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参数资料
| 型号： | MAX271EWG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC FILTER LOWPASS PROG 24-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 30 |
| 滤波器类型： | 连续时间低通 |
| 频率 - 截止或中心： | 25kHz |
| 滤波器数： | 2 |
| 滤波器阶数： | 2nd |
| 电源电压： | 4.74 V ~ 16 V，±2.37 V ~ 8 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
13
Maxim Integrated
Digitally-Programmed, Dual
2nd-Order Continuous Lowpass Filter
MAX270/MAX271
Applications Information
Power-Supply Configurations
The MAX270/MAX271 power supplies must be properly
bypassed. Best performance is achieved if V+ and V- are
bypassed to GND with 4.7F electrolytic (tantalum is pre-
ferred) and 0.1F ceramic capacitors in parallel. These
should be as close as possible to the chip supply pins.
Single supplies in the range of 4.75V to 16V may be
used to power the MAX270/MAX271 as shown in Figure
4. Digital logic may be referenced to V- (system ground),
but will not maintain TTL compatibility. CMOS (rail-to-
rail) logic recommended. For P-mode operation with a
single supply, the MAX270 A0 pin must be configure with
a voltage divider (Figure 4).
Lowest quiescent current in shutdown mode is achieved
when A0 is either at V+ or V-.
Independent fC Programming Without a P
Figure 6 shows how filter sections A and B may be pro-
grammed to different cutoff frequencies without the use
of a P. The MAX690 P supervisory circuit provides the
proper programming sequence when the circuit is pow-
ered up by controlling the 74HC373 data buffer and the
MAX270 addressing pin to load independent fC data for
filters A and B.
Figure 4. Power-Supply Configurations
V+
A0
(MAX270)
SINGLE-SUPPLY OPERATION
GND
V-
4.7kI
10kI
PIN-STRAP
MODE
P
MODE
0V
+5V
10kI
4.7kI
4.7F
0.1F
4.7F
+5V
MAX270
V+
BIPOLAR-SUPPLY OPERATION
GND
V-
4.7F
0.1F
4.7F
+5V
-5V
MAX270
MAX271
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX271EWG+ | 功能描述:有源滤波器 Digitally Prog Dual 2-ORD Cont Lowpass RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX271EWG+T | 功能描述:有源滤波器 Digitally Prog Dual 2-ORD Cont Lowpass RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX271EWG-T | 功能描述:有源滤波器 RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX271MRG | 功能描述:有源滤波器 RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX2720EUP | 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
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