CAT5122 CATALYST [Catalyst Semiconductor], CAT5122 Datasheet - Page 3

• Manufacturer Part Number: CAT5122
• Description: 16-Tap MiniPot TM Digitally Programmable Potentiometers with 2-Wire Interface
• Manufacturer: CATALYST [Catalyst Semiconductor]

eleCTrICAl CHArACTerIsTICs (continued)
V
otherwise noted.
notes:
() Up/Down Toggle Rate: f
(2) Typical setting times are dependant on end-to-end resistance.
(3) Supply current taken while changing wiper tap, f
(4) Supply current taken while wiper position is fixed.
TyPICAl OPerATInG CHArACTerIsTICs
T
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Parameter
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
Output Settling Time
Power supply
Supply Voltage
Active Supply Current
Standby Supply Current
A
DD
= 25ºC, unless otherwise noted.
= 2.7V to 5.5V, V
0
4
8
WIPER POSITION
TOGGLE
(2)
H
(3)
12
()
= V
(4)
V
16
DD
= /t
V
V
DD
DD
= 2.7V
DD
20
V
= 2.7V
DD
= 5.5V
, V
SETTLE
= 5.5V
24
symbol
L
f
t
TOGGLE
SETTLE
= 0, T
V
28
t
I
I
t
t
t
CU
t
DD
SD
CI
IC
IH
IL
DD
32
A
TOGGLE
= -40ºC to 85ºC. Typical values are at V
configuration, CL = 10pF
configuration, CL = 10pF
100kΩ variable resistor
100kΩ potentiometer
= MHz.
Conditions
V
DD
3
= +5V
50K
Min
2.7
25
50
25
25
25
CAT5120, CAT5121, CAT5122
DD
0.25
Typ
0.3


= 2.7V, T
Max
5.5
25
A

= 25ºC, unless
Doc No. 22, Rev. C
units
MHz
µA
µA
ns
ns
ns
ns
ns
μs
V