HMC424ALH5 Datasheet, PDF (1/6 Pages) Analog Devices – 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 13 GHz

Typical Applications
The HMC424ALH5 is ideal for:
• Telecom Infrastructure
• Military Radio, Radar & ECM
• Space Systems
• Test Instrumentation
Functional Diagram
HMC424ALH5
v00.0416
0.5dB LSB GaAs MMIC 6-BIT DIGITAL
ATTENUATOR, DC - 13 GHz
Features
0.5 dB LSB Steps to 31.5 dB
Single Control Line Per Bit
± 0.3 dB Typical Bit Error
Hermetic SMT Package, 25mm²
Screening to MIL-PRF-38535 (Class B or S) Available
General Description
The HMC424ALH5 is a broadband 6-bit GaAs MMIC
digital attenuator housed in a hermetic SMT leadless
package. Covering DC to 13 GHz, the insertion loss is
less than 3.5 dB typical. 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 ±0.5
dB typical step error with an IIP3 of +34 dBm. Six
control voltage inputs, toggled between 0 and -5V,
are used to select each attenuation state. A single
Vee bias of -5V allows operation at frequencies down
to DC. The HMC424ALH5 is compatible with stan-
dard and lead free surface mount manufacturing
techniques and is suitable for high reliability military,
industrial and space applications.
Electrical Specifications, T_A = +25° C, With Vee = -5V & VCTL= 0/-5V
Parameter
Frequency (GHz)
Min.
Typ.
Max.
Insertion Loss
DC - 4 GHz
4.0 - 8.0 GHz
8.0 - 12.0 GHz
12.0GHz - 13.0 GHz
2.7
3.2
3.3
3.8
4.2
4.7
4.7
5.2
Attenuation Range
DC - 13.0 GHz
31.5
Return Loss (RF1 & RF2, All Atten. States)
DC - 13.0 GHz
12
Attenuation Accuracy: (Referenced to Insertion Loss)
0.5 - 16.5 dB States
17 - 31.5 dB States
DC - 13.0 GHz
DC - 13.0 GHz
± 0.4 + 4% of Atten. Setting Max
± 0.5 + 5% of Atten. Setting Max
Input Power for 0.1 dB Compression
1.0 - 13.0 GHz
27
Input Third Order Intercept Point
(Two-Tone Input Power= 0 dBm Each Tone)
REF State
All Other States
1.0 - 13.0 GHz
40
34
Switching Characteristics
DC - 13.0 GHz
Units
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
tRISE, tFALL (10/90% RF)
tON/tOFF (50% CTL to 10/90% RF)
30
ns
55
ns
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