Datasheet > 射频和微波 > 射频/微波衰减器> HMC271LP4E

HMC271LP4E

更新时间： 2024-01-25 18:36:47

品牌	Logo	应用领域
HITTITE		衰减器
页数	文件大小	规格书
8页	347K
描述
1 dB LSB GaAs MMIC 5-BIT SERIAL CONTROL DIGITAL ATTENUATOR, 0.7 - 3.7 GHz

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HMC271LP4E 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	Reach Compliance Code：	compliant
风险等级：	5.83	其他特性：	CMOS COMPATIBLE
标称衰减：	31 dB	特性阻抗：	50 Ω
构造：	COMPONENT	最大输入功率 (CW)：	26.02 dBm
最大插入损耗：	3.3 dB	JESD-609代码：	e3
最大工作频率：	3700 MHz	最小工作频率：	700 MHz
最高工作温度：	85 °C	最低工作温度：	-40 °C
射频/微波设备类型：	VARIABLE ATTENUATOR	端子面层：	Matte Tin (Sn)
Base Number Matches：	1

HMC271LP4E 数据手册

HMC271LP4 / 271LP4E

v03.0809

1 dB LSB GaAs MMIC 5-BIT SERIAL

CONTROL DIGITAL ATTENUATOR, 0.7 - 3.7 GHz

Features

Typical Applications

The HMC271LP4 / HMC271LP4E is ideal for:

• Cellular/3G Infrastructure

1 dB LSB Steps to 31 dB

CMOS Compatible Serial Data Interface

SPI Compatible Serial Output

• Fixed Wireless, WiMax & WiBro

• Test Instrumentation

0.4 dB Typical Bit Error

24 Lead 4x4mm QFN Package: 16mmꢀ

Included in the HMC-DK004 Designer’s Kit

Functional Diagram

General Description

The HMC271LP4 & HMC271LP4E are broadband

5-bit positive control GaAs IC digital attenuators with

CMOS compatible serial-to-parallel drivers in low

cost leadless QFN 4x4 mm SMT packages. Covering

0.7 to 3.7 GHz, the insertion loss is typically less than

2.5 dB. The attenuator bit values are 1 (LSB), 2, 4, 8,

and 16 dB for a total attenuation of 31 dB. Accuracy

is excellent at 0.4 dB typical with an IIP3 of up to

+48 dBm. Five bit CMOS compatible serial control

words are used to select each attenuation state.

A single Vcc bias of +3V to +5V applied through an

external 5k Ohm resistor is required.

Electrical Speciﬁcations, T_A= +25° C, Vcc = +3V to +5V

Parameter

Frequency

Min.

Typical

Max.

Units

0.7 - 1.4 GHz

1.4 - 2.3 GHz

2.3 - 2.7 GHz

2.7 - 3.7 GHz

1.9

2.3

2.6

2.8

2.4

2.8

3.1

3.3

Insertion Loss

Attenuation Range

0.7 - 3.7 GHz

0.7 - 1.4 GHz

1.4 - 2.7 GHz

2.7 - 3.7 GHz

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

Attenuation Accuracy: (Referenced to Insertion Loss)

All Attenuation States

0.7 - 0.9 GHz

0.9 - 2.2 GHz

2.2 - 3.7 GHz

(0.4 + 5% of Atten. Setting) Max

(0.4 + 4% of Atten. Setting) Max

(0.4 + 5% of Atten. Setting) Max

Vcc = 5V

Vcc = 3V

dBm

Input Power for 0.1 dB Compression

0.7 - 3.7 GHz

Input Third Order Intercept Point

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

Vcc = 5V

Vcc = 3V

dBm

Switching Characteristics

tRISE, tFALL (10/90% RF)

tON, tOFF (Latch Enable to 10/90% RF)

750

830

0.7 - 3.7 GHz

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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