HE751A Datasheet, PDF (1/1 Pages) BOWEI Integrated Circuits CO.,LTD. – 6-Bit Digital step Attenuators

BOWEI
BOWEI INTEGRATED CIRCUITS CO.,LTD.
HE751A
6-Bit Digital step Attenuators
Typical Performance
Insertion Loss VS. Frequency
Features
Ta=+85℃
Ta=+25℃
-3
Ta=-55℃
-4
-5
●Frequency Range:50～500MHz
●Maximum attenuation:63dB
●Accurate attenuation
●Hermetic package DIP-16
●Operating temperature range : -55℃ ～+85℃
Specifications( measured in a 50Ωsystem ,Vcc=±5V, TA=-55℃～+85℃)
Parameter
Symbol Unit Guaranteed Typical
Frequency Range ^fL^～fH MHz 50～500
30～500
Insertion loss
I.L
dB
6.0
4.5
Attenuation Range
A
dB
63±2
63±1
Attenuation step –
dB
1
1
Attenuation
Accuracy
–
±0.3(1,2,4dB) ^±0.1
dB _{±0.5(8,16,32dB) ±0.2}
VSWR
VSWR –
Control voltage Vco
–
Switching speed
t
us
Ton
2.0:1
TTL
–
1.5:1
–
. 5(Ton)
2. 5(Toff)
Control Current
Icc
mA
–
15
10 100 200 300 400 500
Frequency(MHz)
1.8
1.6
1.4
1.2
1.0
10
VSWR VS. Frequency
VSWRo
VSWRi
100 200 300 400 500
Frequency(MHz)
Attenuation VS. Frequency
0
1dB
2dB
4dB
8dB
10
16dB
20
30
32dB
10 100 200 300 400 500
Frequency(MHz)
PIN Connection
Absolute Maximum Ratings
DC Supply: +6VDC
Input Power:+20dBm
Storage Temp:+125℃
8 7 6 5 4 3 21
9 10 11 12 13 14 15 16
DIP-16
Application Notes
1.Specificed frequency rang,attenuation
packages are available
2.Interexchangable input and output ports
PIN Function PIN Function
8 ^1dB
4
VCC
7 2dB
9
RFi
6 4dB
16
RFo
5
8dB 10-15 GND
3
16dB
1
N/C
2 ^32dB
3.Logic 0:Insertion Loss ; Logic 1:Attenuation
4.Minimun attenuation step 0.5dB and 6 bits digital
attenuator is available
5.ESD observe handing precautions
HEXXX
6.Please add power first when use,make sure control port contact with low level
● TEL:[phone] 87091887 ● FAX:[phone] ● http://www.cn-bowei.com ● E-mail:[e-mail]
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