ETC 5BAF

5BAF Series
Differential Fixed
Frequency Filters
Lowpass & Highpass
Description
The 5BAF Series are differential-input low-pass and
high-pass filters that are pin-out and package
compatible with industry-standard 5B Series signal
conditioning modules. Each filter comes factory
tuned to a user specified corner or center frequency
from 1 Hz to 100 kHz. These filters are ideally suited
to sharply limit A/D converter bandwidth to eliminate
unwanted signals and noise.
To serve real-world applications, all 5BAF Series
filters are configured with a differential input having a
common mode rejection ratio of <-70 dB (min.) at 1
kHz. A self contained dc-to-dc converter enables the
5BAF filters to operate from a non-critical +5, ±10%
volt power source, key in many systems since +5V
logic power is readily available.
Features/Benefits:
• The 10 volt input range with overall gain of 1
provides an excellent match to both the transducer
output and the data acquisition board input.
• 5BAF modules allow for partitioning between
system segments providing a means to minimize
ground loops.
• 5B plug-in compatible provides quick and easy
insertion.
• Factory tuned, no external clocks or adjustments
needed.
• Broad range of corner or center frequencies to
meet a wide range of applications.
Available Low-Pass Models: . . . . . . . . . . . . . .Page
5BAF-LPBE8 8-Pole Bessel . . . . . . . . . . . . . . .2
5BAF-LPBU8 8-Pole Butterworth . . . . . . . . . . . .2
5BAF-LPBE6 6-Pole Bessel . . . . . . . . . . . . . . .2
5BAF-LPBU6 6-Pole Butterworth . . . . . . . . . . . .2
5BAF-LPBE4 4-Pole Bessel . . . . . . . . . . . . . . .3
5BAF-LPBU4 4-Pole Butterworth . . . . . . . . . . . .3
Available High-Pass Models:
5BAF-HPBU8 8-Pole Butterworth . . . . . . . . . . . .4
5BAF-HPBU6 6-Pole Butterworth . . . . . . . . . . . .4
5BAF-HPBU4 4-Pole Butterworth . . . . . . . . . . . .4
Applications
• Vibration analysis
• Industrial and process control
General Specifications:
Pin-Out/Package Data/Order Information . . . . . .5
• Noise reduction
• Signal reduction
• Test systems
Note: Contact factory for lower frequency, noise or
distortion options.
1
25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
5BAF Series
Fixed Frequency
1 Hz to 100 kHz
Low-Pass Butterworth
Model
5BAF-LPBU8
5BAF-LPBU6
5BAF-LPBU4
Transfer Function
8-Pole Butterworth
6-Pole Butterworth
4-Pole Butterworth
Size
Std. 5B
Std. 5B
Std. 5B
Range fc
1.00 Hz to 100 kHz
1.00 Hz to 100 kHz
1.00 Hz to 100 kHz
Theoretical Transfer
Characteristics
Appendix A
Page 9
Appendix A
Page 8
Appendix A
Page 7
0.0 dB
0.0 dB
0.0 dB
(non-inverting)
0 ± 0.1 dB typ
0 ± 0.1 dB typ
0 ± 0.1 dB typ.
Differential Gain
1 ± 0.3%
1 ± 0.3%
1 ± 0.3%
Stopband
Attenuation Rate
48 dB/octave
36 dB/octave
24 dB/octave
Accuracy fc
± 2% max.
± 2% max.
± 2% max.
Phase
-360°
-270°
-180°
Product Specifications
Passband Ripple
(theoretical)
DC Voltage Gain
Filter Attenuation
(theoretical)
0.12 dB
3.01 dB
60.0 dB
80.0 dB
0.80 fc
1.00 fc
2.37 fc
3.16 fc
0.29 dB
3.01 dB
60.0 dB
80.0 dB
0.80 fc
1.00 fc
3.16 fc
4.46 fc
0.67 dB
3.01 dB
60.0 dB
80.0 dB
0.80 fc
1.00 fc
5.62 fc
10.00 fc
Impedance
1.0 MΩ min.
1.0 MΩ min.
1.0 MΩ min.
Com. Mode
Voltage Range
± 20 V
± 20 V
± 20 V
Com. Mode Rejection
Ratio @ 1 kHz
<-70 dB min.
