250MHz to 4000MHz Dual, Analog Voltage Variable Attenuator ( 11 Page)
_______________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
250MHz to 4000MHz Dual,
Analog Voltage Variable Attenuator
19-5165; Rev 0; 3/10
The MAX19790 dual, general-purpose analog voltage
variable attenuator (VVA) is designed to interface with
50I systems operating in the 250MHz to 4000MHz fre-
quency range. Each attenuator includes a patented con-
trol circuit that provides 22dB of attenuation range with a
linear control slope of 10dB/V.
Both attenuators share a common analog control and
can be cascaded together to yield 44dB of total dynamic
range, with a combined linear control slope of 20dB/V.
The IC is a monolithic device designed on one of Maxim’s
proprietary SiGe BiCMOS processes. The device oper-
ates from a single +5.0V supply and is available in a com-
pact, 36-pin thin QFN package (6mm x 6mm x 0.8mm)
with an exposed pad. Electrical performance is guaran-
teed over the extended -40° to +85°C temperature range.
Broadband System Applications, Including
Wireless Infrastructure Digital and Spread-
Spectrum Communication Systems
WCDMA/LTE, TD-SCDMA/TD-LTE, WiMAX™,
, GSM/EDGE, and MMDS Base
Microwave Terrestrial Links
Lineup Gain Trim
Temperature Compensation Circuits
Automatic Level Control (ALC)
Transmitter Gain Control
Receiver Gain Control
General Test Equipment
250MHz to 4000MHz RF Frequency Range
Integrates Two Analog Attenuators in One
Flexible Attenuation-Control Ranges
22dB (per Attenuator)
44dB (Both Attenuators Cascaded)
2.4dB 1500MHz Insertion Loss (per Attenuator)
Linear dB/V Analog Control Response Curve
Simplifies Automatic Leveling Control and
Excellent Attenuation Flatness Over Wide
Frequency Ranges and Attenuation Settings
Low 7.3mA Supply Current
Single +5.0V Supply Voltage
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
T = Tape and reel.
WiMAX is a trademark of WiMAX Forum.
cdma2000 is a registered trademark of Telecommunications
-40NC to +85NC
36 Thin QFN-EP*
-40NC to +85NC
36 Thin QFN-EP*
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