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Datasheet> All Categories > Analog mixed-signal IC> filter> R854L4B-3
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R854L4B-3

Description
Active Filter,
CategoryAnalog mixed-signal IC    filter   
File Size346KB，12 Pages
ManufacturerFrequency Devices
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R854L4B-3 Overview

Active Filter,

R854L4B-3 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerFrequency Devices
package instruction,
Reach Compliance Codeunknown

R854L4B-3 Preview

R854 Series
1.0 Hz to 102.4 kHz
8-Bit Programmable
Description
The R854 Series are digitally programmable, 4-pole
low-pass and high-pass active filters that contain a
low and a high programmable frequency range, with
each range tunable over a 256:1 ratio. R854 filters
are available with any two of five standard factory-
set tuning ranges or 8-bit custom ranges from 1.0 Hz
to 102.4 kHz. These units contain 8 CMOS logic
inputs that can be operated in a transparent or
latching mode and 1 logic input for range selection.
All R854 Series models are convenient, easy to use
fully finished filters which require no external
components or adjustments. They feature low
harmonic distortion, and precision phase and
amplitude characteristics. R854 filters operate from
non-critical ±12 to ±18 Vdc power supplies, have a
10 kΩ (min.) input impedance, a 10
Ω
(max.) output
impedance.
Features/Benefits:
• Digitally programmable corner frequency allows
selecting cut-off frequencies specific to each
application.
• Plug-in ready-to-use, reducing engineering design
and manufacturing cycle time.
• Factory-set tuning range, no external clocks or
adjustments needed.
• Broad range of transfer characteristics and corner
frequencies to meet a wide range of applications.
• Low profile design, ideal for rack mount
installations.
Applications
• Anti-alias filtering
• Data acquisition systems
• Communication systems and electronics
• Medical electronics equipment and research
• Aerospace, navigation and sonar applications
• Sound and vibration testing
• Real and compressed time data analysis
• Noise elimination
• Signal reconstruction
Programmable Specifications
. . . . . . . . . . . . .
Page
Digital Tuning & Control . . . . . . . . . . . . . . . . . . . . . . 2
Available Low-Pass Models:
. . . . . . . . . . . . . . . . . . .
R854L4B 4-pole Butterworth. . . . . . . . . . . . . . . . . . 3
R854L4L 4-pole Bessel . . . . . . . . . . . . . . . . . . . . . 3
R854L8Y2 4-pole Cheby (0.2 dB Ripple) . . . . . . . . . 3
R854L8Y5 4-pole Cheby (0.5 dB Ripple) . . . . . . . . . 3
Available High-Pass Models:
. . . . . . . . . . . . . . . . . .
R854H8B 4-pole Butterworth. . . . . . . . . . . . . . . . . . 4
R854H8Y2 4-pole Cheby (0.2 dB Ripple) . . . . . . . . . 4
R854H8Y5 4-pole Cheby (0.5 dB Ripple) . . . . . . . . . 4
General Specifications:
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin-out/package data. . . . . . . . . . . . . . . . . . . . . . . . . 5
2" x 4" Range Switch
4-Pole Filters
25 Locust St. • Haverhill, Massachusetts 01830 • (800) 252-7074 • (978) 374-0761 • FAX (978) 521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com • Fax on Demand: 978/521-5178
