HMC792ALP4E Datasheet, PDF (1/10 Pages) Analog Devices – Test Equipment and Sensors

v00.0613
HMC792ALP4E
0.25 LSB GaAs MMIC 6-BIT
DIGITAL ATTENUATOR, DC - 6 GHz
Typical Applications
The HMC792ALP4E is ideal for:
• Cellular/3G Infrastructure
• WiBro / WiMAX / 4G
• Microwave Radio & VSAT
• Test Equipment and Sensors
• IF & RF Applications
Functional Diagram
Features
0.25 dB LSB Steps to 15.75 dB
Power-Up State Selection
High Input IP3: +53 dBm
Low Insertion Loss: 1.8 dB @ 2.0 GHz
TTL/CMOS Compatible, Serial, Parallel
or Latched Parallel Control
±0.1 dB Typical Step Error
Single +3V or +5V Supply
24 Lead 4x4mm SMT Package: 16mm²
General Description
The HMC792ALP4E is a broadband 6-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 6 bit parallel word. The HMC792ALP4E also
features a user selectable power up state and a serial
output port for cascading other Hittite serial controlled
components. The HMC792ALP4E is housed in a
RoHS compliant 4x4 mm QFN leadless package, and
requires no external matching components.
Electrical Specifications, T_A = +25° C, Vctl = 0/+Vdd
Parameter
Frequency (GHz)
Min.
Typ.
Max.
Vdd = +3V
Insertion Loss
DC - 3.0 GHz
3.0 - 6.0 GHz
1.8
2.4
2.3
4.0
Attenuation Range
DC - 6.0 GHz
15.75
Return Loss (RF1, RF2, All Atten. States)
DC - 6.0 GHz
18
Min.
Typ.
Max.
Vdd = +5V
1.8
2.4
2.3
4.0
15.75
18
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
DC - 6.0 GHz
± (0.2 + 3% of Atten. Setting) Max.
Input Power for 0.1 dB Compression
0.05 - 0.15 GHz
22
0.15 - 6.0 GHz
27
22
31
Input Third Order Intercept Point
(Two-Tone Input Power= 10 dBm Each Tone)
DC - 6.0 GHz
53
53
Switching Characteristics
DC - 6.0 GHz
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
110
110
150
150
Supply Current
DC - 6.0 GHz
2.1
2.2
Units
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
ns
ns
mA
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