参数资料
型号: MAX7424EUA+T
厂商: Maxim Integrated Products
文件页数: 10/14页
文件大小: 0K
描述: IC FILTER LOWPASS 5TH 8-UMAX
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: 巴特沃斯,低通开关电容器
频率 - 截止或中心: 45kHz
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)
配用: MAXFILTERBRD+-ND - BOARD EVAL MAX7408/7415/418-7425
MAX7418–MAX7425
5th-Order, Lowpass,
Switched-Capacitor Filters
_______________________________________________________________________________________
5
FILTER CHARACTERISTICS
(VDD = +5V for MAX7418-MAX7420, VDD = +3V for MAX7422-MAX7425 filter output measured at OUT, 10kΩ || 50pF load to GND at
OUT,
SHDN = VDD, fCLK = 2.2MHz, TA = TMIN to TMAX, unless otherwise noted.)
Note 1: The maximum fC is defined as the clock frequency fCLK = 100 x fC at which the peak S / (THD+N) drops to 68dB with a
sinusoidal input at 0.2fC. Maximum fC increases as VIN signal amplitude decreases.
Note 2: DC insertion gain is defined as
ΔVOUT / ΔVIN.
Note 3: MAX7418/MAX7421/MAX7422/MAX7425: fOSC (kHz)
87x103 / COSC (pF).
MAX7419/MAX7420/MAX7423/MAX7424: fOSC (kHz)
110x103 / COSC (pF).
Note 4: PSRR is the change in output voltage from a VDD of 4.5V and a VDD of 5.5V.
BESSEL FILTERS—MAX7409/MAX7413
dB
-67
-60
fIN = 7fC
Insertion Gain Relative to
DC Gain
-41.0
-35
fIN = 7fC
-3.6
-3.0
-2.4
-1.0
-0.74
fIN = 0.5fC
fIN = 4fC
Insertion Gain Relative to
DC Gain
-70
-65
fIN = 5fC
-47.5
-43
Insertion Gain Relative to
DC Gain
-3.6
-3.0
-2.4
fIN = fC
fIN = 3fC
-0.3
0
dB
fIN = 0.5fC
-67
-60
dB
fIN = 7fC
-41.0
-35
fIN = 4fC
-3.6
-3.0
-2.4
fIN = fC
-1
-0.74
fIN = 0.5fC
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
-0.4
-0.2
0.4
fIN = 0.68fC
-0.4
-0.2
0.4
fIN = 0.87fC
-0.4
-0.2
0.4
fIN = 0.97fC
-0.7
-0.2
0.2
fIN = fC
-36
-33
fIN = 1.25fC
-37.2
-35
fIN = 1.43fC
Insertion Gain with DC Gain
Error Removed (Note 4)
-37.2
-35
dB
fIN = 3.25fC
-0.4
-0.2
0.4
fIN = 0.38fC
BESSEL FILTERS—MAX7419/MAX7423
BUTTERWORTH FILTERS—MAX7420/MAX7424
BESSEL FILTERS—MAX7419/MAX7423
ELLIPTIC, R = 1.2—MAX7421/MAX7425
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