Datasheet

MAX5432–MAX5435
32-Tap, Nonvolatile, I
2
C, Linear, Digital
Potentiometers
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.25V, V
H
= V
DD
, V
L
= GND, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= +5V, T
A
=
+25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
DYNAMIC CHARACTERISTICS
MAX5432/MAX5434
500
-3dB Bandwidth (Note 8)
MAX5433/MAX5435
250
kHz
MAX5432/MAX5434 0.5
Wiper Settling Time (Note 9)
MAX5433/MAX5435 1.0
µs
NONVOLATILE MEMORY RELIABILITY
Data Retention T
A
= +85°C 50
Years
T
A
= +25°C
200,000
Endurance
T
A
= +85°C
50,000
Stores
POWER SUPPLY
Power-Supply Voltage V
DD
2.70 5.25
V
Standby Current I
DD
Digital inputs = V
DD
or GND, T
A
= +25°C 0.5 2 µA
Programming Current
During nonvolatile write; digital inputs =
V
DD
or GND (Note 10)
200
900
µA
Note 1: All devices are production tested at T
A
= +25°C and are guaranteed by design and characterization for -40°C < T
A
< +85°C.
TIMING CHARACTERISTICS
(V
DD
= +2.7V to +5.25V, V
H
= V
DD
, V
L
= GND, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= +5V, T
A
=
+25°C.) (Figures 1 and 2) (Note 11)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
SCL Clock Frequency f
SCL
400
kHz
Setup Time for START Condition
t
SU-STA
0.6 µs
Hold Time for START Condition
t
HD-STA
0.6 µs
CLK High Time t
HIGH
0.6 µs
CLK Low Time t
LOW
1.3 µs
Data Setup Time
t
SU-DAT
100
ns
Data Hold Time
t
HD-DAT
0 0.9 µs
SDA, SCL Rise Time t
R
300
ns
SDA, SCL Fall Time t
F
300
ns
Setup Time for STOP Condition
t
SU-STO
0.6 µs
Bus Free Time Between STOP
and START Condition
t
BUF
1.3 µs
Pulse Width of Spike Suppressed
t
SP
50 ns
Capacitive Load for Each Bus
Line
C
B
(Note 12)
400
pF
Nonvolatile Store Time
Idle time required after a nonvolatile
memory write (Note 13)
12 ms