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| CAT5120_07 Datasheet, PDF (3/13 Pages) Catalyst Semiconductor – 16-Tap MiniPot TM Digitally Programmable Potentiometers with 2-Wire Interface | |||
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CAT5120, CAT5121, CAT5122
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
Timing Characteristics (Figures 1, 2)
U/DMode to CS Setup
CS to U/D Step Setup
CS to U/D Step Hold
U/D Step Low Period
U/D Step High Period
Up/Down Toggle Rate (1)
Output Settling Time (2)
tCU
25
tCI
50
tIC
25
tIL
25
tIH
25
fTOGGLE
tSETTLE
100kΩ variable resistor
configuration, CL = 10pF
100kΩ potentiometer
configuration, CL = 10pF
Power Supply
Supply Voltage
VDD
Active Supply Current (3)
IDD
Standby Supply Current (4)
ISD
2.7
VDD = +5V
Notes:
(1) Up/Down Toggle Rate: fTOGGLE = 1/tSETTLE
(2) Typical setting times are dependant on end-to-end resistance.
(3) Supply current taken while changing wiper tap, fTOGGLE = 1MHz.
(4) Supply current taken while wiper position is fixed.
Typ
1
1
0.25
0.3
Max Units
ns
ns
ns
ns
ns
MHz
μs
5.5
V
25
µA
1
µA
typical operating CHARACTERISTICS
TA = 25ºC, unless otherwise noted.
VDD= 2.7V
50K
VDD= 5.5V
0 4 8 12 16 20 24 28 32
WIPER POSITION
VDD= 5.5V
VDD= 2.7V
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc No. 2121, Rev. C
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