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MAX2102CWE/CWI, MAX2102CWZ, MAX2104

Table of contents:
Info of MAX2102CWE/CWI
Info of MAX2102CWZ
Info of MAX2104

MAX2102CWE/CWI, MAX2102CWZ, MAX2104 Selling Leads, Datasheet

MFG:MAX Package Cooled:SOP D/C:New

MAX2102CWE/CWI, MAX2102CWZ, MAX2104 Picture

MAX2102CWE/CWI, MAX2102CWZ, MAX2104 Datasheet download

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Part Number: MAX2102CWE/CWI

MFG: MAX

Package Cooled: SOP

D/C: New

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MAX2104 General Description

The MAX2104 low-cost direct-conversion tuner IC is designed for use in digital direct-broadcast satellite (DBS) television set-top box units. Its direct-conversion architecture reduces system cost compared to devices with IF-based architectures. The MAX2104 directly converts L-band signals to baseband signals using a broadband I/Q downconverter. The operating frequency range extends from 925MHz to 2175MHz.

The IC includes an LNA gain control, I and Q downconverting mixers, lowpass filters with gain control and frequency control, a local oscillator (LO) buffer with a 90° quadrature network, and a charge-pump based PLL for frequency control. The MAX2104 also has an on-chip LO, requiring only an external varactor-tuned LC tank for operation. The output of the LO drives the internal quadrature generator and dual modulus prescaler. An on-chip crystal amplifier drives a reference divider as well as a buffer amplifier to drive off-chip circuitry. The MAX2104 is offered in a 48-pin TQFP-EP package.

MAX2104 Maximum Ratings

V_CC to GND .............................................................-0.5V to +7V
All Other Pins to GND.................................-0.3V to (V_CC + 0.3V)
RF1+ to RF1-, RF2+ to RF2-, TANK+ to TANK-,
IDC+ to IDC-, QDC+ to QDC- ..............................................±2V
IOUT_, QOUT_ to GND Short-Circuit Duration ......................10s
PSOUT+, PSOUT- to GND Short-Circuit Duration ..................10s
Continuous Current (any pin)...........................................20mA
Continuous Power Dissipation (T_A = +70°C)
(derate 27mW/°C above +70°C)....................................1.5W
Operating Temperature Range..........................0°C to +85°C
Junction Temperature..................................................+150°C
Storage Temperature Range ......................-65°C to +150°C
Lead Temperature (soldering, 10s) ............................+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.

MAX2104 Features

· Low-Cost Architecture
· Operates from Single 5V Supply
· 925MHz to 2175MHz Input Frequency Range
· On-Chip Quadrature Generator, Dual-Modulus Prescaler (/32, /33)
· On-Chip Crystal Amplifier
· PLL Mixer with Gain-Controlled Charge Pump
· Input Levels: -25dBm to -65dBm per Carrier
· Over 40dB Gain Control Range
· Noise Figure = 11.5dB; IIP3 = 7dBm (at 1550MHz)
· Automatic Baseband Offset Correction
· Loopthrough Replaces External Splitter
· Crystal Output Buffer

MAX2104 Typical Application

·DirecTV, PrimeStar, EchoStar DBS Tuners
·DVB-Compliant DBS Tuners
·Broadband Systems
·LMDS

MAX2104 Connection Diagram

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