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參數(shù)資料
| 型號(hào)： | MAX271CWG+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 5/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC FILTER LOWPASS PROG 24-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 30 |
| 濾波器類型： | 連續(xù)時(shí)間低通 |
| 頻率 - 截止或中心： | 25kHz |
| 濾波器數(shù)： | 2 |
| 濾波器階數(shù)： | 2nd |
| 電源電壓： | 4.74 V ~ 16 V，±2.37 V ~ 8 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 管件 |
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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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX271CWG+ | 功能描述:有源濾波器 Digitally Prog Dual 2-ORD Cont Lowpass RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX271CWG+T | 功能描述:有源濾波器 Digitally Prog Dual 2-ORD Cont Lowpass RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX271CWG-T | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX271ENG | 功能描述:有源濾波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX271ENG+ | 功能描述:有源濾波器 Digitally Prog Dual 2-ORD Cont Lowpass RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
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