參數(shù)資料
型號: MAX5490UA07538-T
廠商: Maxim Integrated Products, Inc.
英文描述: 100k зPrecision-Matched Resistor-Divider in SOT23
中文描述: 10萬зPrecision匹配電阻分壓器采用SOT23
文件頁數(shù): 1/8頁
文件大?。?/td> 111K
代理商: MAX5490UA07538-T
General Desc ription
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 100k
. 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.
Applic ations
Industrial Process Control
Instrumentation
Precision Gain Setting
Medical Equipment
Automatic Test Equipment
Base Stations
Features
Resistance Ratios from 1:1 to 100:1
Custom Ratios Available Upon Request
Tight Initial Ratio Accuracy
0.035% (MAX5490A)
0.05% (MAX5490B)
0.1% (MAX5490C)
Low 1ppm/
°
C (typ) Resistor-Ratio-Drift
Up to 80V Operating Voltage Across Sum of R1
and R2
Tiny 3-Pin SOT23 Package
M
100k
Prec ision-Matc hed Resistor-Divider in
S OT 23
________________________________________________________________
Maxim Integrated Products
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.
1
P2
1
3
P3
P1
MAX5490
SOT23
TOP VIEW
2
Pin Configuration
Ordering Information*
P1
P2
P3
MAX5490
R
2
R
1
Bloc k Diagram
19-3337; Rev 1; 8/04
*
See the How to Order section for more details.
PA R T
T EM P
R A N G E
PIN
PA C K A G E
R A T O
A C C U R A C Y
( %
M AX 5490
_
A
_ _ _ _ _
- T - 40° C to + 85°C 3 S O T23- 3
M AX 5490
_
B
_ _ _ _ _
- T - 40° C to + 85°C 3 S O T23- 3
M AX 5490
_
C
_ _ _ _ _
- T - 40° C to + 85°C 3 S O T23- 3
0.035
0.05
0.1
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