Electrical characteristics (continued) – Rainbow Electronics MAX5439 User Manual
Page 4
MAX5436–MAX5439
±15V, 128-Tap, Low-Drift Digital Potentiometers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +15V, V
SS
= -15V, V
CC
= +5V, V
H
= V
DD
, V
L
= V
SS
, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at
T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Analog Supply Separation
V
DS
V
DD
- V
SS
9.0
31.5
V
Digital Supply Voltage
V
CC
2.70
5.25
V
Digital Supply to Negative Analog
Supply Separation
V
CS
V
CC
- V
SS
2.7
31.5
V
Power-On Reset Threshold
POR
1.6
V
Digital Supply Current
I
CC
(Note 4)
30
50
µA
MAX5436/MAX5438
SHDN = GND for MAX5437/MAX5439
30
60
Positive Analog Supply Current
I
DD
SHDN = V
CC
105
215
µA
MAX5436/MAX5438
SHDN = GND for MAX5437/MAX5439
55
110
Negative Analog Supply Current
I
SS
SHDN = V
CC
130
250
µA
Note 1: The DNL and INL are measured with the potentiometer configured as a voltage-divider with H = V
DD
and L = V
SS
. The
wiper terminal is unloaded.
Note 2: The DNL and INL are measured with the potentiometer configured as a variable resistor. H is unconnected and L = V
SS
.
The wiper terminal is driven with a source current of 80µA for the 50k
Ω configuration and 40µA for the 100kΩ configuration.
Note 3: The wiper resistance is measured assuming the source currents given in Note 2.
Note 4: Device draws current in excess of the specified supply current when a digital input is driven with a voltage of V
IN
< V
CC
-
0.6V or V
IN
> 0.5V. This is due to the CMOS input stage crowbar current. At V
IN
= 2.4V with V
CC
= 5.25V, this supply current
can be as high as 1.6mA.
Note 5: Guaranteed by design and characterization.