SKY12340-364LF Datasheet, PDF (2/13 Pages) Skyworks Solutions Inc. – 300 kHz - 2.0 GHz Five-Bit Digital Attenuator with Serial-to-Parallel Driver

DATA SHEET • SKY12340-364LF FIVE-BIT DIGITAL ATTENUATOR
32 31 30 29 28 27 26 25
DATA_OUT 1
GND ²
GND 3
GND 4
RF1 5
GND 6
GND 7
GND 8
24 RESET
23 _GND
22 GND
21 GND
20 RF2
19 GND
18 GND
17 GND
9 10 11 12 13 14 15 16
S1584
Figure 2. SKY12340-364LF Pinout – 32-Pin QFN
(Top View)
Table 1. SKY12340-364LF Signal Descriptions
Pin #
Name
Description
1
DATA_OUT
Serial data output
2
GND
Ground
3
GND
Ground
4
GND
Ground
5
RF1
RF input/output
6
GND
Ground
7
GND
Ground
8
GND
Ground
9
GND
Ground
10 GND
Ground
11 GND
Ground
12 GND
Ground
13 GND
Ground
14 GND
Ground
15 GND
Ground
16 GND
Ground
Pin #
Name
17 GND
18 GND
19 GND
20 RF2
21 GND
22 GND
23 GND
24 RESET
25 LATCH
26 DATA_IN
27 CLK_IN
28 VSS
29 GND
30 C2
31 C1
32 VDD
Description
Ground
Ground
Ground
RF input/output
Ground
Ground
Ground
Reset
Latch enable
Serial data input
Serial clock input
Low output voltage level
Ground
Charge pump capacitor 2
Charge pump capacitor 1
Supply voltage
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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January 5, 2010 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201111B