Datasheet AD8420 (Analog Devices) - 7

Data Sheet AD8420 ABSOLUTE MAXIMUM RATINGS Table 4. THERMAL RESISTANCE Parameter Rating
θJA is specified for a device in free air. Supply Voltage ±18 V
Table 5.
Output Short-Circuit Current Indefinite
Package θ
Maximum Voltage at −IN or +IN −V
JA Unit
S + 40 V Minimum Voltage at −IN or +IN −V 8-Lead MSOP, 4-Layer JEDEC Board 135 °C/W S − 0.5 V Maximum Voltage at REF or FB +VS + 0.5 V Minimum Voltage at REF or FB −VS − 0.5 V
ESD CAUTION
Storage Temperature Range −65°C to +150°C ESD Human Body Model 4 kV Charge Device Model 1.25 kV Machine Model 0.2 kV Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operation beyond the maximum operating conditions for extended periods may affect product reliability. Rev. A | Page 7 of 26 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE SETTING THE GAIN GAIN ACCURACY INPUT VOLTAGE RANGE INPUT PROTECTION Input Voltages Beyond the Rails Large Differential Input Voltage LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies Reference DRIVING THE REFERENCE PIN INPUT BIAS CURRENT RETURN PATH RADIO FREQUENCY INTERFERENCE (RFI) OUTPUT BUFFERING APPLICATIONS INFORMATION AD8420 IN ELECTROCARDIOGRAPHY (ECG) CLASSIC BRIDGE CIRCUIT 4 mA TO 20 mA SINGLE-SUPPLY RECEIVER OUTLINE DIMENSIONS ORDERING GUIDE