428 Series
Pin-Out and Package Data
Ordering Information
Specification
(25°C and Vs ± 15 Vdc)
Analog Input Characteristics1
428 Package OUTLINE
Impedance
10 k Ω min.
0.80"(max)
Voltage Range
± 10 Vpeak
±Vs
Max. Safe Voltage
0.50"(max)
Side
Analog Output Characteristics
Impedance (Closed Loop)
11 Ω typ.
10 Ω max.
±10V
0.15" (min)
0.025" (dia)
1.80"(max)
Linear Operating Range
Maximum Current2
Offset Voltage3
±2 mA
Front
22 mV typ.
20 mV max.
50 mV/°C
Offset Temp. Coeff.
Power Supply (±V)
Rated Voltage
0.10"(typ)
All dimensions are in inches
All case dimensions ± 0.01"
0.80"
0.70"
±15 Vdc
OUT
D0
GND Os
-Vs +Vs
IN
Operating Range
Maximum Safe Voltage
Quiescent Current
±12 to ±18 Vdc
±18 Vdc
±25 mA typ.
±40 mA max.
Bottom View
D1
+5V
D2
D3
0.10"
0.00"
Temperature
Operating
Storage
-20 to +70°C
-25 to +85°C
Filter Mounting Assembly - See FMA-02A
Ordering Information
Notes:
Filter Type
428 Transfer Function
1. Input and output signal voltage referenced to supply common.
2. Output is short circuit protected to common.
DO NOT CONNECT TO ±Vs.
L - Low Pass
H - High Pass
B - Butterworth
L - Bessel
D60 - constant delay (-60 dB)
D80 - constant delay (-80 dB)
D10 - constant delay (-100 dB)
E - elliptic 1.77 (-80 dB)
EX- elliptic 1.56 (-80dB)
EY - elliptic 2.00 (-100 dB)
3. Adjustable to zero.
4. Units operate with or without offset pin connected.
428L4B-7
Model Number
DC Offset Adjustment
Binary Tuning Ranges
Model Tuning
*Minimum
+ Vs
Number Range (Hz) Step (Hz)
1
2
10-160
25-400
10
25
Do not connect
if trim is not
required.
3
50-800
50
4
5
100-1.60k
250-4.00k
500-8.00k
1.00k-16.0k
2.50k-40.0k
5.00k-80.0k
6.40k-102.4k
100
250
20 k W
(Cermet)
OS
6
500
7
1.00k
2.50k
5.00k
6.40k
8
9
10
*Contact factory for custom step frequency. Maximum step 6.40 kHz.
- Vs
Discrete Frequency’s
Customer must specify f1 ,f2 ,f3, f4,f5. Maximum span f1 -> f5 1,000:1.
Contact factory for custom frequency’s
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-00428-02
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com
Web Address: http://www.freqdev.com