<-70 dB min.
<-70 dB min.
Linear Voltage Range
± 10 V peak
± 10 V peak
± 10 V peak
± 40 V
± 40 V
± 40 V
50 µVrms max.
50 µVrms max.
50 µVrms max.
Max. Safe Voltage
(Power ON or OFF)
Narrow Band Noise
(5 Hz – 100 kHz)
2
25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
5BAF Series
Fixed Frequency
1 Hz to 100 kHz
Low-Pass Bessel
Model
5BAF-LPBE8
5BAF-LPBE6
5BAF-LPBE4
Transfer Function
8-Pole Bessel
6-Pole Bessel
4-Pole Bessel
Size
Std. 5B
Std. 5B
Std. 5B
Range fc
1.00 Hz to 100 kHz
1.00 Hz to 100 kHz
1.00 Hz to 100 kHz
Theoretical Transfer
Characteristics
Appendix A
Page 4
Appendix A
Page 3
Appendix A
Page 2
0.0 dB
0.0 dB
0.0 dB
(non-inverting)
0 ± 0.1 dB typ
0 ± 0.1 dB typ
0 ± 0.1 dB typ.
Differential Gain
1 ± 0.3%
1 ± 0.3%
1 ± 0.3%
Stopband
Attenuation Rate
48 dB/octave
36 dB/octave
24 dB/octave
Accuracy fc
± 2% max.
± 2% max.
± 2% max.
Phase
-182°
-155°
-121°
Product Specifications
Passband Ripple
(theoretical)
DC Voltage Gain
Filter Attenuation
(theoretical)
1.91 dB
3.01 dB
60.0 dB
80.0 dB
0.80 fc
1.00 fc
4.52 fc
6.07 fc
1.89 dB
3.01 dB
60.0 dB
80.0 dB
0.80 fc
1.00 fc
5.41 fc
7.99 fc
1.86 dB
3.01 dB
60.0 dB
80.0 dB
0.80 fc
1.00 fc
8.48 fc
15.12 fc
Impedance
1.0 MΩ min.
1.0 MΩ min.
1.0 MΩ min.
Com. Mode
Voltage Range
± 20 V
± 20 V
± 20 V
Com. Mode Rejection
Ratio @ 1 kHz
<-70 dB min.
<-70 dB min.
<-70 dB min.
Linear Voltage Range
± 10 V peak
± 10 V peak
± 10 V peak
± 40 V
± 40 V
± 40 V
50 µVrms max.
50 µVrms max.
50 µVrms max.
Max. Safe Voltage
(Power ON or OFF)
Narrow Band Noise
(5 Hz – 100 kHz)
3
25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
5BAF Series
Fixed Frequency
1 Hz to 100 kHz
High-Pass Butterworth
Model
5BAF-HPBU8
5BAF-HPBU6
5BAF-HPBU4
Transfer Function
8-Pole Butterworth
6-Pole Butterworth
4-Pole Butterworth
Size
Std. 5B
Std. 5B
Std. 5B
Range fc
1.00 Hz to 100 kHz
1.00 Hz to 100 kHz
1.00 Hz to 100 kHz
Theoretical Transfer
Characteristics
Appendix A
Page 29
Appendix A
Page 28
Appendix A
Page 27
0.0 dB
0.0 dB
0.0 dB
(non-inverting)
0 ± 0.1dB to 100kHz
0 ± 0.1dB to 100kHz
0 ± 0.1dB to 100kHz
Differential Gain
1 ± 0.3%
1 ± 0.3%
1 ± 0.3%
Stopband
Attenuation Rate
48 dB/octave
36 dB/octave
24 dB/octave
Small Signal Bandwidth
(-6 dB) 1 MHz
(-6 dB) 1 MHz
(-6 dB) 1 MHz
Power Bandwidth
120 kHz
120 kHz
120 kHz
Accuracy fc
± 2% max.
± 2% max.
± 2% max.
