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MAX7491CEE+

更新时间： 2024-11-27 11:14:55
品牌 Logo 应用领域
美信 - MAXIM 有源滤波器过滤器开关光电二极管信息通信管理通用开关LTE
页数 文件大小 规格书
18页 240K
描述
Dual Universal Switched-Capacitor Filters

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中文翻译

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MAX7491CEE+ 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：SOIC
包装说明：SSOP, SSOP16,.25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.75Is Samacsys：N
有源滤波器类型：SWITCHED CAPACITOR FILTER其他特性：CHEBYSHEV TRANSFER CHARACTERISTIC ALSO SUPPORTED
中心频率或截止频率最大范围：40 kHz中心频率或截止频率最小范围：0.001 kHz
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：4.89 mm湿度敏感等级：1
功能数量：2端子数量：16
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：SSOP封装等效代码：SSOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260极和零点：2 AND 0
电源：3 V认证状态：Not Qualified
响应：UNIVERSAL座面最大高度：1.73 mm
子类别：Active Filters最大供电电流 (Isup)：4 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：BICMOS温度等级：COMMERCIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED传递特性：BUTTERWORTH/BESSEL/ELLIPTIC
宽度：3.9 mmBase Number Matches：1

MAX7491CEE+ 数据手册

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19-1768; Rev 1; 4/09  
Dual Universal Switched-Capacitor Filters  
0/MAX7491  
General Description  
Features  
The MAX7490/MAX7491 consist of two identical low-  
power, low-voltage, wide dynamic range, rail-to-rail,  
2nd-order switched-capacitor building blocks. Each of  
the two filter sections, together with two to four external  
resistors, can generate all standard 2nd-order func-  
tions: bandpass, lowpass, highpass, and notch (band  
reject). Three of these functions are simultaneously  
available. Fourth-order filters can be obtained by cas-  
cading the two 2nd-order filter sections. Similarly, high-  
er order filters can easily be created by cascading  
multiple MAX7490/MAX7491s.  
o Dual 2nd-Order Filter in a 16-Pin QSOP Package  
o High Accuracy  
Q Accuracy: 0.2%  
Clock-to-Center Frequency Error: 0.2%  
o Rail-to-Rail Input and Output Operation  
o Single-Supply Operation: +5V (MAX7490)  
or +3V (MAX7491)  
o Internal or External Clock  
o Highpass, Lowpass, Bandpass, and Notch Filters  
o Clock-to-Center Frequency Ratio of 100:1  
Two clocking options are available: self-clocking  
(through the use of an external capacitor) or external  
clocking for tighter cutoff frequency control. The clock-  
to-center frequency ratio is 100:1. Sampling is done at  
twice the clock frequency, further separating the cutoff  
frequency and Nyquist frequency.  
o Internal Sampling-to-Center Frequency Ratio  
of 200:1  
o Center Frequency up to 40kHz  
The MAX7490/MAX7491 have an internal rail splitter  
that establishes a precise common voltage needed for  
single-supply operation. The MAX7490 operates from a  
single +5V supply and the MAX7491 operates from a  
single +3V supply. Both devices feature a low-power  
shutdown mode and come in a 16-pin QSOP package.  
o Easily Cascaded for Multipole Filters  
o Low-Power Shutdown: < 1µA Supply Current  
Ordering Information  
SUPPLY  
VOLTAGE  
(+V)  
________________________Applications  
PIN-  
PACKAGE  
PART  
TEMP RANGE  
Tunable Active Filters  
Multipole Filters  
MAX7490CEE+  
MAX7490EEE+  
MAX7491CEE+  
MAX7491EEE+  
0°C to +70°C 16 QSOP  
-40°C to +85°C 16 QSOP  
0°C to +70°C 16 QSOP  
-40°C to +85°C 16 QSOP  
5
5
3
3
ADC Anti-Aliasing  
Post-DAC Filtering  
Adaptive Filtering  
Phase-Locked Loops (PLLs)  
Set-Top Boxes  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
Pin Configuration  
TOP VIEW  
+
LPA  
BPA  
1
2
3
4
5
6
7
8
16 LPB  
15 BPB  
NA/HPA  
INVA  
14 NB/HPB  
Typical Application Circuit appears at end of data sheet.  
MAX7490  
MAX7491  
13 INVB  
12 SB  
SA  
SHDN  
GND  
11 COM  
10 EXTCLK  
V
9
CLK  
DD  
QSOP  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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中文翻译

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MAX7491CEE+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX7491CEE+T MAXIM

完全替代

 Switched Capacitor Filter, 2 Func, Butterworth/bessel/elliptic, Universal, BICMOS, PDSO16,
MAX7491EEE MAXIM

完全替代

 Dual Universal Switched-Capacitor Filters
MAX7491EEE+ MAXIM

类似代替

 Dual Universal Switched-Capacitor Filters

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MAX7491CEE+T MAXIM

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MAX7491CEE-T MAXIM

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MAX7491EEE+ MAXIM

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MAX7491EEE-T MAXIM

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