部品番号 : AD8253
詳細 : 10 MHz, 20 V/μs, G = 1, 10, 100, 1000 iCMOS Programmable Gain Instrumentation Amplifier
メーカー : Analog Devices
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部品情報 :
GENERAL DESCRIPTION
The AD8253 is an instrumentation amplifier with digitally programmable gains that has gigaohm (GΩ) input impedance, low output noise, and low distortion, making it suitable for interfacing with sensors and driving high sample rate analog-to-digital converters (ADCs). It has a high bandwidth of 10 MHz, low THD of −110 dB, and fast settling time of 780 ns (maximum) to 0.001%. Offset drift and gain drift are guaranteed to 1.2 μV/°C and 10 ppm/°C, respectively, for G = 1000. In addition to its wide input common voltage range, it boasts a high common-mode rejection of 100 dB at G = 1000 from dc to 20 kHz. The combination of precision dc performance coupled with high speed capabilities makes the AD8253 an excellent candidate for data acquisition. Furthermore, this monolithic solution simplifies design and manufacturing and boosts performance of instrumentation by maintaining a tight match of internal resistors and amplifiers.
FEATURES
Small package: 10-lead MSOP
Programmable gains: 1, 10, 100, 1000
Digital or pin-programmable gain setting
Wide supply: ±5 V to ±15 V
Excellent dc performance
High CMRR: 100 dB (minimum), G = 100
Low gain drift: 10 ppm/°C (maximum)
Low offset drift: 1.2 μV/°C (maximum), G = 1000
Excellent ac performance
Fast settling time: 780 ns to 0.001% (maximum)
High slew rate: 20 V/μs (minimum)
Low distortion: −110 dB THD at 1 kHz,10 V swing
High CMRR over frequency: 100 dB to 20 kHz (minimum)
Low noise: 10 nV/√Hz, G = 1000 (maximum)
Low power: 4 mA
APPLICATIONS
Data acquisition
Biomedical analysis
Test and measurement
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AD8253,AD8253-EVALZ,AD8253ARMZ,AD8253ARMZ-R7,AD8253ARMZ-RL
