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MFG:DIP  Package Cooled:MAXIM  D/C:04+  

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Part Number: MAX7409

 

MFG: DIP

Package Cooled: MAXIM

D/C: 04+

Description: The MAX7409/MAX7410/MAX7413/MAX7414 5th-order, lowpass, switched-capacitor filters (SCFs) operate from...


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MAX7409 General 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 0.2A.

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 Maximum Ratings

ABSOLUTE MAXIMUM RATINGS
VDD to GND..............................................................-0.3V to +6V
IN, OUT, COM, OS, CLK, SHDN ....................-0.3V to (VDD + 0.3V)
OUT Short-Circuit Duration...................................................1sec
Continuous Power Dissipation (TA = +70°C)
8-Pin DIP (derate 9.09mW/°C above +70°C)...............727mW
8-Pin µMAX (derate 4.1mW/°C above +70°C) .............330mW
Operating Temperature Ranges
MAX74 _ _C_A ...................................................0°C to +70°C
MAX74 _ _E_A ................................................-40°C to +85°C
Storage Temperature Range ........................-65°C to +160°C
Lead Temperature (soldering, 10sec) ..........................+300°C

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

MAX7409 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)
   0.2A (shutdown mode)
Available in 8-Pin MAX/DIP Packages
Low Output Offset: ±4mV

MAX7409 Typical Application

ADC Anti-Aliasing
CT2 Base Stations
DAC Postfiltering
Speech Processing
Air-Bag Electronics

MAX7409 Connection Diagram

MAX7409  Connection Diagram

MAX7409 datasheet

MAX7409
PDF/DataSheet Download

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