Datasheet

MAX5408–MAX5411
Dual, Audio, Log Taper Digital Potentiometers
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +3.6V (MAX5408/MAX5409), V
DD
= +4.5V to +5.5V (MAX5410/MAX5411), V
H_
= V
DD
, V
L_
= 0, T
A
= T
MIN
to T
MAX
.
Typical values are at T
A
= +25°C, unless otherwise specified.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DIGITAL OUTPUT
Output High Voltage V
OH
I
SOURCE
= 0.5mA
V
LOGIC
- 0.5
V
Output Low Voltage V
OL
I
SINK
= 2mA 0.4 V
TIMING CHARACTERISTICS (Figure 1)
SCLK Clock Period t
CP
100 ns
SCLK Pulse Width High t
CH
40 ns
SCLK Pulse Width Low t
CL
40 ns
CS Fall to SCLK Rise Setup
Time
t
CSS
40 ns
SCLK Rise to CS Rise Hold Time t
CSH
0ns
DIN Setup Time t
DS
40 ns
DIN Hold Time t
DH
0ns
SCLK Fall to DOUT Valid
Propagation Delay
t
DO
C
LOAD
= 200pF 80 ns
CS Rise to SCLK Rise Hold Time t
CS1
40 ns
CS Pulse Width High t
CSW
100 ns
Wiper Settling Time t
IW
Zero-crossing detect disabled 1 µs
POWER SUPPLIES
MAX5408/MAX5409 2.7 3.6
Supply Voltage V
DD
MAX5410/MAX5411 4.5 5.5
V
Active Supply Current f
SCLK
= 2MHz (Note 2) 100
Standby Supply Current
I
DD
(Note 3) 0.2 10
µA
Logic Supply Voltage V
LOGIC
2.7 5.5 V
Logic Active Supply Current f
S C L K
= 2M H z, D OU T = fl oati ng ( N ote 2) 120
Logic Standby Supply Current
I
LOGIC
DOUT = floating (Note 3) 0.5 10
µA
Note 1: Guaranteed by design, not production tested.
Note 2: Supply current measured while changing wiper position with zero crossing enabled.
Note 3: Supply current measured while wiper position is fixed.