Rainbow-electronics MAX7480 Manual do Utilizador descarregar pdf

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

General Description

The MAX7480 8th-order, lowpass, Butterworth,

switched-capacitor filter (SCF) operates from a single

+5V supply. The device draws only 2.9mA of supply

current and allows corner frequencies from 1Hz to

2kHz, making it ideal for low-power post-DAC filtering

and anti-aliasing applications. The MAX7480 features a

shutdown mode, which reduces the supply current to

0.2µA.

Two clocking options are available: 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 MAX7480 Butterworth filter provides a maximally

flat passband response. The fixed response simplifies

the design task to selecting a clock frequency.

Applications

ADC Anti-Aliasing

Post-DAC Filtering

Features

♦ 8th-Order, Lowpass Butterworth Filter

♦ Low Noise and Distortion: -73dB THD + Noise

♦ Clock-Tunable Corner Frequency (1Hz to 2kHz)

♦ 100:1 Clock-to-Corner Ratio

♦ +5V Single-Supply Operation

♦ Low Power

2.9mA (Operating Mode)

0.2µA (Shutdown Mode)

♦ Available in 8-Pin SO/DIP Package

♦ Low Output Offset: ±5mV

MAX7480

8th-Order, Lowpass, Butterworth,

Switched-Capacitor Filter

________________________________________________________________

Maxim Integrated Products

OUTV

CLK

SHDNIN

GND

COM

SO/DIP

TOP VIEW

MAX7480

CLK

OUT

GND

INPUT

0.1µF

CLOCK

SHDN

OUTPUT

SUPPLY

COM

MAX7480

Typical Operating Circuit

19-1416; Rev 0; 1/99

Pin Configuration

Ordering Information

PART

MAX7480ESA

MAX7480EPA -40°C to +85°C

-40°C to +85°C

TEMP. RANGE PIN-PACKAGE

8 SO

8 Plastic DIP

1 2 3 4 5 6 7 8

Switched-Capacitor Filter 1

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For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.For small orders, phone 1-800-835-8769.General Descript

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MAX74808th-Order, Lowpass, Butterworth,Switched-Capacitor FilterMaxim cannot assume responsibility for use of any circuitry other than circuitry entir

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Rainbow-electronics MAX7480 Manual do Utilizador

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