Datasheet > RFSA3715SR

RFSA3715SR

更新时间： 2024-11-19 01:05:15

品牌	Logo	应用领域
威讯 - RFMD		电信电信集成电路
页数	文件大小	规格书
20页	1888K
描述
5MHz to 4000MHz, Digital Step Attenuator

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数据手册

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RFSA3715SR 数据手册

RFSA3715

5MHz to 4000MHz, Digital Step Attenuator

Package: QFN, 32-pin,

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.

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

CLK

VDD

RF Pins Have No DC Voltage, Can

Be DC Grounded Externally

LOGIC CONTROL

PBAR/S

■

Power-up Default Setting is

Maximum Attenuation

20 GND

GND

18 RFOUT

GND

7-BIT DSA

Applications

RFIN

GND

■

2G through 4G Base Stations

Point-to-Point

WiMax/WiFi

Test Equipment

Functional Block Diagram

Ordering Information

RFSA3715SQ

Sample bag with 25 pieces

RFSA3715SR

7" Reel with 100 pieces

RFSA3715TR13

RFSA3715PCK-410

13" Reel with 2500 pieces

5MHz to 4000MHz PCBA with 5-piece sample bag

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421

DS150205

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,

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