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參數資料
| 型號： | MAX7421CUA+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/14頁 |
| 文件大小： | 0K |
| 描述： | IC FILTER LOWPASS 5TH 8UMAX |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 50 |
| 濾波器類型： | 橢圓，低通開關電容器 |
| 頻率 - 截止或中心： | 45kHz |
| 濾波器數： | 1 |
| 濾波器階數： | 5th |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-uMAX |
| 包裝： | 管件 |
| 配用： | MAXFILTERBRD+-ND - BOARD EVAL MAX7408/7415/418-7425 |
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Description
The MAX7418–MAX7425 5th-order, low-pass, switched-
capacitor filters (SCFs) operate from a single +5V
(MAX7418–MAX7421) or +3V (MAX7422–MAX7425)
supply. These devices draw only 3mA of supply current
and allow corner frequencies from 1Hz to 45kHz, mak-
ing them ideal for low-power post-DAC filtering and anti-
aliasing applications. They feature a shutdown mode
that reduces supply current to 0.2A.
Two clocking options are available: self-clocking
(through the use of an external capacitor), or external
clocking for tighter corner-frequency control. An offset
adjust pin allows for adjustment of the DC output level.
The MAX7418/MAX7422 deliver 53dB of stopband
rejection and a sharp rolloff with a 1.6 transition ratio.
The MAX7421/MAX7425 achieve a sharper rolloff with a
1.25 transition ratio while still providing 37dB of stop-
band rejection. The MAX7419/MAX7423 Bessel filters
provide low overshoot and fast settling, and the
MAX7420/MAX7424 Butterworth filters provide a maxi-
mally flat passband response. Their fixed response sim-
plifies the design task of selecting a clock frequency.
Applications
ADC Anti-Aliasing
CT2 Base Stations
DAC Postfiltering
Speech Processing
Features
o 5th-Order, Lowpass Filters
Elliptic Response (MAX7418/MAX7421/
MAX7422/MAX7425)
Bessel Response (MAX7419/MAX7423)
Butterworth Response (MAX7420/MAX7424)
o Clock-Turnable Corner Frequency (1Hz to 45kHz)
o Single-Supply Operation
+5V (MAX7418–MAX7421)
+3V (MAX7422–MAX7425)
o Low Power
3mA (Operating Mode)
0.2A (Shutdown Mode)
o Available in 8-Pin MAX Package
o Low Output Offset: ±4mV
MAX7418–MAX7425
5th-Order, Lowpass,
Switched-Capacitor Filters
________________________________________________________________
Maxim Integrated Products
1
OS
OUT
VDD
1
2
8
7
CLK
SHDN
IN
GND
COM
MAX
TOP VIEW
3
4
6
5
MAX7418–
MAX7425
VDD
IN
CLK
OUT
GND
INPUT
0.1
F
0.1
F
CLOCK
SHDN
OUTPUT
VSUPPLY
COM
OS
MAX7418–
MAX7425
Typical Operating Circuit
19-1821; Rev 0; 11/00
Pin Configuration
Ordering Information
Selector Guide
PART
MAX7418EUA
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
8 MAX
Selector Guide continued at end of data sheet.
Ordering Information continued at end of data sheet.
MAX7418CUA
0°C to +70°C
8 MAX
MAX7419CUA
0°C to +70°C
8 MAX
MAX7419EUA
-40°C to +85°C
8 MAX
MAX7420CUA
0°C to +70°C
8 MAX
MAX7420EUA
-40°C to +85°C
8 MAX
MAX7421CUA
0°C to +70°C
8 MAX
MAX7421EUA
-40°C to +85°C
8 MAX
PART
FILTER RESPONSE
OPERATING
VOLTAGE (V)
MAX7418
r = 1.6
+5
MAX7419
Bessel
+5
MAX7420
Butterworth
+5
MAX7421
r = 1.25
+5
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX7421CUA+ | 功能描述:有源濾波器 5th-Order Lowpass Elliptic Filter 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 |
| MAX7421CUA+T | 功能描述:有源濾波器 5th-Order Lowpass Elliptic Filter 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 |
| MAX7421CUA-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 |
| MAX7421EUA | 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 |
| MAX7421EUA+ | 功能描述:有源濾波器 5th-Order Lowpass Elliptic Filter 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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