HMC540LP3_08 HITTITE [Hittite Microwave Corporation], HMC540LP3_08 Datasheet
HMC540LP3_08
Manufacturer Part Number
HMC540LP3_08
Description
1 dB LSB GaAs MMIC 4-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, DC - 5.5 GHz
Manufacturer
HITTITE [Hittite Microwave Corporation]
Datasheet
1.HMC540LP3_08.pdf
(6 pages)
5 - 170
5
Typical Applications
The HMC540LP3 / HMC540LP3E is ideal for both RF
and IF applications:
• Cellular Infrastructure
• ISM, MMDS, WLAN, WiMAX, WiBro
• Microwave Radio & VSAT
• Test Equipment and Sensors
Functional Diagram
Electrical Specifi cations,
T
Insertion Loss
Attenuation Range
Return Loss (RF1 & RF2, All Atten. States)
Attenuation Accuracy:
(Referenced to Insertion Loss)
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)
A
= +25° C, With Vdd = +5V & Vctl = 0/+5V
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
Parameter
POSITIVE CONTROL ATTENUATOR, DC - 5.5 GHz
v00.0605
Order On-line at www.hittite.com
REF - 4 dB States
5 - 15 dB States
All States
(Unless Otherwise Noted)
1 dB LSB GaAs MMIC 4-BIT DIGITAL
HMC540LP3
Frequency (GHz)
DC - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
DC - 5.5 GHz
DC - 3.5 GHz
3.5 - 5.5 GHz
DC - 1.0 GHz
1.0 - 4.0 GHz
4.0 - 5.0 GHz
5.0 - 5.5 GHz
0.1 - 5.5 GHz
0.1 - 5.5 GHz
4.0 -5.5 GHz
DC -5.5 GHz
Features
1 dB LSB Steps to 15 dB
± 0.2 dB Typical Step Error
Low Insertion Loss: 1 dB
High IP3: +50 dBm
Single Control Line Per Bit
TTL/CMOS Compatible Control
Single +5V Supply
3x3 mm SMT Package
General Discription
The HMC540LP3 & HMC540LP3E are broadband
4-bit GaAs IC digital attenuators in low cost leadless
surface mount packages. This single positive control
line per bit digital attenuator utilizes off chip AC
ground capacitors for near DC operation, making it
suitable for a wide variety of RF and IF applications.
Covering DC to 5.5 GHz, the insertion loss is less
than 1 dB typical. The attenuator bit values are
1 (LSB), 2, 4 and 8 dB for a total attenuation of 15 dB.
Attenuation accuracy is excellent at ± 0.2 dB typical
step error. The attenuator also features a IIP3 of +50
dBm. Four TTL/CMOS control inputs are used to
select each attenuation state. A single Vdd bias of
+5V is required.
± (0.2 + 2% of Atten. Setting) Max.
± (0.2 + 3% of Atten. Setting) Max.
± (0.3 + 5% of Atten. Setting) Max.
± (0.4 + 8% of Atten. Setting) Max.
Min.
Typ.
/
100
0.8
1.0
1.3
2.2
20
50
45
95
15
15
27
540LP3E
Max.
1.1
1.3
1.6
2.6
Units
dBm
dBm
dBm
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
ns
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HMC540LP3_08 Summary of contents
Page 1
Typical Applications The HMC540LP3 / HMC540LP3E is ideal for both RF and IF applications: • Cellular Infrastructure • ISM, MMDS, WLAN, WiMAX, WiBro • Microwave Radio & VSAT • Test Equipment and Sensors Functional Diagram Electrical Specifi cations, T ...
Page 2
POSITIVE CONTROL ATTENUATOR 5.5 GHz Insertion Loss 0 -0.5 -1 -1.5 + +85 C - FREQUENCY (GHz) Normalized Attenuation (Only Major States are Shown ...
Page 3
Worst Case Step Error Between Successive Attenuation States 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0 FREQUENCY (GHz) Bias Voltage & Current Vdd = +5.0 Vdc ± 10% Vdd (VDC) +4.5 +5.0 +5.5 Control ...
Page 4
POSITIVE CONTROL ATTENUATOR 5.5 GHz Absolute Maximum Ratings RF Input Power (DC - 5.5 GHz) +29 dBm (T = +85 °C) Control Voltage Range (V1 to V4) -1V to Vdd +1V Bias Voltage (Vdd) +7.0 Vdc Channel ...
Page 5
Pin Descriptions Pin Number Function 1 Vdd 2, 11 RF1, RF2 10 ACG1 - ACG4 GND Application Circuit Recommended Component Values ...
Page 6
POSITIVE CONTROL ATTENUATOR 5.5 GHz Evaluation PCB List of Materials for Evaluation PCB 111315 Item Description PCB Mount SMA Connector Pin 1000 pF Capacitor, 0402 Pkg. C4, ...