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| 型号： | MAX5491LA01000+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/7页 |
| 文件大小： | 0K |
| 描述： | RES NET 15K OHM 2 RES SOT23-8 |
| 产品培训模块： | Precision Resistor Networks Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | MAX5491 |
| 电路类型： | 分压器 |
| 电阻（欧姆）： | 15k |
| 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： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 产品目录页面： | 1399 (CN2011-ZH PDF) |
| 其它名称： | MAX5491LA01000+TDKR |
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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