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MAX242WN, MAX242WWN, MAX2430

Table of contents:
Info of MAX242WN
Info of MAX242WWN
Info of MAX2430

MAX242WN, MAX242WWN, MAX2430 Selling Leads, Datasheet

MFG:MAX Package Cooled:SOP-18 D/C:SOP/16

MAX242WN, MAX242WWN, MAX2430 Datasheet download

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Part Number: MAX242WN

MFG: MAX

Package Cooled: SOP-18

D/C: SOP/16

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MAX2430 General Description

The MAX2430 is a versatile, silicon RF power amplifier that operates directly from a 3V to 5.5V supply, making it suitable for 3-cell NiCd or 1-cell lithium-ion battery applications. It is designed for use in the 800MHz to 1000MHz frequency range and, at 915MHz, can produce +21dBm (125mW) of output power with greater than 32dB of gain at V_CC = 3.6V.

A unique shutdown function provides an off supply current of typically less than 1A to save power during "idle slots" in time-division multiple-access (TDMA) transmissions. An external capacitor sets the RF output power envelope ramp time. External power control is also possible over a 15dB range. The amplifier's input is matched on-chip to 50. The output is an open collector that is easily matched to a 50½ load with few external components.

The MAX2430 is ideal as a driver amplifier for portable and mobile telephone systems, or as a complete power amplifier for other low-cost applications, such as those in the 915MHz spread-spectrum ISM band. It is fabricated with Maxim's high-frequency bipolar transistor process and is available in a thermally enhanced,16-pin narrow SO and miniature 16-pin PwrQSOP packages with heat slug.

MAX2430 Maximum Ratings

VCC1, VCC2 .......................................................................+6V
SHDN, BIAS...................................................-0.3V, (V_CC + 0.3V)
RFIN..........................................................................-0.3V, +2V
P_RFIN...............................................................................-3dBm
Continuous Power Dissipation (T_A = +70°C)
PwrQSOP (derate 20mW/°C above +70°C).................1.6W
Narrow SO (derate 20mW/°C above +70°C) ..............1.6W
Operating Temperature Range .....................-20°C to +85°C
Storage Temperature Range ......................-65°C to +160°C
Lead Temperature (soldering, 10sec) ........................+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

MAX2430 Features

` Operates Over the 800MHz to 1000MHz Frequency Range
` Delivers 125mW at 915MHz from +3.6V Supply (100mW typical from +3.0V supply)
` Operates Directly from 3-Cell NiCd or 1-Cell Lithium-Ion Battery
` Over 32dB Power Gain
` RF Power Envelope Ramping is Programmable with One External Capacitor
` Input Matched to 50 (VSWR < 2:1)
` 15dB Output Power Control Range
` 1A Typical Shutdown Current

MAX2430 Typical Application

·Digital Cordless Phones
·915MHz ISM-Band Applications
·Two-Way Pagers
·Wireless LANs
·Cellular Phones
·AM and FM Analog Transmitters

MAX2430 Connection Diagram

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