MAX3522B

DOCSIS 3.1 Programmable-Gain Amplifier

Dual-Output, High-Performance Upstream Amplifier for DOCSIS 3.1 Applications


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Description

The MAX3522B is a programmable gain amplifier (PGA) designed to exceed the DOCSIS 3.1 Upstream Transmit requirements. By providing dual outputs, the MAX3522B eliminates the need for an external RF switch when selecting between two different upstream bandwidths. The PGA meets the DOCSIS 3.1 spurious limits while transmitting a combined output power of 68dBmV over the RF bandwidth of 5MHz to 204MHz from either output. The gain is controlled in 1dB steps over a 54dB range using a SPI 3-wire interface. The use of Maxim's high-voltage CMOS process enables the device to deliver high dynamic range, while minimizing power dissipation under a +5V supply rail.

The MAX3522B is available in a 56-pin 8mm x 8mm x 0.75mm TQFN package, and operates over temperature range of 0°C to +70°C.

Key Features

  • Delivers +68dBmV Output Power While Meeting DOCSIS 3.1 Requirements
  • Covers 5MHz–204MHz Output Bandwidth
  • Dual Outputs Eliminates Need for an External RF Switch
  • Programmable Power Codes Allow Operation at Reduced Power Dissipation
  • Exceeds Spurious Requirements with Fully Loaded OFDM Allocation at +65dBmV at Modem Output
  • Two GPIO's Available for SPI-bus Control of External RF Switches
  • 56L 8mm x 8mm x 0.75mm TQFN Package with Exposed Paddle

Applications/Uses

  • Cable Modem (CM)
  • Customer Premises Equipment (CPE)
  • DOCSIS 3.1 Upstream (D3.1 US)
Part NumberInterface TypeVSUPPLY
(V)
VSUPPLY
(V)
Package/PinsBudgetary
Price
minmaxSee Notes
MAX3522B SPI4.755.25
TQFN/56
$1.95 @1k
See All Programmable Gain Amplifiers (5)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX3522BEVKIT: Evaluation Kit for the MAX3522B

Quality and Environmental Data

Request Reliability Report for: MAX3522B 
Lead-Free Package Tin (Sn) Whisker Reports
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Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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Related Resources


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