Datasheet > 射频和微波 > 射频/微波衰减器> HMC542LP4E

HMC542LP4E

更新时间： 2024-02-17 11:40:36

品牌	Logo	应用领域
HITTITE		射频和微波射频衰减器微波衰减器
页数	文件大小	规格书
8页	470K
描述
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, DC - 3.0 GHz

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HMC542LP4E 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	LCC24,.16SQ,20	Reach Compliance Code：	unknown
风险等级：	5.81	安装特点：	SURFACE MOUNT
端子数量：	24	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装等效代码：	LCC24,.16SQ,20	电源：	5 V
子类别：	RF/Microwave Attenuators	表面贴装：	YES
技术：	GAAS	Base Number Matches：	1

HMC542LP4E 数据手册

HMC542LP4 / 542LP4E

v00.0306

0.5 dB LSB GaAs MMIC 6-BIT DIGITAL

SERIAL CONTROL ATTENUATOR, DC - 3.0 GHz

Typical Applications

Features

The HMC542LP4 / HMC542LP4E is ideal for both RF

and IF applications:

0.5 dB LSB Steps to 31.5 dB

TTL/CMOS Compatible Serial Data Interface

SPI Compatible Serial Output

+/- 0.25 dB Typical Step Error

Single +5V Supply

• Cellular/PCS/3G Infrastructure

• ISM, MMDS, WLAN, WiMAX, & WiBro

• Microwave Radio & VSAT

• Test Equipment and Sensors

4x4 mm SMT Package

Functional Diagram

General Description

The HMC542LP4 & HMC542LP4E are broadband

6-bit GaAs IC digital attenuators with CMOS com-

patible serial to parallel drivers in low cost lead-

less surface mount packages. This serial control

digital attenuator incorporates off chip AC ground

capacitors for near DC operation, making it suit-

able for a wide variety of RF and IF applications.

Covering DC to 3.0 GHz, the insertion loss is less

than 1.5 dB typical. The attenuator bit values are 0.5

(LSB), 1, 2, 4, 8, and 16 dB for a total attenuation of

31.5 dB. Attenuation accuracy is excellent at 0.25 dB

typical step error with an IIP3 of +45 dBm. Six bit serial

control words are used to select each attenuation

state. A single Vdd bias of +5V is required.

Electrical Specifications, T_A= +25° C, With Vcc = +5V

Parameter

Frequency (GHz)

Min.

Typ.

Max.

Units

DC - 1.5 GHz

1.5 - 3.0 GHz

1.2

1.5

1.8

Insertion Loss

Attenuation Range

DC - 3.0 GHz

31.5

Return Loss (RF1 & RF2, All Atten. States)

Attenuation Accuracy: (Referenced to Insertion Loss)

All Attenuation States

0.5 - 3.5 dB States

4.0 - 31.5 dB States

All Attenuation States

DC - 1.0 GHz

1.0 - 2.2 GHz

2.2 - 3.0 GHz

(0.20 + 3% of Atten. Setting) Max.

(0.25 + 3% of Atten. Setting) Max.

(0.15 + 4% of Atten. Setting) Max.

(0.30 + 3% of Atten. Setting) Max.

Input Power for 0.1 dB Compression

0.1 - 3.0 GHz

dBm

Input Third Order Intercept Point

(Two-Tone Input Power= 0 dBm Each Tone)

0.1 - 1.5 GHz

1.5 - 3.0 GHz

dBm

Switching Characteristics

DC - 3.0 GHz

tRISE, tFALL (10/90% RF)

800

900

tON, tOFF (50% CTL to 10/90% RF)

For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order On-line at www.hittite.com

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