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AD8295 - Precision Instrumentation Amplifier

General Description

The AD8295 contains all the components necessary for a precision instrumentation amplifier front end in one small 4 mm × 4 mm package.

It contains a high performance instrumentation amplifier, two general-purpose operational amplifiers, and two precisely matched 20 kΩ resistors.

Key Features

  • Saves board space Includes precision in-amp, 2 op amps, and 2 matched resistors 4 mm × 4 mm LFCSP No heat slug for more routing room Differential output fully specified In-amp specifications Gain set with 1 external resistor (gain range: 1 to 1000) Input voltage noise: 8 nV/√Hz maximum at 1 kHz CMRR (G = 1): 90 dB minimum Input bias current: 0.8 nA maximum.
  • 3 dB bandwidth (G = 1): 1.2 MHz Slew rate: 2 V/μs Wide power supply range: ±2.3 V to ±18 V 1 ppm/°C, 0.03% resistor matching CONNEC.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Precision Instrumentation Amplifier with Signal Processing Amplifiers AD8295 FEATURES Saves board space Includes precision in-amp, 2 op amps, and 2 matched resistors 4 mm × 4 mm LFCSP No heat slug for more routing room Differential output fully specified In-amp specifications Gain set with 1 external resistor (gain range: 1 to 1000) Input voltage noise: 8 nV/√Hz maximum at 1 kHz CMRR (G = 1): 90 dB minimum Input bias current: 0.8 nA maximum −3 dB bandwidth (G = 1): 1.2 MHz Slew rate: 2 V/μs Wide power supply range: ±2.3 V to ±18 V 1 ppm/°C, 0.03% resistor matching CONNECTION DIAGRAM +VS 16 OUT 15 A2 +IN 14 A2 –IN 13 12 A2 OUT –IN 1 AD8295 A2 RG 2 IA RG 3 A1 +IN 4 5 6 7 11 A1 +IN 10 A1 R1 R1 20kΩ R2 20kΩ 8 9 A1 –IN 07343-001 –VS REF A1 OUT A1 R2 Figure 1.