DC-6GHz 6-BIT DIGITAL ATTENUATOR
Mechanical dimensions and pad allocation
CHT4012-98F
Chip thickness = 100µm +/- 10µm.
RF pads (1, 14) = 122 x 100µm²
DC and control pads (2, 4, 6, 7, 8, 9, 10, 13, 12, 15, 16) = 100 x 100µm²
Pin number
1
2
4
6
7
8
9
10
13
14
3, 5
11
12, 15, 16
(1)
Pad name
IN
A1
A2
A3
A4
A5
A6
V-
V+
OUT
V+
GND
Description
Input RF:
Attenuator bit 1
Attenuator bit 2
Attenuator bit 3
Attenuator bit 4
Attenuator bit 5
Attenuator bit 6
-5V supply voltage: interface
+5V supply voltage: interface
(1)
Output RF
NC
NC
(1)
NC
Pin n°11 is internally connected to Pin n°13. Each one of these pins can be indifferently
used to supply the control interface with +5V
Ref. : DSCHT40121069 - 10 Mar 11
9/14
Specifications subject to change without notice
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UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
