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RFSA3715TR13

Description
5MHz to 4000MHz, Digital Step Attenuator
File Size2MB,20 Pages
ManufacturerRF Micro Devices (Qorvo)
Download Datasheet View All

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RFSA3715TR13 Overview

5MHz to 4000MHz, Digital Step Attenuator

RFSA3715
5MHz to 4000MHz, Digital Step Attenuator
The RFMD’s RFSA3715 is a 7-bit digital step attenuator
(DSA) that features high linearity over the entire 31.75dB gain
control range with 0.25dB steps. The RFSA3715 features
three modes of control: serial addressable, latched parallel
and direct parallel programming. The RFSA3715 has a low
insertion loss of 1.5dB at 2GHz. Patent pending circuit
architecture providing overshoot-free transient switching
performance. External address pins allow up to eight DSAs to
be controlled on a single bus. The RFSA3715 is available in a
5mm x 5mm QFN package.
RFSA3715
Package: QFN, 32-pin,
5.0mm x 5.0mm x 0.85mm
Features
7-Bit, 31.75dB Range, 0.25dB Step
Patent Pending Circuit Architecture
Overshoot-free Transient
Switching Performance
Frequency Range 5MHz to
4000MHz
High Linearity, IIP3 >55dBm
Serial and Parallel Control
Interface
Fast Switching Speed,
<120nsec
Serial Addressable Supports Up to
Eight Addresses
Single Supply 3V to 5V Operation
RF Pins Have No DC Voltage, Can
Be DC Grounded Externally
Power-up Default Setting is
Maximum Attenuation
C0.25
C0.5
C16
C1
C2
C4
C8
SI
32
NC
VDD
PBAR/S
A0
GND
GND
RFIN
GND
1
2
3
4
5
6
7
8
9
GND
31
30
29
28
27
26
25
24
CLK
LE
A1
A2
GND
GND
RFOUT
GND
23
22
21
20
19
LOGIC CONTROL
7-BIT DSA
18
17
Applications
2G through 4G Base Stations
Point-to-Point
WiMax/WiFi
Test Equipment
10
GND
11
GND
12
GND
13
GND
14
GND
15
GND
16
GND
Functional Block Diagram
Ordering Information
RFSA3715SQ
RFSA3715SR
RFSA3715TR13
RFSA3715PCK-410
Sample bag with 25 pieces
7" Reel with 100 pieces
13" Reel with 2500 pieces
5MHz to 4000MHz PCBA with 5-piece sample bag
DS150205
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or
customerservice@rfmd.com.
RF MICRO DEVICES
®
and RFMD
®
are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names,
trademarks, and registered trademarks are the property of their respective owners. ©2013, RF Micro Devices, Inc.
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