MAX-3510EEP Maxim, MAX-3510EEP Datasheet

MAX-3510EEP

Manufacturer Part Number

MAX-3510EEP

Description

Upstream CATV Amplifier

Manufacturer

Maxim

Datasheet

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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.

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.

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.

The MAX3510 is available in a 20-pin QSOP package

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

+85°C).

19-1398; Rev 2; 8/99

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

Cable Modems

CATV Set-Top Box

________________________________________________________________ Maxim Integrated Products

INPUT

–

General Description

+5V

0.1 F

ANTI-ALIAS

FILTER

Telephony over Cable

CATV Status Monitor

CONTROL

LOGIC

Applications

0.001 F

SHDN

TXEN

VIN+

VIN-

GND1

GND

MAX3510

Upstream CATV Amplifier

Pin Configuration appears at end of data sheet.

MAX3510EEP

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

Low Transmit Output Noise Floor: -47dBmV

(160kHz BW)

Low Transmit-Disable Output Noise: -70dBmV

Two Power-Down Modes

VOUT+

CEXT1

VOUT-

CEXT2

PART

GND2

SCLK

GND

N.C.

SDA

0.0033 F

Typical Operating Circuit

0.1 F

+5V

CONTROL

LOGIC

TEMP. RANGE

-40°C to +85°C

0.1 F

Ordering Information

+5V

0.1 F

2:1

20 QSOP

OUTPUT

PIN-PACKAGE

Features

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