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Status
Part Number	Status	Replacement
MX581	This product is No Longer Available. See Ordering Information for recommended replacements.	MAX6176

Data Sheet

FULL DATA SHEET (PDF, 136kB) Download   E-Mail

Description

Maxim's MX581 is a three-terminal, temperaturecompensated, bandgap voltage reference which provides a precision 10V output from an unregulated input of 12.5V to 30V. Laser trimming is used to minimize initial error and temperature drift, to as low as 10mV and 15ppm/°C with the MX581. No external components are needed to achieve full accuracy over the operating temperature range. Total supply current to the device, including the internal output buffer amplifier is typically 750µA. The MX581 is designed for use with 8- to 14-bit ADCs and DACs as well as data acquisition systems. The reference is available in a 3-pin T0-39 metal can and an 8-pin SO surface-mount package.

Key Features		Applications/Uses
±10mV Tolerance (MX581K) Low Tempco—15ppm/°C max (MAX581K) No External Components or Trims Short-Circuit Proof Output Sources and Sinks Current 10mA Output Current Low-Supply Current—1.0mA (max) Three-Terminal Package		A/D Converter Reference CMOS DAC Reference Measurement Instrumentation Precision Analog Systems Threshold Detectors

Diagram

Typical Operating Circuit Pin Configuration

Application Notes

Application Note 754: Selecting the Right Series Voltage Reference for Absolute-Accuracy Voltage-Output DAC Designs - MX581

Reliability Reports

Show FIT data for: MX581 Request Reliability Report for: MX581

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-14 of 14

MX581	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MX581JH		N/A	No Longer Available	MAX6176	TO39;3 pin;86 mm² Outline Drawing: 21-0021 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: G39-3*	0°C to +70°C	See data sheet
MX581KH		N/A	No Longer Available	MAX6176	TO39;3 pin;86 mm² Outline Drawing: 21-0021 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: G39-3*	0°C to +70°C	See data sheet
MX581SH		N/A	No Longer Available	MAX6176	TO39;3 pin;86 mm² Outline Drawing: 21-0021 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: G39-3*	-55°C to +125°C	See data sheet
MX581SH/883B		N/A	No Longer Available	MAX6176	TO39;3 pin;86 mm² Outline Drawing: 21-0021 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: G39-3*	-55°C to +125°C	See data sheet
MX581TH		N/A	No Longer Available	MAX6176	TO39;3 pin;86 mm² Outline Drawing: 21-0021 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: G39-3*	-55°C to +125°C	See data sheet
MX581TH/883B		N/A	No Longer Available	MAX6176	TO39;3 pin;86 mm² Outline Drawing: 21-0021 (PDF) Land Pattern: Not Applicable Use pkgcode/variation: G39-3*	-55°C to +125°C	See data sheet
MX581JCSA+		N/A	No Longer Available	MAX6176	Land Pattern: Not Available	0°C to +70°C	See data sheet
MX581KCSA+		N/A	No Longer Available	MAX6176	Land Pattern: Not Available	0°C to +70°C	See data sheet
MX581JCSA		N/A	No Longer Available	MAX6176	SOIC(N);8 pin;31 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8-4*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
MX581JCSA-T		N/A	No Longer Available	MAX6176	Land Pattern: Not Available	0°C to +70°C	See data sheet
MX581KCSA		N/A	No Longer Available	MAX6176	SOIC(N);8 pin;31 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8-4*	0°C to +70°C	RoHS/Lead-Free: No Materials Analysis
MX581KCSA-T		N/A	No Longer Available	MAX6176	Land Pattern: Not Available	0°C to +70°C	See data sheet
MX581JCSA+T		N/A	No Longer Available	MAX6176	Land Pattern: Not Available	0°C to +70°C	See data sheet
MX581KCSA+T		N/A	No Longer Available	MAX6176	Land Pattern: Not Available	0°C to +70°C	See data sheet

Notes and Comments

Low-drift bandgap reference

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