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PDF HMC629ALP4E Data sheet ( Hoja de datos )
| Número de pieza | HMC629ALP4E | |
| Descripción | 3 dB LSB GaAs MMIC 4-BIT DIGITAL ATTENUATOR | |
| Fabricantes | Analog Devices | |
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Typical Applications
The HMC629ALP4E is ideal for:
• Cellular/3G Infrastructure
• WiBro / WiMAX / 4G
• Microwave Radio & VSAT
• Test Equipment and Sensors
• IF & RF Applications
Functional Diagram
HMC629ALP4E
v01.0716
3 dB LSB GaAs MMIC 4-BIT
DIGITAL ATTENUATOR, DC - 10GHz
Features
3 dB LSB Steps to 45 dB
Power-Up State Selection
Low Insertion Loss: 2.25 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
General Description
The HMC629ALP4E 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 com-
patible, and accepts either a three wire serial input or
a 4-bit parallel word. The HMC629ALP4E is housed
in a RoHS compliant 4x4 mm QFN leadless package,
and requires no external matching components.
Electrical Specifications,
TA = +25°C, 50 Ohm System, with Vdd = +5V & Vctl = 0/+5V (Unless Otherwise Noted)
Parameter
Frequency (GHz)
Min.
Typ.
Max.
Insertion Loss
DC - 6 GHz
6 - 10 GHz
2.25
3.75
Attenuation Range
DC - 10 GHz
45
Return Loss (ATTIN, ATTOUT, All Atten. States)
DC - 6 GHz
6 - 10 GHz
17
15
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
DC - 6 GHz
6 - 10 GHz
± (0.4 + 4% of Atten. Setting) Max.
± (0.5 + 5% of Atten. Setting) Max.
Input Power for 0.1 dB Compression
DC - 10 GHz
30 at Vdd=5V
25 at Vdd=3V
Input Third Order Intercept Point
(Two-Tone Input Power = 20 dBm Each Tone)
DC - 10 GHz
55
Switching Speed
tRise, tFall (10 / 90% RF)
tON , tOFF (50% LE to 10 / 90% RF)
DC - 10 GHz
100
120
Units
dB
dB
dB
dB
dB
dB
dBm
dBm
ns
ns
Information furnished by Analog Devices is believed to be accurate and reliable. However, no For price, delivery, and to place orders: Analog Devices, Inc.,
1 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 registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
1 page  
HMC629ALP4E
v01.0716
3 dB LSB GaAs MMIC 4-BIT
DIGITAL ATTENUATOR, DC - 10GHz
Serial Control Interface
The HMC629ALP4E contains a 3-wire SPI compatible digital interface (SERIN, CLK, LE). The serial control interface
is activated when P/S is kept high. The 4-bit serial word must be loaded MSB first. The positive-edge sensitive CLK
and LE requires clean transitions. If mechanical switches are used, sufficient debouncing should be provided. When
LE is high, 4-bit data in the serial input register is transferred to the attenuator. When LE is high CLK is masked to
prevent data transition during output loading.
When P/S is low, 3-wire SPI interface inputs (SERIN, CLK, LE) are disabled and the input register is loaded with
parallel digital inputs (D0-D3). When LE is high, 4-bit parallel data changes the state of the part per truth table.
For all modes of operations, the state will stay constant while LE is kept low.
For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
4
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet HMC629ALP4E.PDF ] | |
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