R854 Series
Range Switch
8-Bit Programmable Filters
Digital Tuning Characteristics
The digital tuning interface circuits are two 4042 quad CMOS
latches which accept the following CMOS-compatible inputs:
eight tuning bits (D
0
- D
7
), a range selection bit (R), a latch
strobe bit (C), and a transition polarity bit (P).
Filter tuning follows the tuning equation given below:
f
c
= ( f
max
/256 ) [ 1 + D
7
x 2 + D
6
x 2 + D
5
x 2 + D
4
x 2 + D
3
x 2
+ D
2
x 2 + D
1
x 2 + D
0
x 2 ]
where D
1
- D
7
= "0" or "1", and
f
max
= Maximum tuning frequency;
f
c
= corner frequency;
R = 0, Maximum low range
R = 1, Maximum
Minimum tunable frequency = f
max
/256 (D0 thru D7 = 0);
Minimum frequency step (Resolution) = f
max
/256
2
1
0
7
6
5
4
3
Digital Tuning &
Control Characteristics
Pin-Out Key
IN
OUT
GND
"P"
"C"
+Vs
-Vs
Os
R
Analog Input Signal
Analog Output Signal
Power and Signal Return
Transition Polarity Bit
Tuning Strobe Bit
Supply Voltage, Positive
Supply Voltage, Negative
Optional Offset Adjustment
Range Switch Adjustment
D
7
Tuning
D
6
Tuning
D
5
Tuning
D
4
Tuning
D
3
Tuning
D
2
Tuning
D
1
Tuning
D
0
Tuning
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
7 (MSB)
6
5
4
3
2
1
0 (LSB)
R
D
7
D
6
D
5
D
4
GND
D
3
D
2
D
1
D
0
OUT +Vs -Vs
Data Control Specifications
Data Control Lines
Functions
Data Control Modes
Mode 1
Mode 2
Input Data Levels
Latch Strobe (C)
Transition Polarity (P)
P = 0; C = 0
frequency follows input codes
P = 0; C = 0⇑
frequency latched on rising edge
P = 1; C = 1
frequency follows input codes
P = 1; C = 1⇓
frequency latched on falling edge
(CMOS Logic)
4 Vdc max.
15 Vdc max.
-1 mA max.
+1
µA
max.
7.5 pF max.
MSB
2
7
D
7
0
0
0
- 10
µA
typ.
-5
+10
µA
typ.
5 pF typ
25 nS
50 nS
80 nS min.
Frequency Select Bits
Logic "1" = +Vs
Logic "0" = Gnd
(Binary-Coded)
LSB (least significant bit)
MSB (most significant bit)
256 : 1, Binary Weighted
-5
IN Os
4
Bottom View
---
2
5
D
5
0
0
0
0
0
0
1
1
1
---
2
4
D
4
0
0
0
0
0
1
1
1
1
---
2
3
D
3
0
0
0
0
1
1
1
1
1
---
2
2
D
2
0
0
0
1
1
1
1
1
1
---
2
1
D
1
0
0
1
1
1
1
1
1
1
P C
---
2
6
D
6
0
0
0
0
0
0
0
1
1
LSB
2
0
D
0
0
1
1
1
1
1
1
1
1
Bit
Weight
fc
Corner
Frequency
Input Voltage (Vs = 15 Vdc)
Low Level In
0 Vdc min.
High Level In
11 Vdc min.
Input Current
High Level In
Low Level In
Input Capacitance
Latch Response
1
Data Set Up Time
2
Data Hold Time
Strobe Pulse Width
Input Data Format
Positive Logic
Bit Weighting
D
0
D
7
Frequency Range
f
max
/256
f
max
/128
f
max
/64
f
max
/32
f
max
/16
f
max
/8
f
max
/4
f
max
/2
fmax
0
0
0
0
0
1
Notes:
1.Frequency data must be present before occurrence of strobe edge.
2.Frequency data must be present after occurrence of strobe edge.
2
25 Locust St. • Haverhill, Massachusetts 01830 • (800) 252-7074 • (978) 374-0761 • FAX (978) 521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com • Fax on Demand: 978/521-5178
R854 Series
Range Switch
8-Bit Programmable
Model
Product Specifications
Transfer Function
Size
Range f
c
Theoretical Transfer
Characteristics
Passband Ripple
(theoretical)
4-Pole
Low-Pass Filters
R854L8L
R854L8Y2
R854L8Y5
R854L8B
4-Pole,
Butterworth
4.0” x 2.0” x 0.6”
1.0 Hz to 102.4 kHz
Appendix A
Page 7
0.0 dB
0 ± 0.1 dB max.
0 ± 0.05 dB typ.
24 dB/octave
f
c
± 0.01% /°C
