MINIATURE FILTERS
Fixed Analog Active
Filters
Anti-Aliasing - AS
Series
Valuable board space can now be
saved by AS series miniature filter
module. User is able to maximize
system bandwidth, minimize
sampling rate and still obtain anti-
aliasing attenuation greater than 80
dB at 2 times of the cut-off in a 16
pin DIP package.
Features include:
STANDARD RESPONSES
CUSTOMER SPECIFIED
Butterworth, Bessel,
FREQUENCY
Chebyshev.
Your choice of -3 dB
STABLE OUTPUT
Frequency.
Unity gain output
Customer modifications
Amplification available. (Up to
available at
1000 times).
No additional charge.
COMPENSATED DC
EXTREMELY SMALL.
OFFSET
0.45" L x 0.47" W x 0.40" H (8
Interna DC offset <2 mV.
pins)
External adjustable to 0.0.
0.85" L x 0.47" W x 0.40" H
BUILT-IN DECOUPLING
(16 pins)
Internal power supply
1.05" L x 0.47" W x 0.40" H
decoupling.
(20 pins)
SINGLE /DUAL POWER
ANALOG ACTIVE FILTER
SUPPLY
RC active filter.
Single Supply: 15.0 V & GND.
Not switch capacitor filter.
Dual Supply: ±
15.0 V & GND.
COMPLETELY
AS2118
NOTE:
**FILTER
TYPES: LP = Lowpass, HP = Highpass
**RESPONSE SHAPE: B = Butterworth, L =
Bessel, C = Chebyshev
48 dB @
0.5Fc
B
HP
20 pins DIP
Specifications
ELECTRICAL
CHARACTERISTICS
(Supply = ±15V., Load = 10 k
,
Τεµπ. = 25° Χ)
Supply
10 mA
Current
Input
> 500 kohm
Impedance
Output
< 1 ohm (@ DC)
Impedance
Cut-off
± 2%
Variation
Frequency
0.01 % /°C
Stability
Unity Gain
0.0 dB
Output
Max. Input
± 12 V.
Voltage
Max. Output
± 12 V.
Voltage
DC Offset
< ± 2mV
MECHANICAL
CHARACTERISTICS
0.45" x 0.47" x
Dimensions
0.40" (8 pins)
0.85" x 0.47" x
0.40" (16 pins)
1.05" x 0.47" x
0.40" (20 pins)
Pin Diameter 0.025"
OPTIONS
SuffixDescription
Low power consumption
L
(20mA)
Industrial temp. range (-25°
I
C to 85° C)
Military temp. range (-55° C
M
to 125° C)
A1 10x amplification
A2 100x amplification
A3 1000x amplification
Single supply (+5 V to + 18
S
V)
D Differential Input
单片机
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