MAX7409 查看數據表（PDF） - Maxim Integrated
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MAX7409 Datasheet PDF : 12 Pages
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5th-Order, Lowpass,
Switched-Capacitor Filters
ELECTRICAL CHARACTERISTICS—MAX7409/MAX7410
(VDD = +5V, filter output measured at OUT, 10kΩ || 50pF load to GND at OUT, OS = COM, 0.1µF capacitor from COM to GND,
SHDN = VDD, fCLK = 100kHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
POWER REQUIREMENTS
Supply Voltage
Supply Current
Shutdown Current
Power-Supply Rejection Ratio
VDD
IDD
I SHDN
PSRR
Operating mode, no load
SHDN = GND
IN = COM (Note 4)
4.5
5.5
V
1.2
1.5
mA
0.2
1
µA
70
dB
SHUTDOWN
SHDN Input High
SHDN Input Low
SHDN Input Leakage Current
VSDH
VSDL
V SHDN = 0 to VDD
4.5
V
0.5
V
±0.2 ±10
µA
ELECTRICAL CHARACTERISTICS—MAX7413/MAX7414
(VDD = +3V, filter output measured at OUT pin, 10kΩ || 50pF load to GND at OUT, OS = COM, 0.1µF capacitor from COM to GND,
SHDN = VDD, fCLK = 100kHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
FILTER CHARACTERISTICS
Corner Frequency
Clock-to-Corner Ratio
Clock-to-Corner Tempco
Output Voltage Range
Output Offset Voltage
SYMBOL
fC
(Note 1)
fCLK / fC
CONDITIONS
VOFFSET VIN = VCOM = VDD / 2
MIN TYP MAX UNITS
0.001 to 15
kHz
100:1
10
ppm/°C
0.25
VDD - 0.25 V
±4
±25
mV
DC Insertion Gain with
Output Offset Removed
VCOM = VDD / 2 (Note 2)
-0.2
0
+0.2 dB
Total Harmonic Distortion
plus Noise
Offset Voltage Gain
COM Voltage Range
Input Voltage Range at OS
Input Resistance at COM
Clock Feedthrough
Resistance Output Load Drive
THD+N
AOS
VCOM
VOS
RCOM
fIN = 200Hz, VIN = 2.5Vp-p,
measurement bandwidth = 22kHz
OS to OUT
Input, COM externally driven
Output, COM unconnected
Input, OS externally driven
MAX7413
MAX7414
RL
-83
-81
1
1.4
1.5
1.6
1.4
1.5
1.6
VCOM ±0.1
110 180
3
10
1
dB
V/V
V
V
V
kΩ
mVp-p
kΩ
Maximum Capacitive Output
Load Drive
CL
50
500
pF
Input Leakage Current at COM
Input Leakage Current at OS
SHDN = GND, VCOM = 0 to VDD
VOS = 0 to VDD
±0.1 ±10
µA
±0.1 ±10
µA
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