參數(shù)資料
型號(hào): MAX7480
廠商: Maxim Integrated Products, Inc.
英文描述: Parallel-Load 8-Bit Shift Registers 20-LCCC -55 to 125
中文描述: 八階、低通、巴特沃茲、開關(guān)電容濾波器
文件頁數(shù): 2/8頁
文件大?。?/td> 87K
代理商: MAX7480
M
8th-Order, Lowpass, Butterworth,
S witc hed-Capac itor Filter
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
to GND..............................................................-0.3V to +6V
IN, OUT, COM, OS, CLK ............................-0.3V to (V
DD
+ 0.3V)
SHDN
........................................................................-0.3V to +6V
OUT Short-Circuit Duration...................................................1sec
Continuous Power Dissipation (T
A
= +70°C)
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin DIP (derate 9.09mW/°C above +70°C)...............727mW
ELECTRICAL CHARACTERISTICS
(V
DD
= +5V, filter output measured at OUT, 10k
||50pF load to GND at OUT, OS = COM, 0.1μF from COM to GND,
SHDN
=
V
DD
, f
CLK
= 100kHz, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +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.
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
C
OSC
= 1000pF (Note 4)
V
CLK
= 0 or 5V
V
OS
= 0 to (V
DD
- 1V) (Note 3)
SHDN
= GND, V
COM
= 0 to V
DD
(Note 1)
Input, COM externally driven
f
IN
= 200Hz, V
IN
= 4Vp-p,
measurement bandwidth = 22kHz
V
IN
= V
COM
= V
DD
/ 2
V
COM
= V
DD
/ 2 (Note 2)
CONDITIONS
40
53
±24
67
±40
f
OSC
I
CLK
Internal Oscillator Frequency
Clock Input Current
±0.1
±10
Input Leakage Current at OS
CLOCK
±0.1
±10
Input Leakage Current at COM
50
500
C
L
10
1
R
L
Resistive Output Load Drive
10
Clock Feedthrough
75
125
R
COM
Input Resistance at COM
100:1
10
f
CLK
/f
C
Clock-to-Corner Ratio
Clock-to-Corner Tempco
Output Voltage Range
Output Offset Voltage
0.001 to 2
f
C
Corner Frequency
V
COM
1
A
OS
V
OS
OS Voltage Gain to OUT
Input Voltage Range at OS
-73
THD+N
Total Harmonic Distortion
plus Noise
0.25
V
DD-
0.25
±5
±25
V
OFFSET
-0.1
0.15
0.3
DC Insertion Gain with
Output Offset Removed
MIN
TYP
MAX
SYMBOL
PARAMETER
0.5
V
IL
Clock Input Low
V
DD
- 0.5
V
IH
Clock Input High
V
V
μA
kHz
μA
μA
pF
k
mVp-p
k
V
V/V
V
dB
dB
mV
V
ppm/°C
kHz
UNITS
Maximum Capacitive Load at
OUT
COM Voltage Range
V
DD
/ 2 V
DD
/ 2 V
DD
/ 2
- 0.5
+ 0.5
V
COM
±0.1
V
DD
/ 2 V
DD
/ 2 V
DD
/ 2
- 0.2
+ 0.2
FILTER CHARACTERISTICS
Output, COM internally biased
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