MAX2753EUA+ Maxim Integrated, MAX2753EUA+ Datasheet

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MAX2753EUA+

Manufacturer Part Number
MAX2753EUA+
Description
VCXO Oscillators RF and RFID
Manufacturer
Maxim Integrated
Series
MAX2753r
Datasheet
1.MAX2753EUA.pdf (6 pages)

Specifications of MAX2753EUA+

Package / Case
uMAX
Frequency
2400 MHz to 2500 MHz
Supply Voltage
3 V
Minimum Operating Temperature
- 40 C
Maximum Operating Temperature
+ 85 C
Factory Pack Quantity
50
Supply Voltage - Max
5.5 V
Supply Voltage - Min
2.7 V
The MAX2753 is a self-contained voltage-controlled oscil-
lator (VCO) intended for use in 2.4GHz radios that utilize a
low-IF or zero-IF architecture. It combines a fully integrat-
ed oscillator and output buffer in a miniature 8-pin µMAX
package.
The inductor and varactor elements of the tank are inte-
grated on-chip, greatly simplifying application of the part.
The only required external components are a couple of
supply bypass capacitors. The MAX2753 provides direct
connection to the VCO tuning voltage input and the VCO
buffer output. The tuning voltage input range is +0.4V to
+2.4V, and the oscillator frequency tuning range is factory
adjusted to provide guaranteed limits. The output signal is
buffered by an amplifier stage (internally matched to 50Ω)
to provide higher output power and isolate the device from
load impedance variations. In addition, the MAX2753 pro-
vides differential outputs.
The MAX2753 operates over a +2.7V to +5.5V supply volt-
age range. Internal regulation of the oscillator supply volt-
age eliminates the need for an external LDO regulator for
the VCO. The MAX2753 also provides a digitally controlled
shutdown mode to permit implementation of sophisticated
power-supply management. In shutdown, the supply cur-
rent is reduced to less than 1µA.
19-1913; Rev 0; 1/01
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
________________________Applications
802.11 FHSS WLAN
Home RF
2.4GHz Bluetooth ISM Proprietary Radio
________________________________________________________________ Maxim Integrated Products
SHDN
General Description
TUNE
2.4GHz Monolithic Voltage-Controlled
BYP
TUNE
GND
SHDN
Oscillator with Differential Outputs
MAX2753
OSCILLATOR
CORE
BIAS
o Guaranteed Frequency Tuning Range: 2400MHz
o Compatible with Low-IF or Zero-IF Radio
o Differential Outputs
o On-Chip Tank Circuit
o Internally Matched Output Buffer Amplifier
o 1µA Shutdown Mode
o +2.7V to +5.5V Supply Voltage Range
o Miniature 8-Pin µMAX Package
MAX2753EUA
to 2500MHz
Architectures
PART
TOP VIEW
OUTN
OUTP
GND
V
CC
Typical Operating Circuit
SHDN
TUNE
GND
BYP
1
2
4
TEMP. RANGE
3
V
-40°C to +85°C
CC
Ordering Information
MAX2753
µMAX
Pin Configuration
OUT TO MIXER/
SYNTHESIZER
OUT TO MIXER/
SYNTHESIZER
6
8
7
5
GND
OUTN
V
OUTP
PIN-PACKAGE
8 µMAX
CC
Features
1

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MAX2753EUA+ Summary of contents

Page 1

... BYP TUNE TUNE GND SHDN SHDN ________________________________________________________________ Maxim Integrated Products For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Oscillator with Differential Outputs o Guaranteed Frequency Tuning Range: 2400MHz to 2500MHz o Compatible with Low-IF or Zero-IF Radio ...

Page 2

Monolithic Voltage-Controlled Oscillator with Differential Outputs ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V CC TUNE, SHDN, BYP, OUTP, OUTN to GND .................................-0. Continuous Power Dissipation (T = +70°C) A 8-Pin µMAX (derate 5.7mW/°C above T ...

Page 3

Monolithic Voltage-Controlled (MAX2753 EV kit +3.0V TUNE SUPPLY CURRENT vs. TEMPERATURE -40 - TEMPERATURE (°C) PHASE NOISE -60 -70 -80 ...

Page 4

Monolithic Voltage-Controlled Oscillator with Differential Outputs PIN NAME 1 BYP VCO Bypass. Bypass with a 0.1µF capacitor to GND. Oscillator Frequency Tuning Voltage Input. High-impedance input with a voltage input range of +0.4V 2 TUNE (low frequency) to +2.4V ...

Page 5

Monolithic Voltage-Controlled 0.1µF FROM SYNTHESIZER LOOP FILTER SHDN Figure 1. Typical Application Circuit Chip Information TRANSISTOR COUNT: 176 PROCESS: BiPOLAR _______________________________________________________________________________________ Oscillator with Differential Outputs BYP TUNE OSCILLATOR CORE GND MAX2753 SHDN BIAS GND OUTN OUT TO MIXER/ SYNTHESIZER ...

Page 6

Monolithic Voltage-Controlled Oscillator with Differential Outputs 6 _______________________________________________________________________________________ Package Information ...

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