max2165 Maxim Integrated Products, Inc., max2165 Datasheet

max2165

Manufacturer Part Number

max2165

Description

Single-conversion Dvb-h Tuner

Manufacturer

Maxim Integrated Products, Inc.

Datasheet

1.MAX2165.pdf (24 pages)

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Company:

H&T Electronics

Part Number:

max2165ETI+T

Quantity:

1 400

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Download datasheet (237Kb)

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.

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 I

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.

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.

19-0646; Rev 1; 3/09

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.

DVB-H Handheld Receivers

DVB-T Portable Devices

DMB-T/H Portable Devices

ISDB-T Receivers (13 Segment)

________________________________________________________________ Maxim Integrated Products

General Description

C-compatible serial interface.

Applications

Single-Conversion DVB-H Tuner

o 93mA (typ) Current Consumption from a Single

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

o Direct-Conversion Architecture Eliminates IF-

o Integrated RF Tuneable Notch Filter for Operation

o Integrated DC Offset Correction Circuitry

o Integrated RF Notch Filter for Operation in the

o Extended UHF Band Operation

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

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

* EP = Exposed paddle.

VCC_RF

MAX2165ETI+

+2.85V Supply Voltage

Duty Cycle

SAW Filter

in the Presence of Cellular Blockers

Presence of Up to -7dBm Cellular Blockers

ADDR

LEXT

RFIN

SDA

SCL

N.C.

PART

SERIAL INTERFACE, CONTROL,

AND SYNTHESIZER

MAX2165

-40°C to +85°C

TEMP RANGE

Ordering Information

5mm x 5mm

THIN QFN

Functional Diagram

Pin Configuration/

0°

PWRDET

90°

CHARGE

PUMP

PIN-PACKAGE

Features

28 TQFN-EP*

LDO

GND_TUNE

VTUNE

VCC_VCO

BB_AGC

BBI+

BBI-

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