AD8231-EP

Data Sheet FEATURES Digitally/pin-programmable gain G = 1, 2, 4, 8, 16, 32, 64, or 128 Specified from −55°C to +125°C 50 nV/°C maximum input offset drift 10 ppm/°C maximum gain drift Excellent dc performance 80 dB minimum CMR, G = 1 15 µV maximum input offset voltage 500 pA maximum bias current 0.7 µV p-p noise (0.1 Hz to 10 Hz) Good ac performance 2.7 MHz bandwidth, G = 1 1.1 V/μs slew rate Rail-to-rail output Shutdown/multiplex Extra op amp Single-supply range: 3 V to 6 V Dual-supply range: ±1.5 V to ±3 V ENHANCED PRODUCT FEATURES Supports defense and aerospace applications (AQEC standard) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline One assembly/test site One fabrication site Enhanced product change notification Qualification data available on request Zero Drift, Digitally Programmable Instrumentation Amplifier AD8231-EP FUNCTIONAL BLOCK DIAGRAM 16 A2 15 A1 14 A0 13 CS NC 1 –INA 2 +INA 3 LOGIC IN-AMP NC 4 AD8231-EP OP AMP 12 +VS 11 –VS 10 OUTA 9 REF SDN 5 +INB 6 –INB 7 OUTB 8 09707-001 Figure 1. Table 1. Instrumentation and Difference Amplifiers by Category High Low Performance Cost High Mil Low Digital Voltage Grade Power Gain AD8221 AD6231 AD628 AD620 AD6271 AD82311 AD82201 AD85531 AD629 AD621 AD8250 AD8222 AD524 AD8251 AD82241 AD526 AD85551 AD624 AD85561 AD85571 1 Rail-to-rail output. GENERAL DESCRIPTION The AD8231-EP is a low drift, rail-to-rail, instrumentation amplifier with software-programmable g...