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MAX19790ETX+T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX19790ETX+T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 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 General Description 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. Applications Broadband System Applications, Including Wireless Infrastructure Digital and Spread- Spectrum Communication Systems WCDMA/LTE, TD-SCDMA/TD-LTE, WiMAX™, cdma2000®, GSM/EDGE, and MMDS Base Stations VSAT/Satellite Modems Microwave Terrestrial Links Lineup Gain Trim Temperature Compensation Circuits Automatic Level Control (ALC) Transmitter Gain Control Receiver Gain Control General Test Equipment Features S 250MHz to 4000MHz RF Frequency Range S Integrates Two Analog Attenuators in One Monolithic Device S Flexible Attenuation-Control Ranges 22dB (per Attenuator) 44dB (Both Attenuators Cascaded) S 2.4dB 1500MHz Insertion Loss (per Attenuator) S Linear dB/V Analog Control Response Curve Simplifies Automatic Leveling Control and Gain-Trim Algorithms S Excellent Attenuation Flatness Over Wide Frequency Ranges and Attenuation Settings S Low 7.3mA Supply Current S Single +5.0V Supply Voltage Ordering Information +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 Industry Association. PART TEMP RANGE PIN-PACKAGE MAX19790ETX+ -40NC to +85NC 36 Thin QFN-EP* MAX19790ETX+T -40NC to +85NC 36 Thin QFN-EP* |
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