HMC542ALP4E HITTITE [Hittite Microwave Corporation], HMC542ALP4E Datasheet

HMC542ALP4E

Manufacturer Part Number

HMC542ALP4E

Description

0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, DC - 4 GHz

Manufacturer

HITTITE [Hittite Microwave Corporation]

Datasheet

1.HMC542ALP4E.pdf (8 pages)

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Typical Applications

the HMC542ALP4(e) is ideal for:

• Cellular/PCs/3G Infrastructure

• IsM, MMDs, WLAn, WiMAX, & WiBro

• Microwave radio & VsAt

• test equipment and sensors

Functional Diagram

Electrical Specifications,

Insertion Loss

Attenuation range

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

0.5 - 3.5 dB states

4.0 - 31.5 dB states

Input Power for 0.1 dB Compression

Input third order Intercept Point

(two-tone Input Power= 0 dBm each tone)

switching Characteristics

trIse, tFALL (10/90% rF)

ton, toFF (50% CtL to 10/90% rF)

For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824

Phone: 978-250-3343

Parameter

Application Support: Phone: 978-250-3343 or apps@hittite.com

v05.0311

= +25° C, with Vcc = +5V

Fax: 978-250-3373

SERIAL CONTROL ATTENUATOR, DC - 4 GHz

HMC542ALP4 / 542ALP4E

0.5 dB LSB GaAs MMIC 6-BIT DIGITAL

Features

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

24 Lead 4x4mm QFn Package: 16mm²

General Description

the HMC542ALP4(e) is a broadband 6-bit GaAs IC

digital attenuator with a CMos compatible serial

to parallel driver in low cost leadless surface mount

package. this serial control digital attenuator incorp

rates off chip AC ground capacitors for near DC opera-

tion, making it suitable for a wide variety of rF and

IF applications. Covering DC to 4 GHz, the inser-

tion loss is 1.5 dB and the attenuator bit values are

0.5 (LsB), 1, 2, 4, 8, and 16 dB for a total attenua-

tion 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.

Frequency (GHz)

Order On-line at www.hittite.com

DC - 1.5 GHz

1.5 - 3.0 GHz

3.0 - 4.0 GHz

DC - 4.0 GHz

DC - 1.0 GHz

1.0 - 2.2 GHz

2.2 - 3.0 GHz

3.0 - 4.0 GHz

1.5 - 4.0 GHz

DC - 4.0 GHz

0.1 - 4.0 GHz

0.1 - 1.5 GHz

± (0.20 + 3% of Atten. setting) Max.

± (0.25 + 3% of Atten. setting) Max.

± (0.50 + 5% of Atten. setting) Max.

± (0.15 + 4% of Atten. setting) Max.

± (0.30 + 3% of Atten. setting) Max

± (0.15 + 5% of Atten. setting) Max

Min.

31.5

typ.

900

800

1.2

1.5

1.8

Max.

1.5

1.8

2.3

units

dBm

Related parts for HMC542ALP4E

HMC542ALP4E Summary of contents

Page 1

Typical Applications the HMC542ALP4(e) is ideal for: • Cellular/PCs/3G Infrastructure • IsM, MMDs, WLAn, WiMAX, & WiBro • Microwave radio & VsAt • test equipment and sensors Functional Diagram Electrical Specifications, Parameter Insertion Loss Attenuation range return Loss (rF1 ...

Page 2

Insertion Loss 0 -0.5 -1 -1.5 -2 +25 C +85 C - 0.5 1 1.5 2 2.5 3 FREQUENCY (GHz) Normalized Attenuation (Only Major States are Shown -10 -15 -20 -25 -30 -35 ...

Page 3

Worst Case Step Error Between Successive Attenuation States 1 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0 0.5 1 1.5 FREQUENCY (GHz) Timing symbol Parameter serial Input setup time Hold time from serial Input to shift ...

Page 4

Logic / Functional Diagram Programming Example to Select 16 dB Attenuation State For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Application Support: Phone: 978-250-3343 or apps@hittite.com HMC542ALP4 / 542ALP4E ...

Page 5

Pin Descriptions Pin number Function 14, n/C 16-18 Vcc 4, 15 rF1, rF2 6 - 11, 13 ACG1 - ACG7 12 n/C 19 serial output 20 reset 21 shift Clock 22 Latch enable 24 ...

Page 6

Application Circuit For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Application Support: Phone: 978-250-3343 or apps@hittite.com HMC542ALP4 / 542ALP4E 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, ...

Page 7

... Outline Drawing Package Information Part number HMC542ALP4 Low stress Injection Molded Plastic HMC542ALP4e roHs-compliant Low stress Injection Molded Plastic [1] Max peak reflow temperature of 235 °C [2] Max peak reflow temperature of 260 °C [3] 4-Digit lot number XXXX For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 ...

Page 8

Evaluation PCB List of Materials for Evaluation PCB 114399 Item Description PCB Mount sMA Connector J3 18 Pin DC Connector J4 Pin C1 1000 pF Capacitor, 0603 Pkg. C2, C3 1000 pF Capacitor, 0402 ...

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