Datasheet > MAX3522B

MAX3522B

更新时间： 2024-09-24 14:58:19

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
15页	667K
描述
DOCSIS 3.1可编程增益放大器

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中文翻译

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数据手册

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MAX3522B 数据手册

EVALUATION KIT AVAILABLE

MAX3522B

DOCSIS 3.1 Programmable-Gain Ampliﬁer

General Description

Beneﬁts and Features

● Delivers +68dBmV Output Power While Meeting

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.

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

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.

Exposed Paddle

Ordering Information appears at end of data sheet.

Applications

● DOCSIS 3.1 Upstream (D3.1 US)

Simpliﬁed Block Diagram

● Cable Modem (CM)

● Customer Premises Equipment (CPE)

GND

VDD

GND

MAX3522B

BYPASS

OUT1+

OUT1–

OUT2+

OUT2–

BYPASS

GND

VDD_BYP

GND

IN+

IN–

GND

CSB

SDA

CLK

SERIAL INTERFACE

TXEN

N.C.

GND

19-100012; Rev 0; 6/17

12 3 4 5 6 7...15

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