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100k ? Precision-Matched Resistor-Divider in
SOT23
ABSOLUTE MAXIMUM RATINGS
Voltage Between P1 and P2.................................................100V
Maximum Current into Any Pin ......................................±1.00mA
Continuous Power Dissipation (T A = +70°C)
3-Pin SOT23 (derate 7.1mW/°C above +70°C).........571.4mW
3-Pin SOT23 ( θ J-A ) .....................................................141°C/W
Operating Temperature Range .........................-55°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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.
DC ELECTRICAL CHARACTERISTICS
(T A = -55°C to +125°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX5490_A, T A = +25°C
±0.035
Initial Resistor Ratio Error (Note 2)
MAX5490_B, T A = +25°C
MAX5490_C, T A = +25°C
±0.05
±0.1
%
Resistance-Ratio Temperature
Coefficient (Note 3)
1:1 ≤ ratio ≤ 10:1
10:1 ≤ ratio ≤ 25:1
1
2
2
4
ppm/°C
Absolute Temperature Coefficient
of Resistance
Voltage Coefficient of Resistance
TCR
VCR
(Note 4)
(Note 5)
35
0.1
ppm/°C
ppm/V
End-to-End Resistance (R 1 + R 2 )
Continuous Working Voltage
Between P1 and P2
Continuous Current
V P1-P2
T A = +25°C
I R1 , I R2
95
-80
100
105
+80
840
k ?
V
μA
P1, P2, P3 Capacitance
Maximum Power Rating
2
67.2
pF
mW
Resistance Ratio Long-Term
Stability
2000 hours at +70 ° C
± 0.03
%
-3dB Bandwidth
Thermal Noise
Current Noise
f 3dB
1:1 ratio (Note 6)
In accordance with MIL-STD-2020
method 30B
3
45
-25
MHz
μV RMS
dB
Note 1: The MAX5490 is 100% production tested at T A = +25°C. Specifications over -55°C to +125°C are guaranteed by design
and characterization.
Note 2: Testing conditions: T A = +25°C, V P1-P2 = 10V and 80V.
? ? 1 ?
Note 3: Resistance-ratio temperature coefficient is defined as
? R ?
? R 2 ?
and is guaranteed by design, not production tested.
For ratios from 25:1 to 100:1, contact factory.
R 1
R 2
× ? T
Note 4: Absolute TCR is defined as
? ( R 1 + R 2 )
( R 1 + R 2 ) × ? T
and is tested at 10V and 80V.
2
_______________________________________________________________________________________
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