Datasheet > MAX291_V01

MAX291_V01

更新时间： 2024-10-01 02:49:27

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
10页	350K
描述
8th-Order, Lowpass, Switched-Capacitor Filters

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MAX291_V01 数据手册

MAX291/MAX292/

MAX295/MAX296

8th-Order, Lowpass,

Switched-Capacitor Filters

General Description

Features

o 8th-Order Lowpass Filters:

The MAX291/MAX292/MAX295/MAX296 are easy-to-use,

8th-order, lowpass, switched-capacitor filters that can be

set up with corner frequencies from 0.1Hz to 25kHz

(MAX291/MAX292) or 0.1Hz to 50kHz (MAX295/MAX296).

Butterworth (MAX291/MAX295)

Bessel

(MAX292/MAX296)

o Clock-Tunable Corner-Frequency Range:

0.1Hz to 25kHz (MAX291/MAX292)

0.1Hz to 50kHz (MAX295/MAX296)

o No External Resistors or Capacitors Required

o Internal or External Clock

The MAX291/MAX295 Butterworth filters provide maxi-

mally flat passband response, and the MAX292/MAX296

Bessel filters provide low overshoot and fast settling. All

four filters have fixed responses, so the design task is

limited to selecting the clock frequency that controls the

filter’s corner frequency.

o Clock to Corner Frequency Ratio:

100:1 (MAX291/MAX292)

An external capacitor is used to generate a clock using

the internal oscillator, or an external clock signal can be

used. An uncommitted operational amplifier (noninverting

input grounded) is provided for building a continuous-

time lowpass filter for post-filtering or anti-aliasing.

50:1 (MAX295/MAX296)

o Low Noise: -70dB THD + Noise (Typ)

o Operate with a Single +5V Supply or

Dual 5V Supplies

Produced in an 8-pin DIP/SO and a 16-pin wide SO

package, and requiring a minimum of external compo-

nents, the MAX291 series delivers very aggressive per-

formance from a tiny area.

o Uncommitted Op Amp for Anti-Aliasing or Clock-

Noise Filtering

o 8-Pin DIP and SO Packages

Ordering Information

Applications

ADC Anti-Aliasing Filter

Noise Analysis

PART

TEMP. RANGE

0°C to +70°C

-40°C to +85°C

-55°C to +125°C

PIN-PACKAGE

8 Plastic DIP

8 SO

16 Wide SO

Dice*

8 Plastic DIP

8 SO

16 Wide SO

8 CERDIP**

MAX291CPA

MAX291CSA

MAX291CWE

MAX291C/D

MAX291EPA

MAX291ESA

MAX291EWE

MAX291MJA

DAC Post-Filtering

50Hz/60Hz Line-Noise Filtering

Ordering Information continued at end of data sheet.

* Contact factory for dice specifications.

Typical Operating Circuit

** Contact factory for availability and processing to MIL-STD-883.

+5V

Pin Configurations

V+

TOP VIEW

INPUT

OUT

OUTPUT

OP OUT

CLK

V-

MAX29_

V+

MAX29_

CLOCK

CLK

OP IN-

GND

OUT

OP OUT

OP IN-

V-

-5V

DIP/SO

Pin Configuration is 8-pin DIP/SO.

16-pin Wide SO at end of data sheet.

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.

19-4526; Rev 5; 5/10

12 3 4 5 6 7...10

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与MAX291_V01相关器件

型号	品牌	获取价格	描述	数据表
MAX291C/D	MAXIM	获取价格	8th-Order, Lowpass, Switched-Capacitor Filters
MAX291CPA	MAXIM	获取价格	8th-Order, Lowpass, Switched-Capacitor Filters
MAX291CPA+	MAXIM	获取价格	Switched Capacitor Filter, 1 Func, Butterworth, Lowpass, PDIP8, PLASTIC, DIP-8
MAX291CSA	MAXIM	获取价格	8th-Order, Lowpass, Switched-Capacitor Filters
MAX291CSA+	MAXIM	获取价格	暂无描述
MAX291CSA+T	MAXIM	获取价格	暂无描述
MAX291CSA-T	MAXIM	获取价格	Switched Capacitor Filter, 1 Func, Butterworth, Lowpass, PDSO8, SOP-8
MAX291CWE	MAXIM	获取价格	8th-Order, Lowpass, Switched-Capacitor Filters
MAX291CWE+	MAXIM	获取价格	Switched Capacitor Filter, 1 Func, Butterworth, Lowpass, PDSO16, SOP-16
MAX291CWE+T	MAXIM	获取价格	Switched Capacitor Filter, 1 Func, Butterworth, Lowpass, PDSO16, SO-16

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