SERIAL CONTROLLED DIGITAL STEP ATTENUATOR
RFSA2524 Serial Controlled Digital Step Attenuator 50MHz to 4000MHz, 5Bit, 1dB LSB
RFSA2524
SERIAL CONTROLLED DIGITAL S...
Description
RFSA2524 Serial Controlled Digital Step Attenuator 50MHz to 4000MHz, 5Bit, 1dB LSB
RFSA2524
SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz TO 4000MHz, 5-BIT, 1dB LSB
Package: MCM, 24-Pin, 4.2mm x 4.2mm
DATA
CLK
PUP
20
NC
LE
24
23
22
21
Features
GND VDD GND RF1 GND GND
NC
19 18
1
GND GND GND RF2 GND GND
Frequency Range 50MHz to 4000MHz 5-Bits, 31dB Range, 1dB Step High Linearity, IIP3 >48dBm 3V and 5V Logic Compatible Serial-to-Parallel Controller Serial Programming Interface Power-up Programming Modes On-chip ESD Protection Class 1C HBM Single Supply, 3V to 5V Operation Footprint Compatible with Most 24-Pin, 4mm x 4mm, QFNs
2
SPI
17
3
16
4
15
5
5-Bit DSA
14
6
13
7
8
9
10
11
12
GND
GND
GND
Functional Block Diagram
Product Description
RFMD's RFSA2524 is a 5-bit digital step attenuator (DSA) that features high linearity over the entire 31dB gain control range with excellent step accuracy in 1dB steps. The RFSA2524 is programmed via a serial mode control interface that is both 3V and 5V compatible. The RFSA2524 also offers a rugged Class 1C HBM ESD rating via on-chip ESD circuitry. The MCM package is footprint compatible with most 24-pin, 4mm x 4mm, QFN packages.
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Applications
Transceiver RF and IF Applications Cellular, PCS, GSM, UMTS, LTE, WiMax/WiFi Wireless Data, Satellite Terminals Test Equipment
Ordering Information
RFSA2524SR RFSA2524SQ RFSA2524TR7 RFSA2524TR13 RFSA2524PCK-410 7” ...
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