CAT5127 Datasheet, PDF (6/13 Pages) Catalyst Semiconductor – 32-Tap Digitally Programmable Potentiometer (DPP TM)

CAT5127, CAT5129
POTENTIOMETER CHARACTERISTICS
Symbol Parameter
R_POT
Potentiometer Resistance
R_TOL
V_RH
V_RL
RES
INL
DNL
Pot Resistance Tolerance
Voltage on R_H pin
Voltage on R_L pin
Resolution
Integral Linearity Error
Differential Linearity Error
R_Wi
Wiper Resistance
TC_RPOT ⁽³⁾
TC_RATIO ⁽³⁾
V_N ⁽³⁾
C_H/C_L/C_W ⁽³⁾
Fc ⁽³⁾
TC of Pot Resistance
Ratiometric TC
Noise
Potentiometer Capacitances
Frequency Response
Conditions
-10 Device
-50 Device
-00 Device
V_CC = 5 V
V_CC = 2.5 V
100 kHz / 1 kHz
Passive Attenuator, 10 kΩ
Min
Typ Max Units
10
50
kΩ
100
± 20 %
0
V_CC
V
0
V_CC
V
3.2
%
0.5
1
LSB
0.25 0.5 LSB
70
100
Ω
150 200
Ω
±30 ±300 ppm/ºC
±3
20 ppm/ºC
8/24
nV/√Hz
8/8/25
pF
1.7
MHz
Notes:
(1) Latch-up protection is provided for stresses up to 100mA on address and data pins from -1 V to V_CC + 1 V
(2) I_W = source or sink
(3) These parameters are periodically sampled and are not 100% tested.
Doc. No. MD-2127 Rev. E
6
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Characteristics subject to change without notice