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| 型号： | HMC629LP4 |
| 厂商： | HITTITE MICROWAVE CORP |
| 元件分类： | 衰减器 |
| 英文描述： | 0 MHz - 6000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 5 dB INSERTION LOSS-MAX |
| 封装： | 4 X 4 MM, PLASTIC, LEADLESS, SMT, QFN-24 |
| 文件页数： | 1/8页 |
| 文件大小： | 885K |
| 代理商： | HMC629LP4 |
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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HMC629LP4 / 629LP4E
3 dB LSB GaAs MMIC 4-BIT
DIGITAL ATTENUATOR, DC - 6 GHz
v07.0410
Functional Diagram
Electrical Specifications,
T
A = +25° C, 50 Ohm System, with Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)
The HMC629LP4(E) is a broadband 4-bit GaAs IC
Digital Attenuator in a low cost leadless SMT package.
This versatile digital attenuator incorporates off-chip
AC ground capacitors for near DC operation, making
it suitable for a wide variety of RF and IF applications.
The dual mode control interface is CMOS/TTL
compatible, and accepts either a three wire serial input
or a 4-bit parallel word. For applications which require
only 33 dB of attenuation range, the HMC629LP4(E)
provides excellent attenuation accuracy up to 10 GHz.
The HMC629LP4(E) is housed in a RoHS compliant
4x4 mm QFN leadless package, and requires no
external matching components.
Parameter
Frequency (GHz)
Min.
Typ.
Max.
Units
Insertion Loss
DC - 6
2.5
5
dB
Attenuation Range
DC - 6
45
dB
Return Loss (ATTIN, ATTOUT, All Atten. States)
DC - 6
17
dB
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
± (0.50 + 5% of Atten. Setting) Max.
dB
Typical Applications
Features
General Description
The HMC629LP4(E) is ideal for:
Cellular/3G Infrastructure
WiBro / WiMAX / 4G
Microwave Radio & VSAT
Test Equipment and Sensors
IF & RF Applications
3 dB LSB Steps to 45 dB
Power-Up State Selection
Low Insertion Loss: 2.5 dB
TTL/CMOS Compatible, Serial, Parallel
or Latched Parallel Control
±0.25 dB Typical Step Error
Single +3V or +5V Supply
24 Lead 4x4mm SMT Package: 16mm2
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