MAX7426 데이터 시트보기 (PDF) - Maxim Integrated
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MAX7426 Datasheet PDF : 12 Pages
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5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
ABSOLUTE MAXIMUM RATINGS
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
8-Pin PDIP (derate 6.90mW/°C above +70°C).............552mW
Operating Temperature Ranges
MAX742 _C_A ....................................................0°C to +70°C
MAX742 _E_A .................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°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.
ELECTRICAL CHARACTERISTICS—MAX7426
(VDD = +5V, filter output measured at OUT, 10kΩ || 50pF load to GND at OUT, SHDN = VDD, OS = COM, 0.1µF from COM to GND,
fCLK = 100kHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
FILTER
Corner-Frequency Range
Clock-to-Corner Ratio
Clock-to-Corner Tempco
fC
fCLK/fC
(Note 1)
0.001 to 9
100:1
10
kHz
ppm/°C
Output Voltage Range
Output Offset Voltage
VOFFSET VIN = VCOM = VDD / 2
0.25
VDD - 0.25
V
±4
±25
mV
DC Insertion Gain with Output
Offset Removed
VCOM = VDD / 2 (Note 2)
0
0.2
0.4
dB
Total Harmonic Distortion plus
Noise
THD+N
fIN = 200Hz, VIN = 4Vp-p,
measurement bandwidth = 22kHz
-81
dB
Offset Voltage Gain
COM Voltage Range
Input Voltage Range at OS
Input Resistance at COM
Clock Feedthrough
Resistive Output Load Drive
Maximum Capacitive Load
at OUT
Input Leakage Current at COM
Input Leakage Current at OS
CLOCK
Internal Oscillator Frequency
Clock Output Current
(internal oscillator mode)
AOS
VCOM
VOS
RCOM
RL
CL
OS to OUT
Input, COM externally driven
Output, COM internally driven
Measured with respect to COM
TA = +25°C
SHDN = GND, VCOM = 0 to VDD
VOS = 0 to VDD
fOSC
ICLK
COSC = 1000pF (Note 3)
VDD
2
-
0.5
VDD
2
-
0.2
90
10
+1
VDD
2
VDD
2
±0.1
130
5
1
V/V
VDD
2
+
0.5
V
VDD
2
+
0.2
V
kΩ
mVp-p
kΩ
50
500
pF
±0.2
±10
µA
±0.2
±10
µA
13.5
17.5
21.5
kHz
±8
±12.5
µA
Clock Input High
VIH
Clock Input Low
VIL
4.5
V
0.5
V
2 _______________________________________________________________________________________
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