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SLA64 (Preliminary)

Features

A 1 x 64 element silicon-based thermopile array. Each active area is 0.45mm x 2.0mm with a time constant of 42ms and a low Temperature Coefficient of Responsivity of -0.06%/°C. It is packaged in a 68-pin QIP. Includes internal 30kΩ 5% NTC chip thermistor provides ambient package temperature measurement. See Thermistor Options p/n: MT04.

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Thermistor Options 558.48 KB
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Applications

Spectral analysis and line temperature measurements.

Benefit

A linear array with large element size and no readout electronics.

Options

  • Please contact Dexter's sales team for information on optical window options.
  • SLA64 circuit overlay

    SLA64 circuit overlay

  • SLA64 Thermopile Detector

    SLA64 Thermopile Detector

Datasheet

For more detailed information see the datasheet:

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SLA64 748.96 KB
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Parameter Min Typical Max Symbol Units Comments
Active Area size 0.45 x 2.0 AA mm Hot junction size, per element.
Element Area 0.90 A mm2
Number of Junctions 18 Per element.
Number of Channels 1×64 Per detector package.
Output Voltage 29.3 31.8 34.2 Vs μV DC,  H=330μW/cm2 (3)
Signal-to-Noise Ratio 786 908 1,049 SNR √Hz DC, SNR=Vs/Vn
Responsivity 98.7 107.1 115.2 V/W DC, =Vs/HA  (2)
Resistance 65 75 85 R kΩ Detector element
Temperature Coefficient of -.06 %/°C Best linear fit, 0° to 85°C (1)
Temperature Coefficient of  R .11 %/°C Best fit, 0° to 85°C (1)
Noise Voltage 32.6 35.0 37.3 Vn nV/√Hz Vn2=4kTR
Noise Equivalent Power .28 .33 .38 NEP nW/√Hz DC,  NEP= VnHA/Vs (2)
Detectivity .79 .92 1.06 D* 108√Hz/W DC,  D*=Vs/ VnH√A  (2)
Time Constant 42 Τ ms Chopped, -3dB point (1)
Field of View N/A Not Applicable
Package Type 1.59 x 1.85″  68 pin QIP Standard package hole size: 0.236″ x 0.100″
Element Matching 15 30 M % M=|VA-VB|/VB (2)
Element Separation 0.5 mm Center to Center
Thermistor 30 kΩ 30kΩ 5% NTC at 25°C
Operating Temperature -50 100 Ta °C

General Specifications:

Flat spectral response from 100nm to > 100µm.  Linear signal output from 10-6 to 0.1W/cm2.
Maximum incident radiance 0.1W/cm2 , damage threshold ≥ .5W/cm2

Notes:

(1) Parameter is not 100% tested. 90% of all units meet these specifications.
(2)
A is detector area in cm2.
(3)
Test Conditions: 500K Blackbody source; Detector active surface 10cm from flat plate Blackbody, scaled to 330μW/cm2

Specifications apply at 23°C with 5μm LWP Si (L1) Window and Nitrogen encapsulating gas.

Export License Required

Technical Library

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    Introduction to Thermopile Detectors 157.34 KB
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    Infrared Radiation and Radiometry Introduction 131.12 KB
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    Emissivity Correction for a Radiometer 120.07 KB
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    Thermopile Time Constant Determination 102.89 KB
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