MAX5490RB03000-T MAXIM [Maxim Integrated Products], MAX5490RB03000-T Datasheet

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MAX5490RB03000-T

Manufacturer Part Number
MAX5490RB03000-T
Description
100k ?Precision-Matched Resistor-Divider in SOT23
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX5490RB03000-T.pdf (8 pages)
The MAX5490 precision resistor-divider consists of two
accurately matched resistors with access to the ends
and center of the divider. This device offers excellent
resistance matching of 0.035% (A grade), 0.05% (B
grade), and 0.1% (C grade). The MAX5490 provides an
extremely low resistance-ratio temperature drift of
1ppm/°C (typ) over -40°C to +85°C, and has an end-to-
end resistance of 100kΩ. Resistance ratios from 1:1 to
100:1 are available. Five standard ratios are available
(see Table 1), and custom ratios are also available upon
request. The MAX5490 is ideal for precision gain-setting
applications where tight resistance matching and low
temperature drift are necessary.
The MAX5490 is available in a space-saving 3-pin
SOT23 package, and is guaranteed over the extended
-40°C to +85°C temperature range.
19-3337; Rev 1; 8/04
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Industrial Process Control
Instrumentation
Precision Gain Setting
Medical Equipment
Automatic Test Equipment
Base Stations
100k Ω Precision-Matched Resistor-Divider in
P1
P2
________________________________________________________________ Maxim Integrated Products
General Description
MAX5490
R
R
2
1
Block Diagram
Applications
P3
♦ Resistance Ratios from 1:1 to 100:1
♦ Custom Ratios Available Upon Request
♦ Tight Initial Ratio Accuracy
♦ Low 1ppm/°C (typ) Resistor-Ratio-Drift
♦ Up to 80V Operating Voltage Across Sum of R1
♦ Tiny 3-Pin SOT23 Package
*See the How to Order section for more details.
M AX 5490
M AX 5490
M AX 5490
and R2
0.035% (MAX5490A)
0.05% (MAX5490B)
0.1% (MAX5490C)
TOP VIEW
PA R T
_
_
_
A
B
C
_ _ _ _ _
_ _ _ _ _
_ _ _ _ _
- T - 40° C to + 85°C 3 S O T23- 3
- T - 40° C to + 85°C 3 S O T23- 3
P1
- T - 40° C to + 85°C 3 S O T23- 3
P2
Ordering Information*
1
2
R A N G E
T EM P
MAX5490
SOT23
Pin Configuration
PIN -
PA C K A G E
3
P3
SOT23
Features
A C C U R A C Y
0.035
R A T IO
0.05
0.1
( % )
1

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MAX5490RB03000-T Summary of contents

Page 1

Rev 1; 8/04 100k Ω Precision-Matched Resistor-Divider in General Description The MAX5490 precision resistor-divider consists of two accurately matched resistors with access to the ends and center of the divider. This device offers excellent resistance matching of 0.035% (A ...

Page 2

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 = +70°C) A 3-Pin SOT23 (derate 7.1mW/°C above +70°C).........571.4mW 3-Pin SOT23 (θ ) .....................................................141°C/W J-A Stresses ...

Page 3

Precision-Matched Resistor-Divider in DC ELECTRICAL CHARACTERISTICS (continued -40°C to +85°C, unless otherwise noted. Typical values are Note 5: Resistance-ratio voltage coefficient is defined as Note 6: Calculate bandwidth by using (V = 10V, ...

Page 4

Precision-Matched Resistor-Divider in SOT23 (V = 10V +25°C, unless otherwise noted.) P1-P2 A SPECTRAL NOISE DENSITY 1000 RATIO 1:1 SIGNAL CONNECTED GROUNDED V P1-P2 100 P1- FREQUENCY ...

Page 5

Precision-Matched Resistor-Divider in P3 MAX5490 Figure 1. Inverting Amplifier Configuration IN P1 MAX5490 Figure 3. Buffered Attenuator _______________________________________________________________________________________ OUT = − ...

Page 6

... RESISTANCE RATIO Five number ratio designator. Ratios available from 1:1 to 100:1. Format examples: 01000 = 1:1 02500 = 2.5:1 07538 = 7.538:1 00000 = 100:1 TAPE AND REEL Example Part Numbers PART NUMBER RESISTOR-RATIO RANGE MAX5490PA02500-T MAX5490RB03000-T MAX5490UA07538-T MAX5490VC10000-T 6 _______________________________________________________________________________________ MAX 5490 V RESISTOR-RATIO ACCURACY (% MAX) 2.000 to 2.999 0.035 3 ...

Page 7

Precision-Matched Resistor-Divider in Table 1. Standard Ratios* PART NUMBER RESISTOR RATIO MAX5490GA01000-T MAX5490GB01000-T MAX5490GC01000-T MAX5490MA02000-T MAX5490MB02000-T MAX5490MC02000-T MAX5490TA05000-T MAX5490TB05000-T MAX5490TC05000-T MAX5490VA10000-T MAX5490VB10000-T MAX5490VC10000-T MAX5490XA25000-T MAX5490XB25000-T MAX5490XC25000-T *Standard ratios are available for ordering in any quantity. Nonstandard ratios are ...

Page 8

Precision-Matched Resistor-Divider in SOT23 (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry other than ...

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