Datasheet > MAX2118

MAX2118

更新时间： 2024-11-04 23:45:55

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
15页	311K
描述
Complete DBS Direct-Conversion Tuner ICs with Monolithic VCOs

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MAX2118 数据手册

19-2433; Rev 0; 4/02

Complete DBS Direct-Conversion Tuner ICs

with Monolithic VCOs

General Description

Features

The MAX2116/MAX2118 family of low-cost direct-

conversion tuner ICs are designed for use in digital

direct broadcast satellite (DBS) television applications,

professional VSAT systems, and two-way Internet

through satellite applications. These devices set the

standard for integration and performance, significantly

reducing the required RF know-how for design imple-

mentation. Uniquely architected, the MAX2116/MAX2118

simplify direct main board and tuner module designs.

o Fully Integrated VCOs

o Supports 1Mbaud to 45Mbaud, 925MHz to

2175MHz Operation

o 4MHz to 33MHz Tunable LP Filters

o Complete Synthesizer with I²C™ Interface

o Analog RF VGA and Digital Baseband VGA

The MAX2116/MAX2118 devices directly convert L-

band signals to baseband using a broadband I/Q

downconverter. The operating frequency range extends

from 925MHz to 2175MHz.

o Multiple I²C Addresses for Multituner

Applications

o Single-Ended (MAX2116) and Differential

(MAX2118) I/Q Interface

Each IC includes an LNA with gain control, I and Q

downconverting mixers, and baseband lowpass filters

gain and cutoff frequency control. Together, the RF and

baseband variable gain amplifiers provide more than

79dB of gain control range.

Ordering Information

PART

TEMP RANGE PIN-PACKAGE

The devices include fully monolithic VCOs, as well as a

complete frequency synthesizer. Additionally, an on-

chip crystal oscillator is provided along with a buffered

output for driving additional tuners and demodulators.

Synthesizer programming and device configuration are

accomplished with a 2-wire serial interface. For multi-

tuner applications, each device can be configured to

have one of eight possible 2-wire interface addresses.

MAX2116UGL

MAX2118UGL

0°C to +85°C

40 QFN-EP* (6mm 6mm)

*EP = exposed pad.

Pin Configuration/

Functional Diagram

Simplifying the interface to low-voltage CMOS demodu-

lators, the MAX2116/MAX2118 incorporate two 2.85V

regulated outputs for pulling up open-drain interface

connections, thus preventing noisy 3V rails from cor-

rupting the sensitive analog signal of the tuners.

The MAX2116/MAX2118 devices are the most versatile

family of DBS products available. With both single-

ended and differential baseband outputs, these

devices are compatible with virtually all QPSK/8-PSK

demodulators. The tuners are available in a very small

40-pin QFN package.

IDC-

IDC+

VCCDIG

SCL

DC OFFSET

LPF BW

CORRECTION

CONTROL

DAC

INTERFACE LOGIC

AND CONTROL

GC2

VCCRF1

RFIN-

RFIN+

N.C.

VREG2

SDA

DIV2/

DIV4

AS1

Applications

MAX2118

DVB

N.C.

DSS (U.S.)

GC1

XTALOUT

CNTOUT

XTAL-

XTAL+

PFD

VSAT

VOLTAGE

REGULATOR

VREG1

N.C.

Internet Through Satellite

PAD

I²C is a trademark of Philips Corp.

________________________________________________________________ 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...15

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与MAX2118相关器件

型号	品牌	获取价格	描述	数据表
MAX2118EVKIT	MAXIM	获取价格	MAX2116 Evaluation Kits
MAX2118UTL	MAXIM	获取价格	Complete DBS Direct-Conversion Tuner ICs with Monolithic VCOs
MAX2118UTL+	MAXIM	获取价格	Complete DBS Direct-Conversion Tuner ICs with Monolithic VCOs
MAX211C	TI	获取价格	5-V MULTICHANNEL RS-232 LINE DRIVER/RECEVER
MAX211C/D	MAXIM	获取价格	+5V RS-232 Transceivers with 0.1uF External Capacitors
MAX211CAI	MAXIM	获取价格	+5V RS-232 Transceivers with 0.1uF External Capacitors
MAX211CAI+	MAXIM	获取价格	Line Driver, 4 Func, 4 Driver, 5 Rcvr, CMOS, PDSO28, SSOP-28
MAX211CAI+T	MAXIM	获取价格	Line Driver, 4 Func, 4 Driver, 5 Rcvr, CMOS, PDSO28, SSOP-28
MAX211CAI-T	ROCHESTER	获取价格	Line Driver, 4 Func, 4 Driver, 5 Rcvr, CMOS, PDSO28, SSOP-28
MAX211CAI-T	MAXIM	获取价格	Line Driver, 4 Func, 4 Driver, 5 Rcvr, CMOS, PDSO28, SSOP-28

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