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PDF HMC1018ALP4E Data sheet ( Hoja de datos )
| Número de pieza | HMC1018ALP4E | |
| Descripción | 1.0 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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v01.1116
Typical Applications
The HMC1018ALP4E is ideal for:
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military Radios, Radar & ECM
• Space Applications
• Sensors
• Test & Measurement Equipment
Functional Diagram
HMC1018ALP4E
1.0 dB LSB GaAs MMIC 5-BIT DIGITAL
ATTENUATOR, 0.1 - 30 GHz
Features
1.0 dB LSB Steps to 31 dB
TTL/CMOS Compatible, Serial Control
Unique Asynchronous Mode Control Allows
Immediate Attenuation Level Setting
±1.0 dB Typical Bit Error
High Input IP3: +43 dBm
24 Lead 4x4mm SMT Package: 16mm2
General Description
The HMC1018ALP4E is a broadband 5-bit GaAs
IC digital attenuator in a low cost leadless surface
mount package. Covering 0.1 to 30.0 GHz, the inser-
tion loss is less than 5.5 dB typical. The attenuator
bit values are 1.0 (LSB), 2, 4, 8, 16 for a total atten-
uation of 31 dB. Attenuation accuracy is excellent
at ±0.4 dB typical step error with an IIP3 of +43 dBm.
The control interface is CMOS/TTL compatible and
accepts a three wire serial input. The HMC1018ALP4E
features a user selectable power up state and a serial
output port for cascading other Analog Devices serial
controlled components.
Electrical Specifications, TA = +25° C, With Vdd = Vdd1 = +5V, Vss = -5V
Parameter
Frequency (GHz)
Min.
Typ.
Insertion Loss
0.1 - 18.0 GHz
18.0 - 26.5 GHz
26.5 - 30.0 GHz
4.5
5.5
6.5
Attenuation Range
0.1 - 30.0 GHz
31
Return Loss (RF1 & RF2, All Atten. States)
0.1 - 30.0 GHz
12
Max.
6.0
7.0
8.0
Attenuation Accuracy: (Referenced to Insertion
Loss)
1.0 - 15 dB States
16 - 31 dB States
16 - 31 dB States
16 - 31 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)
Idd1
Iss
0.1 - 33.0 GHz
0.1 - 20.0 GHz
20.0 - 30.0 GHz
30.0 - 33.0 GHz
0.1 - 0.5 GHz
0.5 - 30.0 GHz
0.1 - 0.5 GHz
0.5 - 30.0 GHz
0.1 - 30.0 GHz
0.1 - 30.0 GHz
0.1 - 30.0 GHz
± (0.5 + 5%) of Atten. Setting Max
± (0.5 + 5%) of Atten. Setting Max
± (0.6 + 8%) of Atten. Setting Max
± (0.6 + 10%) of Atten. Setting Max
20
25
40
43
60
90
2.5 4.5 6.5
-7.0 -5.5 -3.0
Units
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
ns
ns
mA
mA
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  
HMC1018ALP4E
v01.1116
1.0 dB LSB GaAs MMIC 5-BIT DIGITAL
ATTENUATOR, 0.1 - 30 GHz
Serial Control Interface
The HMC1018ALP4E contains a 3-wire SPI compatible digital interface (SERIN, CLK, LE). The serial control interface
is activated when S/A is kept high. The 5-bit serial word must be loaded MSB first as a 6-bit word with the first
bit ignored. The positive-edge sensitive CLK and LE requires clean transitions. If mechanical switches are used,
sufficient debouncing should be provided. When LE is high, 5-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.
For all modes of operations, the state will stay constant while LE is kept low.
Serial Mode Truth Table
P4
16 dB
Control Voltage Input
P3
8 dB
P2
4 dB
P1
2 dB
P0
1 dB
Attenuation
State
RF1 - RF2
High High
High
High
High Reference I.L.
High High
High
High
Low
1 dB
High High
High
Low
High
2 dB
High High Low High High
4 dB
High Low High High High
8 dB
Low High High High High
16 dB
Low Low
Low Low
Low
31 dB
Any combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
Parameter
Min. serial period, tSCK
Control set-up time, tCS
Control hold-time, tCH
LE setup-time, tLN
Min. LE pulse width, tLEW
Min LE pulse spacing, tLES
Serial clock hold-time from LE, tCKN
Hold Time, tPH.
Latch Enable Minimum Width, tLEN
Setup Time, tPS
Typ.
100 ns
20 ns
20 ns
10 ns
10 ns
630 ns
10 ns
0 ns
10 ns
2 ns
Asynchronous Mode
The HMC1018ALP4E can be switched to an asynchronous mode to change the attenuation state rapidly to one of four
predefined states. The logic state of ASM1-ASM2 determines one of the four attenuation states in the asynchronous
mode per truth table. The asynchronous mode works either directly or latched. To activate the direct-asynchronous-
mode, S/A needs to be at logic low and LE needs to be at logic high. In the direct-asynchronous-mode, any change in
the logic state of ASM1-ASM2 directly affects the attenuation state. In the latched-asynchronous-mode, the attenuation
state changes per the asynchronous mode truth table when S/A is at logic low and LE is pulsed per the timing diagram.
The attenuation stays constant (latched) as long as LE stays low. In the asynchronous mode, the inputs SERIN and
CLK do not affect the attenuation state.
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
5 Page 
Notes:
HMC1018ALP4E
v01.1116
1.0 dB LSB GaAs MMIC 5-BIT DIGITAL
ATTENUATOR, 0.1 - 30 GHz
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
10
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| PDF Descargar | [ Datasheet HMC1018ALP4E.PDF ] | |
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