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MAX7410

MAX7410

5th-Order, Lowpass, Switched-Capacitor Filters

Smallest, Low-Power 5th-Order Filters

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Overview

Description

The MAX7409/MAX7410/MAX7413/MAX7414 5th-order, lowpass, switched-capacitor filters (SCFs) operate from a single +5V (MAX7409/MAX7410) or +3V (MAX7413/ MAX7414) supply. These devices draw only 1.2mA of supply current and allow corner frequencies from 1Hz to 15kHz, making them ideal for low-power post-DAC filtering and anti-aliasing applications. They feature a shutdown mode, which reduces the supply current to 0.2µA.

Two clocking options are available on these devices: self-clocking (through the use of an external capacitor) or external clocking for tighter corner-frequency control. An offset adjust pin allows for adjustment of the DC output level.

The MAX7409/MAX7413 Bessel filters provide low overshoot and fast settling, while the MAX7410/MAX7414 Butterworth filters provide a maximally flat passband response. Their fixed response simplifies the design task to selecting a clock frequency.
MAX7409, MAX7410, MAX7413, MAX7414: Typical Operating Circuit MAX7409, MAX7410, MAX7413, MAX7414: Typical Operating Circuit Enlarge+

Key Features

  • 5th-Order Lowpass Filters
    • Bessel Response (MAX7409/MAX7413)
    • Butterworth Response (MAX7410/MAX7414)
  • Clock-Tunable Corner Frequency (1Hz to 15kHz)
  • Single-Supply Operation
    • +5V (MAX7409/MAX7410)
    • +3V (MAX7413/MAX7414)
  • Low Power
    • 1.2mA (operating mode)
    • 0.2µA (shutdown mode)
  • Available in 8-Pin µMAX®/DIP Packages
  • Low Output Offset: ±4mV
  • Single 5th-order, Bessel and Butterworth switched-capacitor filters. 15kHz maximum F (c)

Applications/Uses

  • ADC Anti-Aliasing
  • Air-Bag Electronics
  • CT2 Base Stations
  • DAC Post-Filtering
  • Speech Processing

Parametric Specs

Part NumberFilter SectionsOrder Per Filter SectionFilter ClassFilter TypeFilter CharacteristicProgram MethodLowest Cutoff
(Hz)		Highest Cutoff
(kHz)		VSUPPLY
(V)		Oper. Temp.
(°C)		Package/PinsBudgetary
Price
maxminSee Notes
MAX7409 15Switched CapLowpassBesselClock1155
-40 to +85
0 to +70
PDIP/8
UMAX/8
$3.12 @1k
MAX7410 Butterworth5
PDIP/8
UMAX/8
$2.38 @1k
MAX7413 Bessel3
PDIP/8
UMAX/8
$3.27 @1k
MAX7414 Butterworth3
PDIP/8
UMAX/8
$2.47 @1k
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Design Resources


MAXFILTERBRD: Evaluation Kit for the MAX7408, MAX7409, MAX7410, MAX7411, MAX7412, MAX7413, MAX7414, MAX7415, MAX7418, MAX7419, MAX7420, MAX7421, MAX7422, MAX7423, MAX7424, and MAX7425

Technical Documents

Tutorial 4993 Reduce the Chances of Human Error: Part 2, Super Amps and Filters for Analog Interface
Tutorial 4422 Integrated solutions make analog filter design easy
Tutorial 928 Filter Basics: Anti-Aliasing
Tutorial 733 A Filter Primer
App Note 431 Switched-Capacitor IC Forms Notch Filter

Quality and Environmental Data

Product Reliability Reports: MAX7410.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

Quality And Environmental

Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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