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参数资料
| 型号： | MAX7427EUA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC FILTER LOWPASS 5TH 8UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 滤波器类型： | 椭圆，低通开关电容器 |
| 频率 - 截止或中心： | 12kHz |
| 滤波器数： | 1 |
| 滤波器阶数： | 5th |
| 电源电压： | 2.7 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
General Description
The MAX7426/MAX7427 5th-order, lowpass, elliptic,
switched-capacitor filters (SCFs) operate from a single
+5V (MAX7426) or +3V (MAX7427) supply. The devices
draw only 0.8mA of supply current and allow corner fre-
quencies from 1Hz to 12kHz, making them ideal for
low-power post-DAC filtering and anti-aliasing applica-
tions. They can be put into a low-power mode, reducing
supply current to 0.2A.
Two clocking options are available: self-clocking (through
the use of an external capacitor) or external clocking for
tighter cutoff-frequency control. An offset-adjust pin
allows for adjustment of the DC output level.
The MAX7426/MAX7427 deliver 37dB of stopband
rejection and a sharp rolloff with a transition ratio of
1.25. Their fixed response limits the design task to
selecting a clock frequency.
Applications
ADC Anti-Aliasing
CT2 Base Stations
Post-DAC Filtering
Speech Processing
Features
o 5th-Order, Elliptic Lowpass Filters
o Low Noise and Distortion: -80dB THD + Noise
o Clock-Tunable Corner Frequency (1Hz to 12kHz)
o Single-Supply Operation
+5V (MAX7426)
+3V (MAX7427)
o Low Power
0.8mA (Operating Mode)
0.2A (Shutdown Mode)
o Available in 8-Pin MAX/PDIP Packages
o Low Output Offset: ±4mV
MAX7426/MAX7427
5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
________________________________________________________________ Maxim Integrated Products
1
OS
OUT
VDD
1
2
8
7
CLK
SHDN
IN
GND
COM
MAX/PDIP
TOP VIEW
3
4
6
5
MAX7426
MAX7427
VDD
IN
CLK
OUT
GND
INPUT
0.1
F
0.1
F
CLOCK
SHDN
OUTPUT
COM
OS
MAX7426
MAX7427
VSUPPLY
Typical Operating Circuit
19-1710; Rev 0; 4/00
Pin Configuration
Ordering Information
PART
MAX7426CUA
MAX7426CPA
MAX7426EUA
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 MAX
8 Plastic DIP
8 MAX
MAX7426EPA
-40°C to +85°C
8 Plastic DIP
PART
TRANSITION RATIO
OPERATING
VOLTAGE (V)
MAX7426
r = 1.25
+5
Selector Guide
MAX7427
r = 1.25
+3
MAX7427CUA
MAX7427CPA
MAX7427EUA
-40°C to +85°C
0°C to +70°C
8 MAX
8 Plastic DIP
8 MAX
MAX7427EPA
-40°C to +85°C
8 Plastic DIP
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.
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| MAX7426EUA+T | IC FILTER LOWPASS 5TH 8UMAX |
| MAX7426CPA+ | IC FILTER LOWPASS 5TH 8-DIP |
| MAX7427CPA+ | IC FILTER LOWPASS 5TH 8-DIP |
| MAX7426CUA+ | IC FILTER LOWPASS 5TH 8UMAX |
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