CHT3029-QEG Datasheet, PDF (4/12 Pages) United Monolithic Semiconductors – DC-31GHz 4Bit Digital Attenuator

CHT3029-QEG
DC-31GHz 4Bit Digital Attenuator
Typical Bias Conditions
Tamb.= +25°C
Symbol Pad N^o
A1
3
A2
2
A3
1
A4
24
V+
16
V-
17
Parameter
Control voltage of attenuator bit 1
Control voltage of attenuator bit 2
Control voltage of attenuator bit 3
Control voltage of attenuator bit 4
Positive biasing voltage
Negative biasing voltage
Values Unit
0 / +3.3 or +5 V
0 / +3.3 or +5 _V
0 / +3.3 or +5 _V
0 / +3.3 or +5 _V
+5
V
–5
V
Attenuator control table
Voltage to apply on pads A1 to A4
State
Att
(dB)
A4
(V)
A3
(V)
A2
(V)
A1
(V)
0
0
0
0
0
0
1
1
0
0
0
3.3
2
2
0
0
3.3
0
3
3
0
0
3.3
3.3
4
4
0
3.3
0
0
5
5
0
3.3
0
3.3
6
6
0
3.3
3.3
0
7
7
0
3.3
3.3
3.3
8
8
3.3
0
0
0
9
9
3.3
0
0
3.3
10
10
3.3
0
3.3
0
11
11
3.3
0
3.3
3.3
12
12
3.3
3.3
0
0
13
13
3.3
3.3
0
3.3
14
14
3.3
3.3
3.3
0
15
15
3.3
3.3
3.3
3.3
Ref. : DSCHT3029-QEG5357 - 23 Dec 15
4/12
Specifications subject to change without notice
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