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Description

General part information

MAX549 Series

The MAX5492 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 MAX5492 includes an extremely low-resistance-ratio temperature drift of 1.5ppm/°C (typ) over -55°C to +125°C, and has an end-to-end resistance of 10kΩ. Resistance ratios from 1:1 to 10:1 are available. Five standard ratios are available (see Table 1) in the full data sheet, and custom ratios are also available upon request. To enhance device and system robustness, the MAX5492 features ±2kV Human Body Model electrostatic discharge (ESD) protection to ensure against realworld ESD events. The MAX5492 is ideal for precision gain-setting applications where tight resistance matching and low temperature drift are necessary.The MAX5492 is available in a space-saving 5-pin SOT23 package, and is guaranteed over the military -55°C to +125°C temperature range.ApplicationsAutomated Test Equipment (ATE)Industrial Process ControlsInstrumentationMedical EquipmentPrecision Gain SettingWireless Base Stations

Technical Specifications

Parameters and characteristics for this part

SpecificationMAX5491NC01500+T
ApplicationsVoltage Divider (TCR Matched)
Circuit TypeVoltage Divider
Height - Seated (Max)0.044 in
Mounting TypeSurface Mount
Number of Pins3
Number of Resistors2
Operating Temperature (Max)85 °C
Operating Temperature (Min)-40 °C
Package / CaseTO-236-3, SOT-23-3, SC-59
Package NameSOT-23-3
Power Per Element87.5 mW
Resistance18 kOhm, 12 kOhm
Resistor Matching Ratio (Tolerance)0.1 %
Resistor Ratio Drift2 ppm/°C
Size / Dimension Length0.115 in
Size / Dimension Width0.051 in
Temperature Coefficient35 ppm/°C

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