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CAT5123 Folha de dados(PDF) 3 Page - Catalyst Semiconductor

Nome de Peças. CAT5123
descrição  32-Tap MiniPot TM Digitally Programmable Potentiometers with 2-Wire Interface
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Fbricantes  CATALYST [Catalyst Semiconductor]
Página de início  http://www.catalyst-semiconductor.com
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CAT5123 Folha de dados(HTML) 3 Page - Catalyst Semiconductor

 
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CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
3
Doc No. 220, Rev. E
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
eleCTrICAl CHArACTerIsTICs
VDD = 2.7V to 5.5V, VH = VDD, VL = 0, TA = -40ºC to 85ºC. Typical values are at VDD = 2.7V, TA = 25ºC, unless
otherwise noted.
Parameter
symbol
Conditions
Min
Typ
Max
units
DC Performance
Resolution
32
Taps
End-to-End Resistance (-00)
80
00
20
End-to-End Resistance (-50)
40
50
60
End-to-End Resistance (-0)
8
0
2
End-to-End Resistance Tempco
TCR
200
ppm/ºC
Ratiometric Resistance Tempco
5
ppm/ºC
Integral Nonlinearity
INL
±0.5
±
LSB
Differential Nonlinearity
DNL
±
LSB
Full-Scale Error
±0.
LSB
Zero-Scale Error

LSB
Wiper Resistance
RW
CAT50/8/9
200
600
Ω
CAT523/24/25
80
200
Digital Inputs
Input High Voltage
VIH
0.7 x VDD
V
Input Low Voltage
VIL
0.3 x VDD
V
Timing Characteristics (Figures 1, 2)
U/D Mode to CS Setup
tCU
25
ns
CS to U/D Step Setup
tCI
50
ns
CS to U/D Step Hold
tIC
25
ns
U/D Step Low Period
tIL
25
ns
U/D Step High Period
tIH
25
ns
Up/Down Toggle Rate ()
fTOGGLE

MHz
Output Settling Time (2)
tSETTLE
100kΩ variable
resistor
configuration,
CL = 0pF

μs
100kΩ potentiometer
configuration,
CL = 0pF
0.25
Power supply
Supply Voltage
VDD
2.7
5.5
V
Active Supply Current (3)
IDD
25
µA
Standby Supply Current (4)
ISB
VDD = +5V
0.3

µA
notes:
() Up/Down Toggle Rate:
SETTLE
TOGGLE
t

=
f
(2) Typical settling times are dependent on end-to-end resistance.
(3) Supply current measured while changing wiper tap, fTOGGLE = MHz.
(4) Supply current measured while wiper position is fixed.


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