- 3 dB
-180°
0.67 dB
3.01 dB
30.0 dB
40.0 dB
0 - 0.8 f
c
± 2% max.
4-Pole,
Bessel
4.0” x 2.0” x 0.6”
1.0 Hz to 102.4 kHz
Appendix A
Page 2
0.0 dB
0 ± 0.1 dB max.
0 ± 0.05 dB typ.
24 dB/octave
f
c
± 0.01% /°C
- 3 dB
-121°
1.86 dB
3.01 dB
30.0 dB
40.0 dB
0 - f
c
± 2% max.
4-Pole, Chebychev,
0.2 dB Ripple
4.0” x 2.0” x 0.6”
1.0 Hz to 102.4 kHz
Appendix A
Page 12
0.2 dB
0 ± 0.1 dB max.
0 ± 0.05 dB typ.
24 dB/octave
f
c
± 0.01% /°C
- 3 dB
- 231°
-0.20 dB
3.01 dB
30.0 dB
40.0 dB
0 - 0.8 f
c
± 2% max.
4-Pole, Chebychev,
0.5 dB Ripple
4.0” x 2.0” x 0.6”
1.0 Hz to 102.4 kHz
Appendix A
Page 15
0.5 dB
0 ± 0.1 dB max.
0 ± 0.05 dB typ.
24 dB/octave
f
c
± 0.01% /°C
- 3 dB
-245°
-0.43 dB
3.01 dB
30.0 dB
40.0 dB
0 - 0.8 f
c
0.8 f
c
- 1.0 f
c
0 - 0.8 f
c
0.8 f
c
- 1.0 f
c
± 2% max.
DC Voltage Gain
(non-inverting)
Stopband
Attenuation Rate
Cutoff Frequency
Stability
Amplitude
Phase
Filter Attenuation
(theoretical)
0.80 f
c
1.00 f
c
2.37 f
c
3.16 f
c
0.80 f
c
1.00 f
c
3.50 f
c
4.72 f
c
± 2° max.
± 1° typ.
0.80 f
c
1.00 f
c
1.89 f
c
2.46 f
c
0.80 f
c
1.00 f
c
1.80 f
c
2.33 f
c
± 2° max.
± 1° typ.
± 3° max.
± 1.5° typ.
± 0.2 dB max.
± 0.1 dB typ.
± 0.3 dB max.
± 0.15 dB typ.
Phase Match
1
± 2° max.
± 1° typ.
0.8 fc - 1.0 f
c
± 3° max.
± 1.5° typ.
0 - 0.8 f
c
± 0.2 dB max.
± 0.1 dB typ.
0.8 f
c
- 1.0 f
c
± 0.3 dB max.
± 0.15 dB typ.
± 2° max.
± 1° typ.
0.8 f
c
- 1.0 f
c
± 3° max.
± 1.5° typ.
Amplitude Accuracy
(theoretical)
0 - f
c
± 0.2 dB max.
± 0.1 dB typ.
± 0.2 dB max.
± 0.1 dB typ.
0.8 f
c
- 1.0 f
c
± 0.3 dB max.
± 0.15 dB typ.
< - 88 dB typ.
200
µVrms
typ.
50
µVrms
typ.
0 - 0.8 f
c
Total Harmonic
Distortion @ 1 kHz
Wide Band Noise
(5 Hz - 2 MHz)
< - 100 dB typ.
200
µVrms
typ.
50
µVrms
typ.
< - 100 dB typ.
200
µVrms
typ.
50
µVrms
typ.
< - 88 dB typ.
200
µVrms
typ.
50
µVrms
typ.
Narrow Band Noise
(5 Hz - 100 kHz)
Filter Mounting
Assembly
FMA-03A
FMA-03A
FMA-03A
FMA-03A
1.Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot.
3
25 Locust St. • Haverhill, Massachusetts 01830 • (800) 252-7074 • (978) 374-0761 • FAX (978) 521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com • Fax on Demand: 978/521-5178
R854 Series
Range Switch
8-Bit Programmable
Model
Product Specifications
Transfer Function
Size
Range f
c
Theoretical Transfer
Characteristics
Passband Ripple
(theoretical)
4-Pole
High-Pass Filters
R854H8Y2
R854H8Y5
R854H8B
4-Pole,
Butterworth
4.0” x 2.0” x 0.6”
1.0 Hz to 102.4 kHz
Appendix A
Page 27
0.0 dB
0 ± 0.2 dB to 100 kHz
0 ± 0.5 dB to 120 kHz
120 kHz
(-6 dB) 1 MHz
24 dB/octave
f
c
± 0.01% /°C
- 3 dB
180°
40 dB
30 dB
3.01 dB
0.02 dB
± 2% max.
4-Pole, Chebychev,
0.2 dB Ripple
4.0” x 2.0” x 0.6”
1.0 Hz to 102.4 kHz
Appendix A
Page 31
0.2 dB
0 ± 0.2 dB to 100 kHz
0 ± 0.5 dB to 120 kHz
120 kHz
(-6 dB) 1 MHz
24 dB/octave
f
c
± 0.01% /°C
- 3 dB
231°
40.0 dB
30.0 dB
3.01 dB
-0.07 dB
± 2% max.
4-Pole, Chebychev,
0.5 dB Ripple
4.0” x 2.0” x 0.6”
1.0 Hz to 102.4 kHz
Appendix A
Page 33
0.50 dB
0 ± 0.2 dB to 100 kHz
0 ± 0.5 dB to 120 kHz
120 kHz
(-6 dB) 1 MHz
24 dB/octave
f
c
± 0.01% /°C
- 3 dB
245°
40.0 dB
30.0 dB
3.01 dB
-0.25 dB
± 2% max.
Voltage Gain
(non-inverting)
Power Bandwidth
Small Signal Bandwidth
Stopband
Attenuation Rate
Cutoff Frequency
Stability
Amplitude
Phase
Filter Attenuation
