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CAT5121SDI-00T3 Datasheet(PDF) 3 Page - Catalyst Semiconductor

Part # CAT5121SDI-00T3
Description  16-Tap MiniPot TM Digitally Programmable Potentiometers with 2-Wire Interface
Download  13 Pages
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT5121SDI-00T3 Datasheet(HTML) 3 Page - Catalyst Semiconductor

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CAT5120, CAT5121, CAT5122
3
Doc No. 22, Rev. C
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
TyPICAl OPerATInG CHArACTerIsTICs
TA = 25ºC, unless otherwise noted.
VDD= 5.5V
VDD= 2.7V
0
8
4
12 16 20 24
WIPER POSITION
VDD= 2.7V
28 32
50K
VDD= 5.5V
eleCTrICAl CHArACTerIsTICs (continued)
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
Timing Characteristics (Figures 1, 2)
U/DMode 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 = 10pF

μs
100kΩ potentiometer
configuration, CL = 10pF
0.25
Power supply
Supply Voltage
VDD
2.7
5.5
V
Active Supply Current (3)
IDD
25
µA
Standby Supply Current (4)
ISD
VDD = +5V
0.3

µA
notes:
() Up/Down Toggle Rate: fTOGGLE = /tSETTLE
(2) Typical setting times are dependant on end-to-end resistance.
(3) Supply current taken while changing wiper tap, fTOGGLE = MHz.
(4) Supply current taken while wiper position is fixed.


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