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Series Information for AD581TH - Analog Devices


  • feature
    Laser trimmed to high accuracy 10.000 V u00b15 mV (L and U models) Trimmed temperature coefficient 5 ppm/u00b0C maximum, 0u00b0C to 70u00b0C (L model) 10 ppm/u00b0C maximum, u221255u00b0C to +125u00b0C (U model) Excellent long-term stability 25 ppm/1000 hrs (noncumulative) u221210 V reference capability Low quiescent current: 1.0 mA maximum 10 mA current output capability 3-pin TO-5 package MIL-STD-883 compliant versions available



The AD581 is a 3-pin, temperature compensated, monolithic, band gap voltage reference that provides a precise 10.00 V output from an unregulated input level ranging from 12 V to 30 V. Laser wafer trimming (LWT) is used to trim both the initial error at +25°C as well as the temperature coefficient, resulting in high precision performance previously available only in expen- sive hybrids or oven regulated modules. The 5 mV initial error tolerance and 5 ppm/°C guaranteed temperature coefficient of the AD581L is available in a monolithic voltage reference. The band gap circuit design used in the AD581 offers several advantages over classical Zener breakdown diode techniques. Most important, no external components are required to achieve full accuracy and significant stability to low power systems. In addition, total supply current to the device, including the output buffer amplifier (which can supply up to 10 mA) is typically 750 μA. The long-term stability of the band gap design is equivalent to selected Zener reference diodes. The AD581 is recommended for use as a reference for 8-, 10- or 12-bit digital-to-analog converters (DACs) that require an external precision reference. The device is also ideal for all types of analog-to-digital converters (ADCs) up to 14-bit accuracy, either successive approximation or integrating designs, and can generally offer better performance than that provided by standard self-contained references. The AD581J, AD581K, and AD581L are specified for operation from 0°C to 70°C; the AD581S, AD581T, and AD581U are specified for the −55°C to +125°C range. All grades are packaged in a hermetically sealed 3-pin TO-5 metal can.


Voltage Reference Type:
Series - Fixed
Product Range:
AD581 Series
Reference Voltage:
Initial Accuracy:
Temperature Coefficient:
± 15ppm/°C
Voltage Reference Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Automotive Qualification Standard:
RoHS Phthalates Compliant:
No SVHC (07-Jul-2017)
Input Voltage Max:
Input Voltage Min:
Reference Voltage Tolerance:
Reference Volts:

Alternate Descriptions

RS Components
V-Ref Precision 10V 10mA 3-Pin TO-5
Richardson RFPD
RS Components UK
V-Ref Precision 10V 10mA 3-Pin TO-5
RS Components DE
Spannungsreferenz AD581TH, Fest 40 V max. 10mA TO-5 3-Pin ±0.1 % Nennspannung : 10V Montage-Typ : Durchsteckmontage Topologie : Serie Line-Regulation : 0,005 %/V Load-Regulation : 500 μV/mA Abmessungen : 9.4 x 9.4 x 4.7mm Länge : 9.4mm Betriebstemperatur max. : +125 °C, Analog Devices
RS Components HK
V-Ref Precision 10V 10mA 3-Pin TO-5
RS Components JP
RS Components FR
V-Ref Precision 10V 10mA 3-Pin TO-5
RS Components CN
V-Ref Precision 10V 10mA 3-Pin TO-5
RS Components ES
V-Ref Precision 10V 10mA 3-Pin TO-5
RS Components NL
V-Ref Precision 10V 10mA 3-Pin TO-5
RS Components NO
V-Ref Precision 10V 10mA 3-Pin TO-5
RS Components US
V-Ref Precision 10V 10mA 3-Pin TO-5
RS Components SG
V-Ref Precision 10V 10mA 3-Pin TO-5
RS Components TW
V-Ref Precision 10V 10mA 3-Pin TO-5