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MAX291ESA+

Switched Capacitor Filter, Butterworth, Lowpass, 8th, 1, 4.75 V, 11 V, NSOIC

ANALOG DEVICES MAX291ESA+
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Manufacturer Part No:
MAX291ESA+
Order Code:
2516117
Technical Datasheet:
MAX291ESA+   Datasheet
See all Technical Docs

Product Overview

The MAX291ESA+ is an 8th order low pass switched capacitor butterworth filter in 8 pin NSOIC package. It provides maximally flat passband response. This filter has fixed responses so the design task is limited to selecting clock frequency that controls filter's corner frequency. An external capacitor is used to generate clock using internal oscillator or an external clock signal can be used. An uncommitted operational amplifier (non inverting input grounded) is provided for building a continuous time low pass filter for post filtering or anti aliasing. The MAX291 delivers very aggressive performance from a tiny area requiring a minimum of external components. This device is used in ADC anti aliasing filtering, noise analysis, DAC post filtering and 50Hz/60Hz line noise filtering.
  • Supply voltage range from 4.75V to 11V and ±2.375V to ±5.5V
  • Operating temperature range from -40°C to 85°C
  • Clock tuneable corner frequency range from 0.1Hz to 25KHz
  • Internal or external clock
  • 100:1 clock to corner frequency ratio
  • Low noise of -70dB (THD + noise)
  • Operates with single +5V supply or dual ±5V supplies
  • Insertion gain relative to DC gain is -76dB (fIN = 3.00 Fo)
  • Internal oscillator frequency of 35KHz
  • 50Hz/60Hz Line-Noise Filtering; ADC Anti-Aliasing Filter; DAC Post-Filtering; Noise Analysis

Applications

Signal Processing

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
Lowpass

:
8th

:
1

:
4.75V

:
11V

:
NSOIC

:
8Pins

:
25kHz

:
35kHz

:
-40°C

:
85°C

:
-

:
MSL 1 - Unlimited

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Technical Documents (2)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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1,431 UK stock available for 3-4 business days delivery

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

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