Datasheet > MAX3510_07

MAX3510_07

更新时间： 2024-11-05 04:41:59

品牌	Logo	应用领域
美信 - MAXIM		放大器有线电视
页数	文件大小	规格书
12页	151K
描述
Upstream CATV Amplifier

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数据手册

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MAX3510_07 数据手册

19-1398; Rev 4; 5/07

Upstream CATV Amplifier

General Description

Features

The MAX3510 is a programmable power amplifier for

use in CATV upstream applications. The device outputs

up to 64dBmV (continuous wave) through a 2:1 (voltage

ratio) transformer. It features variable gain controlled by

a 3-wire digital serial bus. Gain control is available in

1dB steps. The device operates over a frequency

range of 5MHz to 65MHz.

♦ Ultra-Low Power-Up/Down Transients,

7mV Typical at 59dBmV Output

♦ Single +5V Supply

♦ Output Level Ranges from <8dBmV to 64dBmV

♦ Gain Programmable in 1dB Steps

The MAX3510 offers a transmit-disable mode, which

places the device in a high-isolation state for use

between bursts in TDMA systems. In this mode the out-

put stage is shut off, minimizing output noise. When

entering and leaving transmit-disable mode, transients

are kept to 7mV nominal at full gain. In addition, supply

current is reduced to 25mA.

♦ Low Transmit Output Noise Floor: -47dBmV

(160kHz BW)

♦ Low Transmit-Disable Output Noise: -70dBmV

♦ Two Power-Down Modes

Two power-down modes are available. Software-shutdown

mode permits power-down of all analog circuitry while

maintaining the programmed gain setting. Shutdown

mode disables all circuitry and reduces current consump-

tion to less than 10µA.

Ordering Information

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

20 QSOP

MAX3510EEP

MAX3510EEP+

20 QSOP

The MAX3510 is available in a 20-pin QSOP package

for the extended-industrial temperature range (-40°C to

+85°C).

+Denotes lead-free package.

Applications

Telephony-Over-Cable

Cable Modems

Pin Configuration appears at end of data sheet.

CATV Set-Top Boxes

CATV Status Monitors

Typical Operating Circuit

SHDN

GND2

CONTROL

LOGIC

0.1µF

+5V

TXEN

VIN+

CEXT1

0.001µF

0.0033µF

2:1

OUTPUT

VOUT+

ANTI-ALIAS

FILTER

INPUT

–

+5V

MAX3510

VOUT-

VIN-

0.1µF

0.001µF

0.1µF

+5V

0.1µF

CEXT2

N.C.

GND1

GND

SCLK

SDA

CONTROL

LOGIC

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...12

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