参数资料
型号: MAX5491UA07538+T
厂商: Maxim Integrated Products
文件页数: 1/7页
文件大小: 0K
描述: RES NET MULT OHM 2 RES SOT-23
产品培训模块: Precision Resistor Networks
Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: MAX5491
电路类型: 分压器
电阻(欧姆): 3.514k,26.486k
电阻数: 2
引脚数: 3
每个元件的功率: 87.5mW
容差: ±0.035%
温度系数: ±35ppm/°C
安装类型: 表面贴装
封装/外壳: TO-236-3,SC-59,SOT-23-3
供应商设备封装: SOT-23-3
尺寸/尺寸: 0.115" L x 0.051" W(2.92mm x 1.30mm)
高度: 0.044"(1.12mm)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
19-3009; Rev 3; 12/04
Precision-Matched Resistor-Divider in SOT23
General Description
The MAX5491 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 MAX5491 includes an
extremely low resistance-ratio temperature drift of
2ppm/°C over -40°C to +85°C, and has an end-to-end
resistance of 30k ? . Resistance ratios from 1:1 to 30:1 are
available. Ten standard ratios are available (see Table
1), and custom ratios are also available upon request. To
enhance device and system robustness, the MAX5491
also features ±2kV Human Body Model electrostatic dis-
charge (ESD) protection to ensure against real-world
ESD events. The MAX5491 is ideal for precision gain-set-
ting applications where tight resistance matching and
low temperature drift are necessary.
The MAX5491 is available in a space-saving 3-pin
SOT23 package, and is guaranteed over the extended
-40°C to +85°C temperature range.
Applications
Features
? Resistance Ratios from 1:1 to 30:1
? Custom Ratios Available Upon Request
? ±2kV Human Body Model ESD Protection
? Tight Initial Ratio Accuracy
0.035% (MAX5491A)
0.05% (MAX5491B)
0.1% (MAX5491C)
? Low 2ppm/ ° C Resistor-Ratio-Drift
? Up to 50V Operating Voltage Across Sum of R1
and R2
? Tiny 3-Pin SOT23 Package
Ordering Information*
Industrial Process Control
Instrumentation
Precision Gain Setting
PART
TEMP
RANGE
PIN-
PACKAGE
RATIO
ACCURACY
(%)
Medical Equipment
Automatic Test Equipment
Base Stations
MAX5491 _ A _ _ _ _ _ -T -40°C to +85°C 3 SOT23-3
MAX5491 _ B _ _ _ _ _ -T -40°C to +85°C 3 SOT23-3
MAX5491 _ C _ _ _ _ _ -T -40°C to +85°C 3 SOT23-3
* See the How to Order section for more details.
0.035
0.05
0.1
Block Diagram
TOP VIEW
Pin Configuration
P1
MAX5491
R 1
P1
1
P2
R 2
P3
P2 2
MAX5491
SOT23
3
P3
________________________________________________________________ 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
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