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MAX7480

更新时间： 2024-11-26 22:55:11

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
8页	89K
描述
8th-Order, Lowpass, Butterworth, Switched-Capacitor Filter

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数据手册

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MAX7480 数据手册

19-1416; Rev 0; 1/99

8 t h -Ord e r, Lo w p a s s , Bu t t e rw o rt h ,

S w it c h e d -Ca p a c it o r Filt e r

MAX7480

Ge n e ra l De s c rip t io n

Fe a t u re s

The MAX7480 8th-ord e r, lowp a s s , Butte rworth,

switched-capacitor filter (SCF) operates from a single

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

c urre nt a nd a llows c orne r fre q ue nc ie s 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.

♦ 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

Two c loc king op tions a re a va ila b le : s e lf-c loc king

(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.

2.9mA (Operating Mode)

0.2µA (Shutdown Mode)

♦ Available in 8-Pin SO/DIP Package

♦ Low Output Offset: ±5mV

The MAX7480 Butterworth filter provides a maximally

flat passband response. The fixed response simplifies

the design task to selecting a clock frequency.

Ord e rin g In fo rm a t io n

Ap p lic a t io n s

ADC Anti-Aliasing

Post-DAC Filtering

PART

TEMP. RANGE

-40°C to +85°C

PIN-PACKAGE

8 SO

MAX7480ESA

MAX7480EPA

8 Plastic DIP

P in Co n fig u ra t io n

Typ ic a l Op e ra t in g Circ u it

TOP VIEW

SUPPLY

COM

CLK

SHDN

0.1µF

SHDN

OUT

MAX7480

GND

INPUT

OUTPUT

OUT

MAX7480

GND

SO/DIP

CLOCK

CLK

COM

0.1µF

________________________________________________________________ Maxim Integrated Products

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.

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与MAX7480相关器件

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MAX7480EPA	MAXIM	获取价格	8th-Order, Lowpass, Butterworth, Switched-Capacitor Filter
MAX7480EPA+	MAXIM	获取价格	Switched Capacitor Filter, 1 Func, Butterworth, Lowpass, PDIP8, PLASTIC, DIP-8
MAX7480ESA	MAXIM	获取价格	8th-Order, Lowpass, Butterworth, Switched-Capacitor Filter
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