Datasheet > HMC624A

HMC624A

更新时间： 2023-12-18 00:00:00

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
15页	578K
描述
0.1 GHz to 6.0 GHz,0.5 dB LSB, 6-Bit, GaAs Digital Attenuator

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HMC624A 数据手册

0.1 GHz to 6.0 GHz,0.5 dB LSB, 6-Bit,

GaAs Digital Attenuator

Data Sheet

HMC624A

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Attenuation range: 0.5 dB (LSB) steps to 31.5 dB

Low insertion loss: 1.6 dB at 3 GHz

Excellent attenuation accuracy

P/S

CLK

18 VDD

High linearity

PUP1

Input 0.1dB compression (P0.1dB): 33 dBm typical

Input third-order intercept (IP3): 55 dBm typical

High RF input power handling: 28 dBm

Low phase shift: 25° at 3 GHz

Single-supply operation: 3 V to 5 V

CMOS-/TTL-compatible control

SERIAL/

PARALLEL

INTERFACE

PUP2

SERIN

SEROUT

GND

6-BIT/

DIGITAL

ATTENUATOR

GND

ATTOUT

ATTIN

24-lead, 4 mm × 4 mm LFCSP package

Pin compatible to the HMC1122

PACKAGE

BASE

APPLICATIONS

GND

Cellular infrastructure

Microwave radios and very small aperture terminals (VSATs)

Test equipment and sensors

Figure 1.

Intermediate frequency (IF) and radio frequency (RF) designs

GENERAL DESCRIPTION

The HMC624A is a 6-bit digital attenuator with a 31.5 dB

attenuation control range in 0.5 dB steps.

serial output port for cascading other serial controlled

components.

The HMC624A offers excellent attenuation accuracy and high

input linearity over the specified frequency range from 100 MHz

to 6.0 GHz. However, this digital attenuator features external ac

grounding capacitors to extend the operation below 100 MHz.

The HMC624A operates with a single positive supply voltage

from 3 V to 5 V, and provides a CMOS-/TTL-compatible

control interface.

The HMC624A comes in a RoHS compliant, compact, 4 mm ×

4 mm LFCSP package, and is pin compatible to the HMC1122

except for the ACGx pins.

The HMC624A is integrated with two dies: a CMOS driver and

a gallium arsenide (GaAs) RF attenuator. The CMOS driver

provides both serial and parallel control of the RF attenuator.

The device also features a user-selectable power-up state and a

Rev. B

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

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