hmc542alp4 Hittite Microwave Corporation, hmc542alp4 Datasheet

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hmc542alp4

Manufacturer Part Number
hmc542alp4
Description
0.5 Db Lsb Gaas Mmic 6-bit Digital Serial Control Attenuator, Dc - 3 Ghz
Manufacturer
Hittite Microwave Corporation
Datasheet

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8 - 1
8
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
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
T
A
v02.0510
= +25° C, with Vcc = +5V
Fax: 978-250-3373
SERIAL CONTROL ATTENUATOR, DC - 3 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
operation, making it suitable for a wide variety of
rF and IF applications. Covering DC to 3 GHz, the
insertion loss is 1.5 dB and 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.
Frequency (GHz)
Order On-line at www.hittite.com
DC - 1.5 GHz
1.5 - 3.0 GHz
DC - 1.0 GHz
1.0 - 2.2 GHz
1.0 - 2.2 GHz
2.2 - 3.0 GHz
1.5 - 3.0 GHz
0.1 - 3.0 GHz
0.1 - 1.5 GHz
DC - 3 GHz
DC - 3 GHz
DC - 3 GHz
± (0.20 + 3% of Atten. setting) Max.
± (0.25 + 3% of Atten. setting) Max.
± (0.30 + 3% of Atten. setting) Max.
± (0.15 + 4% of Atten. setting) Max.
Min.
31.5
typ.
900
800
1.2
1.5
17
20
35
45
Max.
1.5
1.8
units
dBm
dBm
dBm
dB
dB
dB
dB
dB
dB
dB
dB
ns
ns

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hmc542alp4 Summary of contents

Page 1

... Lead 4x4mm QFn Package: 16mm² General Description the HMC542ALP4( 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 operation, making it suitable for a wide variety of rF and IF applications ...

Page 2

... FREQUENCY (GHz) 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 GHz Return Loss RF1, RF2 (Only Major States are Shown) ...

Page 3

... Timing Diagram 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 v02.0510 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR GHz Digital Control Voltages Serial Input Truth Table ...

Page 4

... 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 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR GHz Fax: 978-250-3373 Order On-line at www.hittite.com ...

Page 5

... GnD 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 v02.0510 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR GHz Description these pins are not connected internally. However, all data shown herein was measured with these pins connected to rF/DC Ground ...

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 GHz Fax: 978-250-3373 Order On-line at www.hittite.com ...

Page 7

... XXXX 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 v02.0510 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR GHz Bias Voltage +27 dBm (t = +85 °C) -0 ...

Page 8

... Circuit Board Material: rogers 4350 or Arlon 25Fr 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 GHz [1] the circuit board used in the application should use rF circuit design techniques ...

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