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AD8494 Series Evaluation Board User Guide
UG-1421
One Technology Way • P. O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Te l: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluating the AD8494 to AD8497 Series Thermocouple Amplifiers
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
Rev. 0 | Page 1 of 9
FEATURES
J type or K type thermocouple (provided)
Low cost
Pretrimmed for J type or K type thermocouple
Internal cold junction compensation
Reference pin allows offset adjustment
EQUIPMENT NEEDED
±5 V dc power supply
GENERAL DESCRIPTION
This user guide is a description of functionality for the AD8494
series evaluation board. The evaluation board can be configured
for the AD8494, AD8495, AD8496, and AD8497 to ensure that
the metals and alloys are properly matched for the thermocouple
type for which the device is trimmed. The 4-layer evaluation
board (shown in Figure 1 and Figure 2 with different components)
is designed to allow users to quickly prototype the precision
thermocouple amplifiers for various user defined configurations for
different applications. The evaluation board has three modes of
operation: linear mode, setpoint controller mode, and hysteresis on
setpoint controller mode.
The AD8494/AD8495/AD8496/AD8497 data sheet is available
at www.analog.com. This data sheet provides additional
information on the AD8494, AD8495, AD8496, and AD8497
and must be consulted in conjunction with this user guide when
using the evaluation board.
EVALUATION BOARD PHOTOGRAPHS
17176-001
Figure 1. AD8494 Series Evaluation Board with J Type Female Thermocouple
Connector for AD8494 and AD8496
17176-101
Figure 2. AD8494 Series Evaluation Board with K Type Female Thermocouple
Connector for AD8495 and AD8497
