CAT5110_07 Datasheet, PDF (3/16 Pages) Catalyst Semiconductor – 32-Tap MiniPot™ Digitally Programmable Potentiometers with 2-Wire Interface

CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
Electrical CHARACTERISTICS
V_DD = 2.7V to 5.5V, V_H = V_DD, V_L = 0, T_A = -40ºC to 85ºC. Typical values are at V_DD = 2.7V, T_A = 25ºC, unless
otherwise noted.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
DC Performance
Resolution
32
Taps
End-to-End Resistance (-00)
80
100
120
End-to-End Resistance (-50)
40
50
60
kΩ
End-to-End Resistance (-10)
8
10
12
End-to-End Resistance Tempco TC_R
Ratiometric Resistance Tempco
200
ppm/ºC
5
ppm/ºC
Integral Nonlinearity
INL
±0.5
±1
LSB
Differential Nonlinearity
DNL
±1
LSB
Full-Scale Error
±0.1
LSB
Zero-Scale Error
1
LSB
Wiper Resistance
CAT5110/18/19
R_W
CAT5123/24/25
200
600
Ω
80
200
Digital Inputs
Input High Voltage
V_IH
Input Low Voltage
V_IL
Timing Characteristics (Figures 1, 2)
0.7 x V_DD
V
0.3 x V_DD
V
U/D Mode 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⁾
Power Supply
t_CU
25
t_CI
50
t_IC
25
t_IL
25
t_IH
25
f_TOGGLE
t_SETTLE
100kΩ variable
resistor
configuration,
C_L = 10pF
100kΩ potentiometer
configuration,
C_L = 10pF
1
1
0.25
ns
ns
ns
ns
ns
MHz
μs
Supply Voltage
V_DD
Active Supply Current ⁽³⁾
I_DD
Standby Supply Current ⁽⁴⁾
I_SB
V_DD = +5V
2.7
5.5
V
25
µA
0.3
1
µA
Notes:

(1) Up/Down Toggle Rate: f_TOGGLE = _tSETTLE
(2) Typical settling times are dependent on end-to-end resistance.
(3) Supply current measured while changing wiper tap, f_TOGGLE = 1MHz.
(4) Supply current measured while wiper position is fixed.
© Catalyst Semiconductor, Inc.

Characteristics subject to change without notice
Doc No. MD-2120, Rev. F