CAT5128 Datasheet, PDF (4/8 Pages) Catalyst Semiconductor – 32-Tap Digital Up/Down Control Potentiometer

CAT5128
LOGIC INPUTS
V_CC = +2.5V to +5.5V unless otherwise specified
Symbol
I_IH
I_IL
V_IH1
V_IL1
V_IH2
V_IL2
Parameter
Input Leakage Current
Input Leakage Current
TTL High Level Input Voltage
TTL Low Level Input Voltage
CMOS High Level Input Voltage
CMOS Low Level Input Voltage
Conditions
V_IN = V_CC
V_IN = 0V
4.5V ≤ V_CC ≤ 5.5V
2.5V ≤ V_CC ≤ 5.5V
Min Typ Max
–
–
10
–
–
-10
2
–
V_CC
0
–
0.8
V_CC x 0.7 – V_CC + 0.3
-0.3
– V_CC x 0.2
Units
µA
µA
V
V
V
V
POTENTIOMETER CHARACTERISTICS
V_CC = +2.5V to +5.5V unless otherwise specified
Symbol
R_POT
V_A
V_B
INL
DNL
R_WI
I_W
TC_RPOT
TC_RATIO
V_N ⁽³⁾
C_A/C_B/C_W
fc (3)
Parameter
Potentiometer Resistance
Pot. Resistance Tolerance
Voltage on A pin
Voltage on B pin
Resolution
Integral Linearity Error
Differential Linearity Error
Wiper Resistance
Wiper Current
TC of Pot Resistance
Ratiometric TC
Noise
Potentiometer Capacitances
Frequency Response
Conditions
-10 Device
-50 Device
-00 Device
I_W ≤ 2µA
I_W ≤ 2µA
V_CC = 5V, I_W = 1mA
V_CC = 2.5V, I_W = 1mA
(2)
(3)
(3)
100kHz / 1kHz
(3)
Passive Attenuator, 10kΩ
Min
Typ⁽¹⁾ Max
Units
10
50
kΩ
100
±20
%
0
V_CC
V
0
V_CC
V
3.2
%
-0.5
0.1
0.5
LSB
-0.5
0.05
0.5
LSB
70
Ω
150
300
Ω
1
mA
50
ppm/ºC
5
20 ppm/ºC
8/24
nV/√Hz
8/8/25
pF
1.7
MHz
Notes:
(1) Typical values are for T_A = 25ºC and nominal supply voltage.
(2) I_W = source or sink.
(3) These parameters are periodically sampled and are not production tested.
Doc. No. MD-2128 Rev. B
4
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice