DATA SHEET ? SKY12339-350LF 5-BIT DIGITAL ATTENUATOR
Figure 2. SKY12339-350LF Pinout – 16-Pin QFN
(Top View)
Table 1. SKY12339-350LF Signal Descriptions
Pin #
1
2
3
4
5
6
7
8
VS
RF1
N/C
GND
GND
GND
GND
GND
Name
Description
Supply voltage
RF input/output. A DC block is required.
No connection
Ground
Ground
Ground
Ground
Ground
Pin #
9
10
11
1 2
13
14
15
16
GND
N/C
RF2
V5
V4
V3
V2
V1
Name
Description
Ground
No connection
RF input/output. A DC block is required.
Control voltage input for 16 dB weighted bit
Control voltage input for 8 dB weighted bit
Control voltage input for 4 dB weighted bit
Control voltage input for 2 dB weighted bit
Control voltage input for 1 dB weighted bit
Note :
Exposed paddle must be grounded.
Electrical and Mechanical Specifications
The absolute maximum ratings of the SKY12339 - 350LF are
The state of the SKY12339 - 350LF is determined by the logic
provided in Table 4 .
provided in Table 2. E lectrical specifications are provided in
Table 3 .
Typical performance characteristics of the SKY12339 - 350LF are
illustrated in Figures 3 through 9 .
Skyworks Solutions, Inc. ? Phone [781] 376 - 3000 ? Fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com
2
January 17, 2011 ? Skyworks Proprietary Information ? Products and Product Information are Subject to Change Without Notice ? 201143C
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