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MAX260BCNG+

更新时间： 2024-01-21 10:30:58
品牌 Logo 应用领域
美信 - MAXIM LTE光电二极管有源滤波器
页数 文件大小 规格书
26页 999K
描述
Switched Capacitor Filter, 2 Func, Digitally Programmable, Universal, CMOS, PDIP24, 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-24

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MAX260BCNG+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：DIP
包装说明：DIP, DIP24,.3针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.61有源滤波器类型：SWITCHED CAPACITOR FILTER
其他特性：IT CAN ALSO BE OPERATED FROM A SINGLE 5V SUPPLY中心频率或截止频率最大范围：10 kHz
中心频率或截止频率最小范围：0.00001 kHzJESD-30 代码：R-PDIP-T24
JESD-609代码：e3长度：30.545 mm
湿度敏感等级：1负电源电压最大值（Vsup）：-6.3 V
负电源电压最小值（Vsup）：-2.37 V标称负供电电压 (Vsup)：-5 V
功能数量：2端子数量：24
最高工作温度：70 °C最低工作温度：
阶次：2ND封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP24,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：260极和零点：2 AND 0
电源：+-2.5/+-5 V认证状态：Not Qualified
响应：UNIVERSAL座面最大高度：4.572 mm
子类别：Active Filters最大供电电流 (Isup)：20 mA
最大供电电压 (Vsup)：6.3 V最小供电电压 (Vsup)：2.37 V
标称供电电压 (Vsup)：5 V表面贴装：NO
技术：CMOS温度等级：COMMERCIAL
端子面层：Matte Tin (Sn)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30传递特性：DIGITALLY PROGRAMMABLE
宽度：7.62 mmBase Number Matches：1

MAX260BCNG+ 数据手册

 浏览型号MAX260BCNG+的Datasheet PDF文件第19页浏览型号MAX260BCNG+的Datasheet PDF文件第20页浏览型号MAX260BCNG+的Datasheet PDF文件第21页浏览型号MAX260BCNG+的Datasheet PDF文件第23页浏览型号MAX260BCNG+的Datasheet PDF文件第24页浏览型号MAX260BCNG+的Datasheet PDF文件第25页 
Microprocessor Programmable  
Universal Active Filters  
errors are predictable, tꢂe grapꢂs can be used to cor-  
rect tꢂe selected f and Q so tꢂat tꢂe actual realiHed  
0
parameters are on targetꢀ Tꢂese predicted errors are  
not unique to MAX260 series devices and, in fact,  
occur witꢂ all types of sampled filtersꢀ Consequently,  
tꢂese corrections can be applied to otꢂer switcꢂed  
capacitor filtersꢀ In tꢂe majority of cases, tꢂe errors are  
not significant, iꢀeꢀ, less tꢂan 1%, and correction is not  
neededꢀ ꢁowever, tꢂe MAX262 does employ a lower  
A 1V/DIV  
OV  
B 5mV/DIV  
OV  
C mV/DIV  
OV  
range of f  
/f ratios tꢂan tꢂe MAX260 or MAX261 and  
CLK 0  
is more prone to sampling errors, as tꢂe tables sꢂowꢀ  
Maxim's filter design software applies tꢂe previous cor-  
rections automatically as a function of desired f  
/f ,  
CLK 0  
1µs/div  
and Qꢀ Tꢂerefore, Figure 20 sꢂould not be used wꢂen  
TRACE B  
Maxim's software determines f and Qꢀ Tꢂis results in  
0
R, 10kΩ  
overcompensation of tꢂe sampling errors since tꢂe cor-  
rection factors are tꢂen counted twiceꢀ  
IN  
A
BPA  
TRACE C  
C, 1000pF  
Tꢂe data plotted in Figure 20 applies for modes 1 and  
MAX261  
CLK  
TRACE A  
500kHz TTL  
3ꢀ Wꢂen using Figure 20 for mode 4, tꢂe f error  
0
A
obtained from tꢂe grapꢂ sꢂould be multiplied by 1ꢀ5  
and tꢂe Q error sꢂould be multiplied by 3ꢀ0ꢀ In mode 2,  
tꢂe value of f  
/f sꢂould be multiplied by √2 and tꢂe  
CLK 0  
programmed Q sꢂould be divided by √2 before using  
Figure 17. MAX261 Bandpass Output Clock Noise  
tꢂe grapꢂsꢀ  
As witꢂ all sampled systems, frequency components of  
tꢂe input signal above one ꢂalf tꢂe sampling rate are  
aliasedꢀ In particular, input signal components near tꢂe  
sampling rate generate difference frequencies tꢂat  
often fall witꢂin tꢂe passband of tꢂe filterꢀ Sucꢂ aliased  
signals, wꢂen tꢂey appear at tꢂe output, are indistin-  
guisꢂable from real input informationꢀ For example, tꢂe  
aliased output signal generated wꢂen a 99kꢁH wave-  
f
CLK  
2
C
FB  
V
IN  
C
IN  
~5pF  
-
12pF  
+
form is applied to a filter sampling at 100kꢁH (f  
=
CLK  
2
200kꢁH) is 1kꢁHꢀ Tꢂis waveform is an attenuated ver-  
sion of tꢂe output tꢂat would result from a true 1kꢁH  
inputꢀ Remember tꢂat, witꢂ tꢂe MAX260 series filters,  
tꢂe nyquist rate (one ꢂalf tꢂe sample rate) is in fact  
R
=
IN  
C
f
IN CLK  
Figure 18. MAX260 Input Model  
f
/4, because f  
is internally divided by twoꢀ  
CLK  
CLK  
A simple, passive RC lowpass input filter is usually suf-  
ficient to remove input frequencies tꢂat can cause  
aliasingꢀ In many cases, tꢂe input signal itself may be  
band limited and require no special anti-alias filteringꢀ  
f
CLK  
2
C
B
C
FB  
Tꢂe wideband MAX262 uses lower f  
/f ratios tꢂan  
CLK 0  
0.016pF  
tꢂe MAX260/MAX261 and, for tꢂis reason, is more likely  
to require input filtering tꢂan tꢂe MAX260 or MAX281ꢀ  
-
V
IN  
+
~5pF  
Trimming DC Offset  
Tꢂe DC offset voltage at tꢂe LP or notcꢂ output can be  
adjusted witꢂ tꢂe circuit in Figure 21ꢀ Tꢂis circuit also  
uses tꢂe input op amp to implement a single-pole anti-  
alias filterꢀ Note tꢂat tꢂe total offset is generally less in  
multistage filters tꢂan wꢂen only one section is used,  
C 12pF  
A
2
750 C f  
R
=
IN  
A CLK  
Figure 19. MAX261/MAX262 Input Model  
22 ______________________________________________________________________________________  
1...1920212223242526

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MAX260BCWG MAXIM Microprocessor Programmable Universal Active Filters

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MAX260BCWG+ MAXIM Switched Capacitor Filter, 2 Func, Digitally Programmable, Universal, CMOS, PDSO24, 0.300

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MAX260BCWG-T MAXIM Switched Capacitor Filter, 2 Func, Digitally Programmable, Universal, CMOS, PDSO24, 0.300

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MAX260BENG MAXIM Microprocessor Programmable Universal Active Filters

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MAX260BENG+ MAXIM Switched Capacitor Filter, 2 Func, Digitally Programmable, Universal, CMOS, PDIP24, 0.300

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MAX260BENG-T MAXIM Switched Capacitor Filter, 2 Func, Digitally Programmable, Universal, CMOS, PDIP24, 0.300

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