Set of 2 x LT1101 Instrumentation - Amplifier DIP8 - MAXIM Semiconductors IC0251 : RADIOELEC : Electronics Components and Modules, specially for Audiophiles and Radio-Ham
App note: Current-sense amplifier doubles as a high common mode instrumentation amplifier – Dangerous Prototypes
Maxim MAX31855NASA+ Instrumentation Amplifier, Surface Mount, Price from Rs.659/unit onwards, specification and features