Datasheet

Dual, 256-Tap, Volatile, Low-Voltage,
Linear Taper Digital Potentiometer
MAX5392
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +1.7V to +5.5V, V
H_
= V
DD
, V
L_
= 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
DD
= +1.8V,
T
A
= +25NC.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
AC PERFORMANCE
Crosstalk (Note 5) -90 dB
-3dB Bandwidth BW
Code = 80H,
10pF load,
V
DD
= 1.8V
MAX5392L 600
kHzMAX5392M 100
MAX5392N 50
Total Harmonic Distortion Plus
Noise
THD+N Measured at W, V
H_
= 1V
RMS
at 1kHz 0.02 %
Wiper Settling Time t
S
(Note 6)
MAX5392L 400
nsMAX5392M 1200
MAX5392N 2200
Charge-Pump Feedthrough at W_ V
RW
f
CLK
= 600kHz, C
BYP
= 0nF 600 nV
P-P
POWER SUPPLIES
Supply Voltage Range V
DD
1.7 5.5 V
Standby Current
V
DD
= 5.5V 27
FA
V
DD
= 1.7V 12
DIGITAL INPUTS
Minimum Input High Voltage V
IH
V
DD
= 2.6V to 5.5V 70
% x V
DD
V
DD
= 1.7V to 2.6V 75
Maximum Input Low Voltage V
IL
V
DD
= 2.6V to 5.5V 30
% x V
DD
V
DD
= 1.7V to 2.6V 25
Input Leakage Current -1 +1
FA
Input Capacitance 5 pF
TIMING CHARACTERISTICS—I
2
C (Notes 7 and 8)
Maximum SCL Frequency f
SCL
400 kHz
Setup Time for START Condition t
SU:STA
0.6
Fs
Hold Time for START Condition t
HD:STA
0.6
Fs
SCL High Time t
HIGH
0.6
Fs
SCL Low Time t
LOW
1.3
Fs