AD8225

Precision Gain of 5 Instrumentation Amplifier AD8225 FEATURES No External Components Required Highly Stable, Factory Trimmed Gain of 5 Low Power, 1.2 mA Max Supply Current Wide Power Supply Range (؎1.7 V to ؎18 V) Single- and Dual-Supply Operation Excellent Dynamic Performance High CMRR 86 dB Min @ DC 80 dB Min to 10 kHz Wide Bandwidth 900 kHz 4 V to 36 V Single Supply High Slew Rate 5 V/␮s Min Outstanding DC Precision Low Gain Drift 5 ppm/؇C Max Low Input Offset Voltage 150 ␮V Max Low Offset Drift 2 ␮V/؇C Max Low Input Bias Current 1.2 nA Max APPLICATIONS Patient Monitors Current Transmitters Multiplexed Systems 4 to 20 mA Converters Bridge Transducers Sensor Signal Conditioning CMRR – dB FUNCTIONAL BLOCK DIAGRAM NC 1 –IN 2 +IN 3 –VS 4 AD8225 8 NC 7 +VS 6 VOUT 5 REF NC = NO CONNECT 140 130 120 110 100 90 80 HIGH PERFORMANCE IN AMP @ GAIN OF 5 70 AD8225 60 50 40 30 1 10 100 1k 10k 100k FREQUENCY – Hz Figure 1. Typical CMRR vs. Frequency GENERAL ...