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DATA SHEET
SKY12340-364LF: 300 kHz – 2.0 GHz Five-Bit Digital Attenuator with Serial-to-Parallel Driver
Applications
Cellular infrastructure Wireless receivers
DATA_OUT VSS VDD RF2
8 dB
Features
Single, +5 V DC supply voltage Integrated silicon serial-to-parallel driver Attenuation: 0.5 dB steps to 15.5 dB Small, QFN (32-pin, 5 x 5 mm) Pb-free package (MSL1, 260 C per JEDEC J-STD-020)
Serial-To-Parallel Driver
DATA_IN
4 dB
LATCH
2 dB
CLK_IN
1 dB
RESET
0.5 dB
RF1
S1591
Figure 1. SKY12340-364LF Block Diagram
Description
The SKY12340-364LF is a GaAs FET five-bit digital attenuator I/C with a serial-to-parallel driver. The device is provided in a 5 x 5 mm, 32-pin Quad Flat No-Lead (QFN) package.