CAT5116 Datasheet, PDF (4/8 Pages) Catalyst Semiconductor – Log-Taper, 100-Tap Digitally Programmable Potentiometer

CAT5116
POTENTIOMETER PARAMETERS
Symbol
Parameter
RPOT
Potentiometer Resistance
RTOL
Pot Resistance Tolerance
VRH
Voltage on RH pin
VRL
Voltage on RL pin
RV*
Relative Variation
RWi
Wiper Resistance
I_W
TC_RPOT
TC_RATIO
V_N
C_H/C_L/C_W
fc
Wiper Current
TC of Pot Resistance
Ratiometric TC
Noise
Potentiometer Capacitances
Frequency Response
Conditions
VCC = 5V, IW = 1mA
V_CC = 2.5V, I_W = 1mA
100kHz / 1kHz
Passive Attenuator, 10kΩ
* Relative variation is a measure of the error in step size between taps
= log (V_W(N)) - log(V_W(N-1)) = 0.045 + 0.003
AC TEST CONDITIONS
V_CC Range
Input Pulse Levels
Input Rise and Fall Times
Input Reference Levels
2.5V ≤ V_CC ≤ 5.5V
0.2V_CC to 0.7V_CC
10ns
0.5V_CC
Min Typ Max Units
32
kΩ
± 20 %
0
VCC
V
0
VCC
V
0.05
200 400
Ω
400 1000
1
mA
300
ppm/^oC
20 ppm/^oC
8/24
nV/ H_z
8/8/25
pF
1.7
MHz
AC OPERATING CHARACTERISTICS
V_CC = +2.5V to +5.5V, V_H = V_CC, V_L = 0V, unless otherwise specified
Symbol Parameter
Min
t_CI
CS to INC Setup
100
t_DI
U/D to INC Setup
50
t_ID
U/D to INC Hold
100
t_IL
INC LOW Period
250
t_IH
INC HIGH Period
250
t_IC
INC Inactive to CS Inactive
1
t_CPH1
CS Deselect Time (NO STORE)
100
t_CPH2
CS Deselect Time (STORE)
10
t_IW
INC to V_OUT Change
t_CYC
INC Cycle Time
1
t_R, t_F(2) INC Input Rise and Fall Time
t_PU(2)
Power-up to Wiper Stable
t_WR
Store Cycle
Typ⁽¹⁾
1
5
Max
5
500
1
10
Units
ns
ns
ns
ns
ns
µs
ns
ms
µs
µs
µs
msec
ms
Doc. No. 2118, Rev. J
4