MAX264

引脚可编程的通用及带通滤波器


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说明

The MAX263/264 and MAX267/268 CMOS switched-capacitor active filters are designed for precision filtering applications. Center frequency, Q, and operating mode are all selected via pin-strapped inputs. The MAX263/264 uses no external components for a variety of bandpass, lowpass, highpass, notch and allpass filters. The MAX267/268 is dedicated to bandpass applications and includes an uncommitted op-amp. Two second-order filter sections are included in both devices.

An input clock and a 5-bit programming input precisely set the filter center/corner frequency. Q is also programmed from 0.5 to 64. Separate clock inputs for each filter half operate either an external clock or a crystal.

The MAX263 and 267 operate with center frequencies up to 57kHz while the MAX264 and 268 extend the f0 range to 140kHz by employing lower fCLK/f0 ratios. The MAX263/264 is supplied in 28 pin wide DIP and small outline packages while the MAX267/268 is supplied in 24 pin narrow DIP and wide SO packages. All devices are available in commercial, extended, and military temperature ranges.
MAX263、MAX264、MAX267、MAX268: 典型工作电路 MAX263、MAX264、MAX267、MAX268:典型工作电路 放大+

关键特性

  • 32-Step Center Frequency Control
  • 128-Step Q Control
  • Independent Q and f0 Programming
  • Guaranteed Clock to f0 Ratio—1% (A grade)
  • 75kHz f0 Range (MAX264/268)
  • Single +5V and ±5V Operation
Part NumberFilter SectionsOrder Per Filter SectionFilter ClassFilter TypeFilter CharacteristicProgram MethodLowest Cutoff
(Hz)
Highest Cutoff
(kHz)
VSUPPLY (Dual)
(±V)
VSUPPLY
(V)
Oper. Temp.
(°C)
Package/PinsBudgetary
Price
maxminDualSee Notes
MAX263 22Switched CapUniversalProgrammablePin Strap0.45755
-55 to +125
-40 to +85
0 to +70
PDIP/28
SOIC (W)/28
$14.48 @1k
MAX264 Universal11402.37 to 6.3
PDIP/28
SOIC (W)/28
$15.20 @500
MAX267 Bandpass0.4575
PDIP/24
SOIC (W)/24
$9.06 @1k
MAX268 Bandpass11405
CDIP/24
PDIP/24
SOIC (W)/24
$9.73 @1k
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Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

质量和环境数据

申请可靠性报告: MAX264 
无铅封装的锡(Sn)晶须报告
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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