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MAX294EWE+

Switched Capacitor Filter, Lowpass, 8th, 1, 4.75 V, 11 V, WSOIC

MAXIM INTEGRATED PRODUCTS MAX294EWE+
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Manufacturer Part No:
MAX294EWE+
Order Code:
2798948
Technical Datasheet:
MAX294EWE+   Datasheet
See all Technical Docs

Product Overview

The MAX294EWE+ from Maxim Integrated Products is an 8th order, low pass, elliptic switched capacitor filter in 8 pin WSOIC package. This easy to use switched capacitor filter can be set up with corner frequencies from 0.1Hz to 25KHz. The 1.2 transition ratio of MAX294 provides steepest roll-off and -58dB of stopband rejection. This filter has fixed responses, so the design task is limited to selecting clock frequency that controls the filter's corner frequency. An external capacitor is used to generate clock using internal oscillator or an external clock signal can be used. Steep roll-off and high order make this filter ideal for anti aliasing applications that require maximum bandwidth and for communication applications that require filtering signals in close proximity within the frequency domain. The MAX294 is used in DAC post filtering, data acquisition systems and voice/data signal filtering applications.
  • Supply voltage range from 4.75V to 11V (single supply), ±2.375V to ±5.5V (dual supply)
  • Operating temperature range from -40°C to 85°C
  • Internal or external clock
  • Clock to corner frequency ratio of 100:1
  • Operate with single +5V supply or dual ±5V supplies
  • Uncommitted op-amp for anti aliasing or clock noise filtering
  • Clock to corner frequency tempco is 7ppm/°C and passband ripple of 0.27dB
  • Insertion gain relative to DC gain is -0.11dB at fIN = 0.425Fo
  • Internal oscillator frequency is 35KHz at Cosc = 1000PF
  • Output offset voltage of ±150mV and supply current of 15mA (V+ = 5V, V- = -5V, Vclk = 0 to 5V)
  • Anti-Aliasing; DAC Post-Filtering; Data-Acquisition Systems; Voice/Data Signal Filtering

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

:
WSOIC

:
16Pins

:
25kHz

:
35kHz

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-40°C

:
85°C

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

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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