Precision-Matched Resistor-Divider in SOT23
Typical Operating Characteristics
(V P1-P2 = 10V, T A = +25°C, unless otherwise noted.)
400
NORMALIZED RESISTOR-RATIO DRIFT
vs. TEMPERATURE
400
NORMALIZED RESISTOR-RATIO DRIFT
vs. TEMPERATURE
300
200
100
0
-100
-200
-300
-400
V P1-P2 = 10V
RATIO = 1:1
300
200
100
0
-100
-200
-300
-400
V P1-P2 = 10V
RATIO = 5:1
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
Pin Description
PIN
1
2
3
NAME
P1
P2
P3
FUNCTION
R 1 Connection Terminal
R 2 Connection Terminal
Midpoint Between R 1 and R 2 Connection Terminals
Detailed Description
As shown in the Block Diagram , the MAX5491 consists
of two precision, low-ratio-drift resistors with an end-to-
end resistance of 30k ? (R 1 + R 2 ). P3 is the center tap
of the divider. The maximum working voltage of the
MAX5491 is 50V. This device offers a wide range of
resistance ratios (R 1 /R 2 ) from 1:1 to 30:1 and is ideally
suited for precision operational amplifier gain/attenua-
tion control. The MAX5491 features a ±2kV ESD protec-
tion that enhances system robustness. A maximum
initial ratio accuracy of 0.035% and a low 2ppm/ ° C ratio
drift enhance system accuracy.
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3
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相关代理商/技术参数
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MAX5491NB01500+ 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 30KOHM 3PIN SOT-23 - Rail/Tube
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MAX5491NC01500 制造商:Maxim Integrated Products 功能描述:PRECISION-MATCHED RESISTOR-DIVIDER - Rail/Tube
MAX5491NC01500+ 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 30KOHM 3PIN SOT-23 - Cut Tape Product
MAX5491NC01500+T 功能描述:电阻器网络与阵列 Precision Match Res/Divider RoHS:否 制造商:Vishay/Thin Film 产品类型:Networks 电路类型:Divider 电阻器数量: 电阻数值:10 kOhms 容差:0.1 % 温度系数: 管脚数量:3 工作温度范围:- 55 C to + 155 C 尺寸:1.02 mm W x 3.05 mm L x 1.4 mm H 引线间隔: 端接类型:SMD/SMT 封装:Reel