Datasheet > MAX2165ETI

MAX2165ETI

更新时间： 2024-11-17 01:19:39

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描述
Single-Conversion DVB-H Tuner

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MAX2165ETI 数据手册

19-0646; Rev 1; 3/09

Single-Conversion DVB-H Tuner

MAX2165

General Description

Features

The MAX2165 direct-conversion tuner IC is designed for

handheld digital video broadcast (DVB-H) applications.

The tuner covers a 470MHz to 780MHz input frequency

range and features an I/Q baseband interface.

o 93mA (typ) Current Consumption from a Single

+2.85V Supply Voltage

o 21mW (typ) Average Power Consumption at 8%

Duty Cycle

The MAX2165’s direct-conversion architecture elimi-

nates the need for an IF-SAW filter, allowing for

reduced bill of materials cost. The design integrates a

variable-gain, low-noise amplifier (LNA); a notch filter;

an RF tracking filter; a quadrature mixer; a power

detector; programmable baseband lowpass channel-

selection filters; baseband variable-gain amplifiers

(VGA); DC offset correction circuitry; and a complete

fractional-N frequency synthesizer. The part is program-

mable through a 2-wire I²C-compatible serial interface.

o Direct-Conversion Architecture Eliminates IF-

SAW Filter

o Integrated RF Tuneable Notch Filter for Operation

in the Presence of Cellular Blockers

o Integrated DC Offset Correction Circuitry

o Integrated RF Notch Filter for Operation in the

Presence of Up to -7dBm Cellular Blockers

o Extended UHF Band Operation

o 5mm x 5mm x 0.8mm, 28-Pin Thin QFN Package

The MAX2165 integrates a tuneable notch filter. This fil-

ter is designed to notch out interfering signals in the

830MHz to 950MHz frequency range to allow for opera-

tion in the presence of large cellular signals.

Programmable baseband channel-selection filters allow

for operation with 7MHz and 8MHz channels. Digital DC

offset correction circuitry supports time-sliced operation

by minimizing power-up time delay. The fractional-N

synthesizer reduces VCO lock time and minimizes

close-in phase noise, eliminating the need for power-

hungry, phase-noise reduction algorithms.

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX2165ETI+

-40°C to +85°C

28 TQFN-EP*

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed paddle.

Pin Configuration/

Functional Diagram

The MAX2165 is available in a tiny, 5mm x 5mm x

0.8mm, 28-pin thin QFN package with an exposed pad-

dle. It is specified for operation over the -40°C to +85°C

extended temperature range.

Applications

DVB-H Handheld Receivers

DVB-T Portable Devices

CHARGE

PUMP

SDA

SCL

LDO

SERIAL INTERFACE, CONTROL,

AND SYNTHESIZER

DMB-T/H Portable Devices

ISDB-T Receivers (13 Segment)

GND_TUNE

VTUNE

VCC_VCO

BB_AGC

BBI+

N.C.

MAX2165

RFIN

0°

90°

ADDR

VCC_RF

LEXT

CONTROL

BLOCK

PWRDET

DAC

BBI-

THIN QFN

5mm x 5mm

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...24

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与MAX2165ETI相关器件

型号	品牌	获取价格	描述	数据表
MAX2165ETI+T	MAXIM	获取价格	Consumer Circuit
MAX2165EVKIT	MAXIM	获取价格	Fully Assembled and Tested
MAX2165EVKIT+	MAXIM	获取价格	Fully Assembled and Tested
MAX216CWN	MAXIM	获取价格	Low-Power AppleTalk Interface Transceiver
MAX216CWN+	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 3 Rcvr, CMOS, PDSO18, SO-18
MAX216CWN+T	MAXIM	获取价格	暂无描述
MAX216CWN-T	MAXIM	获取价格	暂无描述
MAX2170	MAXIM	获取价格	Evaluation Kit
MAX2170ETL+	MAXIM	获取价格	Consumer Circuit, BICMOS, PQCC40,
MAX2170ETL+T	MAXIM	获取价格	Consumer Circuit, BICMOS, PQCC40,

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