CHT3029-99F Datasheet, PDF (4/12 Pages) United Monolithic Semiconductors – DC-35GHz 4 Bit Digital Attenuator

CHT3029-99F
DC-35GHz 4 Bit Digital Attenuator
Typical Bias Conditions
Tamb.= +25°C
Symbol Pad N^o
A1
2
A2
3
A3
4
A4
5
V+
8
V-
7
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. : DSCHT30294330 - 26 Nov 14
4/12
Specifications subject to change without notice
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