MAX2754EUA+ by Analog Devices

1.2GHz VCO with Linear Modulation Input


The MAX2754 self-contained, linear modulation, voltage-controlled oscillator (VCO) is intended for use in the 2.4GHz to 2.5GHz ISM band, particularly for FSK modulation systems that utilize a direct frequency-modulation transmit architecture. This device features a linear modulation input in addition to the standard frequency tuning input. The frequency tuning range of 1145MHz to 1250MHz (1/2 LO) also supports an IF up to 110MHz with low side LO. The VCO is based on Maxim's proprietary monolithic VCO technology, where all VCO components are integrated on-chip, including the varactor and inductor. The MAX2754 linear modulation input offers a means to directly FM modulate the VCO with a constant modulation sensitivity over the tuning voltage input range. Typical frequency deviation is -500kHz/V which is linear to ±4% over the guaranteed frequency limits. The tuning input voltage range is +0.4V to +2.4V and the oscillator frequency is factory adjusted to provide guaranteed limits. The oscillator signal is buffered by an output amplifier stage (internally matched to 50Ω) to provide higher output power and isolate the oscillator from load impedance variations. The MAX2754 operates over a +2.7V to +5.5V supply range. This device also provides a digitally controlled shutdown mode to permit implementation of sophisticated power-supply management. In shutdown, the supply current is reduced to 0.2µA. Even when active, power consumption is a modest 41mW. The MAX2754 is packaged in the miniature 8-pin µMAX® to offer the world's smallest, complete 2.4GHz direct-modulation VCO solution.

Where to Buy

Prices starting from US$3.79

Distributor Stock
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Farnell
from US$5.96
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Analog Devices
from US$4.32
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in stock
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element14
from US$3.79
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Richardson RFPD
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Newark Electronics
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Features

Fully Monolithic VCO Construction with On-Chip Inductor and Varactor Tuning Elements
Guaranteed 1145MHz to 1250MHz Tuning Range to Support 1/2 LO Applications
Modulation Linearity Within ±4%
Precise Modulation Gain (-500kHz/V)
Low Phase Noise (-137dBc/Hz at 4MHz offset)
+2.7V to +5.5V Single-Supply Operation
Low-Current Shutdown Mode
Miniature 8-Pin µMAX Package

Specifications

RF Freq. (MHz) (max) 1250
RF Freq. (MHz) (min) 1145
LO Driver Outputs No
PLL Driver Outputs Yes
POUT (dBm) (min) -5
POUT (dBm) (max) -5
Package/Pins UMAX/8
BudgetaryPrice (See Notes) 3.55


MAX2754EUA+ Clock Timing & Frequency Management by Analog Devices

OSCILLATOR 1.2GHZ 5.5V UMAX-8

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Frequency 1.2GHz
Supply Voltage Min 2.7V
Supply Voltage Max 5.5V
Digital IC Case µMAX
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

1.2GHz VCO with Linear Modulat | Analog Devices
OSCILLATOR VCO | Richardson RFPD
OSCILLATOR, 1.2GHZ, 5.5V, UMAX-8 | Farnell
Oscillator, 1.2Ghz, 5.5V, Umax-8 | Newark Electronics

Frequently Asked Questions

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Is the MAX2754EUA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX2754EUA+ have stock available?

Authorised distributors including Analog Devices, element14, Richardson RFPD, Farnell and Newark Electronics have stock available or on a lead time for MAX2754EUA+ .

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