(theoretical)
0.31 f
c
0.42 f
c
1.00 f
c
2.00 f
c
0.41 f
c
0.53 f
c
1.00 f
c
2.00 f
c
0.43 f
c
0.56 f
c
1.00 f
c
2.00 f
c
Phase Match
1
f
c
- 100 kHz ± 3° max.
± 1.5° typ.
f
c
- 100 kHz ± 3° max.
± 1.5° typ.
f
c
- 100 kHz ± 3° max.
± 1.5° typ.
Amplitude Accuracy
(theoretical)
1.00 - 1.25 f
c
± 0.3 dB max.
± 0.15 dB typ.
1.25 f
c
-100 kHz± 0.2 dB max.
± 0.1 dB typ.
< - 100 dB typ.
400
µVrms
typ.
100
µVrms
typ.
1.00 - 1.25 f
c
± 0.3 dB max.
± 0.15 dB typ.
1.25 f
c
-100 kHz ± 0.2 dB max.
± 0.1 dB typ.
< - 88 dB typ.
400
µVrms
typ.
100
µVrms
typ.
1.00 - 1.25 f
c
± 0.3 dB max.
± 0.15 dB typ.
1.25 f
c
-100 kHz± 0.2 dB max.
± 0.1 dB typ.
< - 88 dB typ.
400
µVrms
typ.
100
µVrms
typ.
Total Harmonic
Distortion @ 1 kHz
Wide Band Noise
Narrow Band Noise
(5 Hz - 100 kHz)
Filter Mounting
Assembly
FMA-03A
FMA-03A
FMA-03A
1.Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot.
4
25 Locust St. • Haverhill, Massachusetts 01830 • (800) 252-7074 • (978) 374-0761 • FAX (978) 521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com • Fax on Demand: 978/521-5178
R854 Series
Specification
(25°C and Vs ± 15 Vdc)
Analog Input Characteristics
1
Impedance
Voltage Range
Max. Safe Voltage
Analog Output Characteristics
Impedance (Closed Loop)
Linear Operating Range
Maximum Current
2
Offset Voltage
3
Offset Temp. Coeff.
Power Supply (
±
Vs)
Rated Voltage
Operating Range
Maximum Safe Voltage
Quiescent Current
4-Pole
Temperature
Operating
Storage
Notes:
1. Input and output signal voltage referenced to supply common.
2. Output is short circuit protected to common.
DO NOT CONNECT TO ±Vs.
3. Adjustable to zero.
4. Units operate with or without offset pin connected.
Pin-Out and Package Data
Ordering Information
Pin-Out & Package Data
4.00
10 k
Ω
min.
±
10 Vpeak
±
Vs
11
Ω
typ.
10
Ω
max.
±
10V
±
2 mA
22
mV typ.
20 mV max.
50
µV/°C
0.6
0.2 min
0.04 Dia.
Side View
All dimensions are in inches
All Case Dimensions ± 0.02"
Grid Dimensions 0.1" x 0.1"
OUT +Vs -Vs
R
D
7
D
6
D
5
D
4
±
15 Vdc
±
12 to
±
18 Vdc
±
18 Vdc
±
13 mA typ.
±
20 mA max.
-20
to +70°C
-25 to +85°C
2.00
GND
D
3
D
2
D
1
D
0
IN Os
4
Bottom View
P C
Filter Mounting Assembly-See FMA-03A
Ordering Information
Filter Type
L
- Low Pass
H
- High Pass
Transfer Function
B
- Butterworth
L
- Bessel
Y2
- Chebychev (0.2 dB Ripple)
Y5
- Chebychev (0.2 dB Ripple)
DC Offset Adjustment
+ Vs
Do not connect
if trim is not
required.
20 k
Ω
(Cermet)
OS
R854L8B-3/5
Model Number
e.g.,
Model
Number
2
3
4
5
6
Tuning
Range (Hz)
1.0 to 256
10 to 2560
100 to 25.6k
200 to 51.2k
400 to 102.4k
Minimum
Step(Hz)
1.0
10
100
200
400
- Vs
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-00R854-01
5
25 Locust St. • Haverhill, Massachusetts 01830 • (800) 252-7074 • (978) 374-0761 • FAX (978) 521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com • Fax on Demand: 978/521-5178
More (Only the first 5 pages are displayed. Please Download Datasheet to view the full content.) >

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R854L4B-3 R854L4L-3
Description Active Filter, Active Filter,
Is it Rohs certified? incompatible incompatible
Maker Frequency Devices Frequency Devices
Reach Compliance Code unknown unknown

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