TAD5009 Datasheet, PDF (1/1 Pages) Spectrum Microwave, Inc. – 7 Bit Digital Attenuator

7 Bit Digital Attenuator
Attenuation Range: 12.7 dB
Model TAD5009
50 to 250 MHz
Features
50 - 250 MHz
12.7 dB Attenuation Range
Integral TTL Driver
Operating Temp. -55˚C to +85˚C
Environmental Screening available
Specifications
CHARACTERISTIC
TYPICAL
MIN/MAX
Ta = 25˚C Ta = -55˚C to +85˚C
Frequency
Insertion Loss (dB)
Attenuation Range (dB)
50 - 250 MHz
3
0.1 - 12.7
50 - 250 MHz
4.2 Max.
0.1 - 12.7
Steps (dB)
0.1, 0.2, 0.4, 0.8, 0.1, 0.2, 0.4, 0.8,
1.6, 3.2, 6.4
1.6, 3.2, 6.4
0.1 to 0.8 dB
Accuracy 0.9 to 6.3 dB
6.4 to 12.7 dB
± (0.05 dB + 2%) Max.
± (0.20 dB + 2%) Max.
± (0.30 dB + 3%) Max.
VSWR
1.25:1
1.5:1 Max.
Switching
Speed (µsec)
2.5
5 Max.
Switching
Transients (V)
0.8
1.0 Max.
DC Vdc
Bias mA
+5
+5
10
15 Max.
Note: Care should always be taken to effectively ground the case of each unit
Maximum Ratings
Ambient Operating Temperature . . . . . . . . . . . -55˚C to +100˚C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . -65˚C to +125˚C
Case Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125˚C
DC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 Volts
Continuous RF Input Power . . . . . . . . . . . . . . . . . . . . +20 dBm
Pin Layout
Gnd Gnd Gnd Gnd Gnd Gnd Gnd Gnd Gnd
RF1 Gnd Gnd Gnd Gnd Gnd Gnd Gnd Gnd RF2
TAD5009
+5V Gnd 3.2 dB 1.6 dB 0.2 dB 0.1 dB 0.4 dB 0.8 dB 6.4 dB Gnd
Gnd Gnd Gnd Gnd Gnd Gnd Gnd Gnd Gnd
Truth Table
Control Input
7 Line TTL
1
0
Attenuator Setting
Attenuate
Thru
Packaging Options (see Appendix)
38 Pin DIP (DP-8)
Typical Performance Data
Insertion Loss (dB)
8
2.0
6
VSWR
4
1.5
2
0
Start 50 MHz
Stop 250 MHz
1.0
Start 50 MHz
Stop 250 MHz
SPECTRUM MICROWAVE • 2144 Franklin Drive N.E. • Palm Bay, Florida 32905 • Phone: [phone] • Fax: [phone]
www.specwave.com SPECTRUM CONTROL GmbH • Hansastrasse 6 • 91126 Schwabach, Germany • Phone: [phone] • Fax: [phone]
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