Datasheet

MAX5430/MAX5431
±15V Digitally Programmable
Precision Voltage-Dividers for PGAs
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
DD
= +15V, V
SS
= -15V, GND = 0, T
A
= T
MIN
to T
MAX
. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 1: All devices are 100% production tested at T
A
= +25°C. SOT23 packages are guaranteed by design from T
A
= T
MIN
to T
MAX.
Note 2: Gain accuracy is measured without load at pin W.
V
DD
to GND............................................................-0.3V to +17V
V
SS
to GND.............................................................-17V to +0.3V
D0, D1 to GND .........................................................-0.3V to +6V
H, L, W, MATCH_ to GND ................(V
SS
- 0.3V) to (V
DD
+ 0.3V)
Current Into Any Signal Pin...............................................±50mA
Continuous Power Dissipation (T
A
= +70°C)
8-Pin SOT23 (derate 8.9mW/°C above +70°C)............714mW
10-Pin µMAX (derate 10.3mW/°C above +70°C) .........825mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-60°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DC PERFORMANCE
MAX543_A
0.025
MAX543_B
0.09
Divider Ratio Accuracy
(Note 2)
V
H
= +5V, V
L
= -5V
MAX543_C 0.5
%
Resistance between H and L
(Figure 1)
R
HL
57 kΩ
Capacitance at Analog Pins
C
ANALOG
2pF
Ratio = 1 0.5
Matching Resistor
Ratio = 2, 4, 8 14
kΩ
Ratio = 1 0.5
Wiper Resistance R
W
Ratio = 2, 4, 8 14
kΩ
W, H, L, MATCH_H, MATCH _L
Voltage Range
V
ANALOG
V
SS
V
DD
V
DIGITAL INPUTS
Input High Voltage V
IH
2.4 V
Input Low Voltage V
IL
0.8 V
Input Leakage Current D0, D1 = 5V or GND ±1 µA
Input Capacitance C
IN
5pF
POWER REQUIREMENTS
Negative Supply Current I
SS
125µA
Positive Supply Current I
DD
35 60 µA
Positive Power-Supply Voltage V
DD
10.8 15.75
V
Negative Power-Supply Voltage
V
SS
-15.75
0V
DYNAMIC PERFORMANCE
Switching Time
t
D2W
,
t
H2W
0.3 µs