEAS_A[code x]
– V
MEAS_B[code x]
) / IDEAL_LSB
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