參數資料
型號： MAX270EWP+
廠商： Maxim Integrated Products
文件頁數： 1/16頁
文件大小： 0K
描述： IC FILTER LOWPASS PROG 20-SOIC
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 36
濾波器類型： 連續(xù)時間低通
頻率 - 截止或中心： 25kHz
濾波器數： 2
濾波器階數： 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： 20-SOIC（0.295"，7.50mm 寬）
供應商設備封裝： 20-SOIC W
包裝： 管件
Digitally-Programmed, Dual
2nd-Order Continuous Lowpass Filter
MAX270/MAX271
19-3701; Rev 2; 1/12
Devices are available in a lead(Pb)-free/RoHS-compliant package.
Specify lead-free by adding a plus (+) to the part number when
ordering.
Ordering Information
Pin Configurations
Typical Operating Circuit
General Description
The MAX270/MAX271 are digitally-programmed, dual
second-order continuous-time lowpass filters. Their typi-
cal dynamic range of 96dB surpasses most switched
capacitor filters which require additional filtering to
remove clock noise. The MAX270/MAX271 are ideal for
anti-aliasing and DAC smoothing applications and can
be cascaded for higher-order responses.
The two filter sections are independently programmable
by either microprocessor (FP) control or pin strapping.
Cutoff frequencies in the 1kHz to 25kHz range can be
selected.
The MAX270 has an on-board, uncommitted op amp,
while the MAX271 has an internal track-and-hold (T/H).
Applications
Lowpass Filtering
Anti-Aliasing Filter
Output Smoothing
Low-Noise Applications
Anti-Aliasing and Track-and-Hold (MAX271)
Features
S
Continuous-Time Filtering - No Clock Required
S
Dual 2nd-Order Lowpass Filters
S
Sections Independently Programmable: 1kHz to
25kHz
S
96dB Dynamic Range
S
No External Components
S
Cascadable for Higher Order
S
Low-Power Shutdown Mode
S
Track-and-Hold (MAX271)
V+
+5V
-5V
FILTER A
ANTI-ALIASING
INA
OUTA
IN
V-
GND
FILTER B
ANTI-ALIASING
AO
CS
D0-D6
P OR PIN-STRAP CONTROL
OUTB
INB
DSB
DAC
A/D WITH
T/H
OUT
WR
MAX270
OUTA
SHDN
D4
1
2
20
19
OP OUT
V+
D6
D5
OP IN
PDIP/SO(W)
TOP VIEW
3
4
18
17
INB
OUTB
D0
5
6
16
15
INA
V-
D2
D1
D3
7
8
14
13
GND
Pin Configurations
continued at end
of data sheet.
A0
912
WR
CS
10
11
MAX270
PART
TEMP RANGE
PIN-PACKAGE
MAX270CPP
0NC to +70NC
20 PDIP
MAX270CWP
0NC to +70NC
20 Wide SO
MAX270EPP
-40NC to +85NC
20 PDIP
MAX270EWP
-40NC to +85NC
20 Wide SO
MAX271CNG
0NC to +70NC
20 PDIP
MAX271CWG
0NC to +70NC
20 Wide SO
MAX271ENG
-40NC to +85NC
20 PDIP
MAX271EWG
-40NC to +85NC
20 Wide SO
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
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相關代理商/技術參數
參數描述
MAX270EWP+ 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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX270EWP+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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX270EWP-T 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX270MJP 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX271C/D 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
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