Datasheet

MAX5420/MAX5421
Digitally Programmable Precision
Voltage Divider for PGAs
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +5V ±5%, V
SS
= -5V ±5% or V
SS
= GND, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
POWER SUPPLIES
Positive Supply Voltage V
DD
4.75 5.25
Negative Supply Voltage V
SS
0 -5.25
V
D1, D0 = V
DD
or GND 3 7
Positive Supply Current I
DD
D1, D0 = 3V 15 25
µA
D1, D0 = V
DD
or GND 3 7
Negative Supply Current I
SS
D1, D0 = 3V 15 25
µA
W, H, L, MATCH_L, MATCH_H
Voltage Range
V
SS
V
DD
V
Typical Operating Characteristics
(V
DD
= +5V, V
SS
= -5V, or V
SS
= GND, T
A
= +25°C, unless otherwise noted.) (Note 1)
0.0001
0.0004
0.0007
0.0010
MAX542_A DIVIDER RATIO ACCURACY
vs. TEMPERATURE
MAX5420/21 toc01
TEMPERATURE (
°
C)
RATIO ACCURACY (%)
-40
-15 10 35 60
85
V
H
= +5V
V
L
= -5V
RATIO = 1
0.0030
0.0034
0.0042
0.0038
0.0046
0.0050
-40 10-15 35 60 85
MAX542_A DIVIDER RATIO ACCURACY
vs. TEMPERATURE
MAX5420/21 toc02
TEMPERATURE (°C)
RATIO ACCURACY (%)
V
H
= +5V
V
L
= -5V
RATIO = 2
0
0.001
0.003
0.002
0.004
0.005
-40 10-15 35 60 85
MAX542_A DIVIDER RATIO ACCURACY
vs. TEMPERATURE
MAX5420/21 toc03
TEMPERATURE (
°
C)
RATIO ACCURACY (%)
V
H
= +5V
V
L
= -5V
RATIO = 4