MAX7421EUA+T The MAX7421EUA+T is a 5th-order, low-pass, switched-capacitor filter from Analog Devices. It operates from a single +5V supply and features a corner frequency up to 45kHz.
Mfr Part #:

MAX7421EUA+T

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX7421EUA+T is a 5th-order, low-pass, switched-capacitor filter from Analog Devices. It operates from a single +5V supply and features a corner frequency up to 45kHz.
✓ Total Stock: 8,218 pcs
$ Price Range: $1.74

MAX7421EUA+T Available from 1 distributor

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MAX7421EUA+T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Filter Order
Filter Type
Frequency
Lead Spacing
Mounting Type
Number of Filters
Operating Temperature
Storage Temperature
Supplier Device Package
Supply Current
Tape & Reel
Voltage

MAX7421EUA+T Description

Short technical summary and product information.

The MAX7421EUA+T is a 5th-order, low-pass, switched-capacitor filter designed for low-power applications. It operates from a single +5V supply and offers a clock-tunable corner frequency ranging from 1Hz to 45kHz. This filter provides an elliptic response, making it suitable for applications such as post-DAC filtering and anti-aliasing.

 

The device draws only 3mA of supply current in operating mode and can be placed in a shutdown mode that reduces current consumption to 0.2μA. It features a low output offset of ±4mV. The MAX7421EUA+T is available in an 8-pin uMAX package, suitable for surface mount applications.

 

Key features include single-supply operation, low power consumption, and a sharp rolloff with a 1.25 transition ratio. The filter's design simplifies the selection of a clock frequency for specific corner frequency requirements.

MAX7421EUA+T Quick Information

Product Type: Active Filter
Canonical Name: MAX7421EUA+T 5th-Order Elliptic Low Pass Switched-Capacitor Filter
Subcategory: Switched Capacitor Filters

MAX7421EUA+T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead Free

MAX7421EUA+T Estimated Pricing

Qty Low High
1+ $1.74 $1.74

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX7421EUA+T Features

  • 5th-order, low-pass, switched-capacitor filter.
  • Clock-tunable corner frequency up to 45kHz.
  • Single-supply operation from +5V.
  • Low power consumption: 3mA operating, 0.2μA shutdown.
  • Available in 8-pin uMAX package.

MAX7421EUA+T Applications

  • Ideal for DAC postfiltering.
  • Suitable for anti-aliasing applications.
  • Used in speech processing circuits.
  • Applicable in CT2 base stations.

MAX7421EUA+T FAQs

6 frequently asked questions generated from this part’s specifications.
What type of filter is the MAX7421EUA+T?

The MAX7421EUA+T is a 5th-order, low-pass, switched-capacitor filter with an elliptic response.

What is the corner frequency of the MAX7421EUA+T?

The corner frequency for the MAX7421EUA+T is up to 45kHz.

What is the operating voltage range for the MAX7421EUA+T?

The MAX7421EUA+T operates from a 4.5V to 5.5V supply.

What package is the MAX7421EUA+T available in?

The MAX7421EUA+T is available in an 8-pin uMAX/uSOP package, specifically an 8-TSSOP, 8-MSOP (0.118", 3.00mm Width).

What is the operating temperature range for this filter?

The MAX7421EUA+T has an operating temperature range of -40°C to +85°C.

What is the supply current consumption of the MAX7421EUA+T?

The MAX7421EUA+T consumes 3mA in operating mode and 0.2μA in shutdown mode.

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