CAT5112_07 Datasheet, PDF (4/11 Pages) Catalyst Semiconductor – 32-Tap Digitally Programmable Potentiometer (DPP™) with Buffered Wiper

CAT5112
Logic Inputs
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 ≤ 6V
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
Symbol
R_POT
V_RH
V_RL
INL
DNL
R_OUT
I_OUT
TC_RPOT
TC_RATIO
C_RH/C_RL/C_RW
fc
V_WB(SWING)
Parameter
Potentiometer Resistance
Pot. Resistance Tolerance
Voltage on R_H pin
Voltage on R_L pin
Resolution
Integral Linearity Error
Differential Linearity Error
Buffer Output Resistance
Buffer Output Current
TC of Pot Resistance
Ratiometric TC
Potentiometer Capacitances
Frequency Response
Output Voltage Range
Conditions
-10 Device
-50 Device
-00 Device
I_W ≤ 2µA
I_W ≤ 2µA
0.05V_CC ≤ V_WB ≤ 0.95V_CC,
V_CC = 5V
0.05V_CC ≤ V_WB ≤ 0.95V_CC,
V_CC = 5V
Passive Attenuator, 10kΩ
I_OUT ≤ 100µA, V_CC = 5V
Min
Typ Max Units
10
50
kΩ
100
±20
%
0
V_CC
V
0
V_CC
V
1
%
0.5
1
LSB
0.25 0.5 LSB
1
Ω
3
mA
0.01V_CC
300
ppm/ºC
20
ppm/ºC
8/8/25
pF
1.7
MHz
0.99V_CC
Doc. No. MD-2002 Rev. M
4
© 2007 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice