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MAX7418 Datasheet(数据表) 2 Page - Maxim Integrated Products

部件型号  MAX7418
说明  5th-Order, Lowpass, Switched-Capacitor Filters
下载  14 Pages
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制造商  MAXIM [Maxim Integrated Products]
网页  http://www.maxim-ic.com
标志 MAXIM - Maxim Integrated Products

MAX7418 Datasheet(HTML) 2 Page - Maxim Integrated Products

  MAX7418 数据表 HTML 1Page - Maxim Integrated Products MAX7418 数据表 HTML 2Page - Maxim Integrated Products MAX7418 数据表 HTML 3Page - Maxim Integrated Products MAX7418 数据表 HTML 4Page - Maxim Integrated Products MAX7418 数据表 HTML 5Page - Maxim Integrated Products MAX7418 数据表 HTML 6Page - Maxim Integrated Products MAX7418 数据表 HTML 7Page - Maxim Integrated Products MAX7418 数据表 HTML 8Page - Maxim Integrated Products MAX7418 数据表 HTML 9Page - Maxim Integrated Products Next Button
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5th-Order, Lowpass,
Switched-Capacitor Filters
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX7418–MAX7421
(VDD = +5V, filter output measured at OUT, 10k
Ω || 50pF load to GND at OUT, OS = COM, 0.1µF capacitor from COM to GND,
SHDN = VDD, fCLK = 2.2MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDD to GND ..............................................................-0.3V to +6V
IN, OUT, COM, OS, CLK, SHDN ................-0.3V to (VDD + 0.3V)
OUT Short-Circuit Duration.......................................................1s
Continuous Power Dissipation (TA = +70°C)
8-Pin µMAX (derate 4.1mW/°C above +70°C) .............330mW
Operating Temperature Ranges
MAX74 _ _C_A ...................................................0°C to +70°C
MAX74 _ _E_A ................................................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
CLOCK
FILTER CHARACTERISTICS
86
110
135
±50
±75
MAX7419/MAX7420
MAX7418/MAX7421
MAX7419/MAX7420
MAX7418/MAX7421
-0.2
0
+0.2
MAX7419/MAX7420
MAX7418/MAX7421
0.001 to 30
VIN = 4Vp-p (Note 1)
Input Voltage Range at OS
2.0
2.5
3.0
COM Voltage Range
Maximum Capacitive Output
Load Drive
UNITS
kHz
ppm/°C
V
mV
dB
V/V
V
V
k
mVp-p
k
pF
µA
µA
kHz
µA
V
V
Clock Output Current
(Internal Oscillator Mode)
ICLK
±40
±60
Clock Input High
VIH
4.5
Clock Input Low
VIL
0.5
VCLK = 0 or 5V
PARAMETER
SYMBOL
MIN
TYP
MAX
DC Insertion Gain with
Output Offset Removed
0
0.2
0.4
Output Offset Voltage
VOFFSET
±4
±25
Output Voltage Range
0.25
VDD - 0.25
Clock-to-Corner Tempco
10
Offset Voltage Gain
AOS
1
VCOM
Corner Frequency
fc
Clock-to-Corner Ratio
fCLK /fC
100:1
2.3
2.5
2.7
VOS
VCOM ±0.1
Input Resistance at COM
RCOM
100
140
Clock Feedthrough
5
Resistive Output Load Drive
RL
10
1
CL
50
500
Input Leakage Current at COM
±0.1
±10
Input Leakage Current at OS
±0.1
±10
Internal Oscillator Frequency
fOSC
68
87
106
CONDITIONS
Output, COM unconnected
VCOM = VDD / 2
(Note 2)
VIN = VCOM = VDD / 2
Input, OS externally driven
OS to OUT
Input, COM externally driven
SHDN = GND, VCOM = 0 to VDD
VOS = 0 to VDD
COSC = 1000pF
(Note 3)
-78
MAX7419
MAX7418
-76
-78
MAX7421
MAX7420
dB
Total Harmonic Distortion
plus Noise
THD+N
-67
fIN = 2kHz,
VIN = 4Vp-p,
measurement
bandwidth = 80kHz
FILTER CHARACTERISTICS
CLOCK




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