Phase
-360°
-270°
-180°
Product Specifications
Passband Ripple
(theoretical)
DC Voltage Gain
Filter Attenuation
(theoretical)
80.0 dB
60.0 dB
3.01 dB
00.0 dB
0.31 fc
0.42 fc
1.00 fc
2.00 fc
80.0 dB
60.0 dB
3.01 dB
00.0 dB
0.21 fc
0.32 fc
1.00 fc
2.50 fc
80.0 dB
60.0 dB
3.01 dB
00.0 dB
0.10 fc
0.18 fc
1.00 fc
4.00 fc
Impedance
1.0 MΩ min.
1.0 MΩ min.
1.0 MΩ min.
Com. Mode
Voltage Range
± 20 V
± 20 V
± 20 V
Com. Mode Rejection
Ratio @ 1 kHz
<-70 dB min.
<-70 dB min.
<-70 dB min.
Linear Voltage Range
± 10 V peak
± 10 V peak
± 10 V peak
± 40 V
± 40 V
± 40 V
100 µVrms max.
100 µVrms max.
100 µVrms max.
Max. Safe Voltage
(Power ON or OFF)
Narrow Band Noise
(5 Hz – 100 kHz)
4
25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
5BAF Series
Pin-Out, Package Data
And Order Information
Specifications
1
Analog Input Characteristics
See transfer function specifications.
Pin Designations
NA
1,2
Analog Output Characteristics
Impedance (Closed Loop)
<1 Ω typ.
10 Ω max.
Linear Operating Range
±10V pk
Maximum Current
±2.0mA
Offset Voltage
±3mV typ.
Offset Temp. Coeff.
±100 µV/°C
Gain Drift 3
± 30 ppm/°C
Output Load
See note 3
Power Supply (±Vs)
Rated Voltage
Quiescent Current
Vout
20
NA
18
POWER COM
NA
21
NA
19
I/O COM
17
+ 5V
5
INLO
3
NA
1
NA
16
INHI
6
NA
4
NA
23
22
2
Bottom View
Package Data
+ 5V ± 0.5 Vdc
Typ.
Max.
8P 113mA 150mA
6P 101mA 127mA
4P 75mA 98mA
5BAF
Filter Series
0.590
(15.0)
2.250
(57.2)
0.350
(8.6)
0.150
(3.8)
0.075
(1.8)
typ
0.375 (9.2)
Temperature
Operating
Storage
-25 to + 85°C
-40 to + 85°C
0.525 (12.9)
5BAF - LPBU6
6 Pole Butterworth Filter
20.0 kHz
Notes:
1. Input and output signal voltage referenced to
I/O COM.
2. Output is short circuit protected to common.
DO NOT CONNECT TO +5V or POWER COM.
1.5 k Ω
0.275 (6.7)
0.375
(9.5)
2.250
(57.2)
0.375 (9.5)
SOCKET
for
0.038 PIN
0.100 (2.5)
1.175
(29.8)
INSERT
for
3mm
SCREW
0.475 (11.6)
Made in the USA
3. Output can drive a series 1.5 kΩ resistor and
0.0022 µF capacitor without slew rate limiting
with a ± 10 V square wave input.
0.0022 µF
2.250
(57.2)
0.590
(15.0)
0.150 (3.8)
1.605
(41.9)
Dimensions in inches (mm)
0.250 (6.3)
Ordering Information
BE - Bessel-LP Only
BU - Butterworth
Corner Frequency4
1 Hz to 100 kHz
4.
How to specify Corner Frequencies:
Corner frequencies are specified by attaching a
three digit frequency designator to the basic
model number. Corner frequencies can range
from 1 Hz to 50 kHz.
5BAF-LPBE6-fc
# of Poles
LP - Lowpass
HP - Highpass
4, 6, 8
We hope the information given here will be helpful. The information is based on data and our best knowledge, and we consider the information to be true and accurate. Please read all statements,
recommendations or suggestions herein in conjunction with our conditions of sale which apply to all goods supplied by us. We assume no responsibility for the use of these statements,
recommendations or suggestions, nor do we intend them as a recommendation for any use which would infringe any patent or copyright.
IN-005BAF-03
5
25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com