參數(shù)資料
型號(hào)： TPL0102-100PWR
廠商： TEXAS INSTRUMENTS INC
元件分類： 數(shù)字電位計(jì)
英文描述： DIGITAL POTENTIOMETER, PDSO14
封裝： PLASTIC, TSSOP-14
文件頁(yè)數(shù)： 21/24頁(yè)
文件大小： 586K
代理商： TPL0102-100PWR
k
i
ii
V
0 for k i
i
I
Y
V
=
=
H
L
W
R
TOTAL
C
L
C
H
C
W
SLIS134A
– MARCH 2011 – REVISED MARCH 2011
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
80
100
120
k
Ω
Terminals)
RH, RL
Terminal resistance
60
200
Ω
RW
Wiper resistance
25
100
Ω
CH, CL
(1) (2)
Terminal capacitance
22
pF
CW
(1) (2)
Wiper capacitance
16
pF
VH = VSS to VDD, VL = Floating
Terminal Leakage
ILKG
OR
0.1
1
A
Current
VL = VSS to VDD, VH = Floating
Resistance temperature
TCR
Input Code = 0x80h
92
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
0.1
2
LSB
FSERROR
(6) (8)
Full-scale error
–2
–0.1
0
LSB
Channel-to-Channel
Wiper at the same tap position, same voltage at all H
VMATCH
(6) (9)
–2
2
LSB
matching
and same voltage at all L terminals
Ratiometric
TCV
Wiper set at mid-scale
4
ppm/
°C
temperature coefficient
Wiper set at
BW
Bandwidth
TPL0102-100
mid-scale
229
kHz
CLOAD = 10 pF
TSW
Wiper setting time
TPL0102-100
3.6
S
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
dB
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
6
Copyright
2011, Texas Instruments Incorporated
Product Folder Link(s): TPL0102
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