MAX2472, MAX2473 500MHz ~ 2500MHz, VCO 버퍼 앰프

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The MAX2472/MAX2473 are flexible, wideband, high- reverse-isolation buffer amplifiers. The MAX2472 has dual open-collector outputs capable of delivering -5dBm into 50Ω while maintaining harmonic suppression below -25dBc. The MAX2473 has a single open-collector output with a bias control pin to vary output power from -10dBm to -2dBm while maintaining harmonic suppression below -25dBc. The MAX2472/MAX2473's combination of high reverse isolation and low supply current makes them ideal for applications requiring high performance with low power. They feature high input impedance and open-collector outputs for maximum flexibility, enabling them to be used with a variety of oscillator topologies.

Both the MAX2472 and MAX2473 operate from a single +2.7V to +5.5V supply. With V_CC = +3.0V and -25dBm input power, the MAX2472 consumes 5.2mA, while the MAX2473 consumes only 2.7mA. Both devices are available in a tiny 6-pin SOT23 package requiring minimal board space.

주요기능

애플리케이션/용도

+2.7V to +5.5V Supply Range
500MHz to 2500MHz Input Frequency Range
High Reverse Isolation: 49dB at 900MHz
Dual Open-Collector Outputs (MAX2472)
Adjustable -10dBm to -2dBm Output Power Control (MAX2473)
High Input Impedance: >250Ω at 900MHz
Ultra-Small SOT23-6 Package

	셀룰러 및 PCS 이동 전화
	범용 버퍼/앰프
	IF/RF 발진기
	ISM 밴드 애플리케이션
	사설 이동 무선 (PMR)

Key Specifications: VCOs/VCO Buffers

Part Number

Solutions

Applications

Min. Frequency (MHz)

Max. Frequency (MHz)

Features

Supply Current (mA)

Footprint (mm x mm)

RoHS Available

Package

Smallest Available Package (max w/pins) (mm²)

Price^**

MAX2472

2.4GHz
900MHz
Cellular
Cordless
GPS
SAT
WLL

•

Cellular

•

Cordless

•

ISM

•

WLAN

500

2,500

•	+2.7V to +5.5V Single-Supply Operation

•	-3.2dBm Output 1dB Compression Point at 900MHz

•	40dB Reverse Isolation at 900MHz

•	Dual Open Collector Outputs

5.2

2.7 x 2.9

Yes

SOT-23/6

$0.80 @ 1k

MAX2473

•	+2.7V to +5.5V Single-Supply Operation

•	-10dBm to -2dBm Adjustable Output Power

•	-6.0dBm to -0.9dBm Output 1dB Compression Point at 900MHz

•	Single-Ended Output

2.7 to 4.8

$0.80 @ 1k

See All VCOs/VCO Buffers (22)

Notes:
^**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.