Rainbow-electronics MAX7375 User Manual download pdf

General Description

The MAX7375 is a silicon oscillator, intended as a low-

cost improvement to replace ceramic resonators, crys-

tals, and crystal oscillator modules used as the clock

source for microcontrollers and UARTs in 3V, 3.3V, and

5V applications.

The MAX7375 is a fully integrated oscillator, supplied at

specific factory-trimmed frequencies with a Rail-to-

Rail® 50% duty cycle square-wave output. The oscilla-

tor frequency is generated directly without the use of a

phase-locked loop (PLL). No additional components

are used for setting or adjusting the frequency.

Unlike typical crystal and ceramic resonator oscillator

circuits, the MAX7375 is resistant to vibration and EMI.

The high output drive current and absence of high-

impedance nodes make the oscillator less susceptible

to dirty or humid operating conditions. With a wide

operating temperature range, the oscillator is a good

choice for demanding home appliance and automotive

environments.

The MAX7375 is offered in space-saving 3-pin SC70

and SOT23 packages. All parts are guaranteed to oper-

ate over the -55°C to +135°C temperature range and

are specified from -40°C to +125°C.

Applications

White Goods Portable Equipment

Automotive Microcontroller Systems

Appliances and Controls

Hand-Held Products

Features

♦ 2.7V to 5.5V Operation

♦ Factory-Trimmed Oscillator

♦ No External Components Required

♦ ±10mA Output Drive Current

♦ 2% Initial Accuracy

♦ ±50ppm/°C Temp Drift

♦ Fast Startup Time: 5µs

♦ 45% to 55% Maximum Duty Cycle

♦ 5ns Output Rise and Fall Time

♦ No PLL

♦ Low Jitter: 160ps

P-P

at 8MHz

♦ Tiny Surface-Mount Package (SC70, SOT23)

♦ -40°C to +125°C Temperature Range

MAX7375

3-Pin Silicon Oscillator

________________________________________________________________ Maxim Integrated Products 1

Ordering Information

19-3060; Rev 0; 10/03

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

PART TEMP RANGE PIN-PACKAGE

MAX7375AXR105-T* -40°C to +125°C 3 SC70-3

MAX7375AXR185-T* -40°C to +125°C 3 SC70-3

MAX7375AXR365-T -40°C to +125°C 3 SC70-3

MAX7375AXR375-T -40°C to +125°C 3 SC70-3

MAX7375AXR405-T -40°C to +125°C 3 SC70-3

MAX7375AXR425-T -40°C to +125°C 3 SC70-3

MAX7375AXR805-T -40°C to +125°C 3 SC70-3

MAX7375AUR105-T* -40°C to +125°C 3 SOT23-3

MAX7375AUR185-T* -40°C to +125°C 3 SOT23-3

MAX7375AUR365-T -40°C to +125°C 3 SOT23-3

MAX7375AUR375-T -40°C to +125°C 3 SOT23-3

MAX7375AUR405-T -40°C to +125°C 3 SOT23-3

MAX7375AUR425-T -40°C to +125°C 3 SOT23-3

MAX7375AUR805-T -40°C to +125°C 3 SOT23-3

CLOCK

3 GND

V+

MAX7375AXR

SC70

TOP VIEW

2V+

3 GND

CLOCK

MAX7375AUR

SOT23

Pin Configuration

MAX7375

OSC1

OSC2

2.7V TO 5.5V

V+

GND

CLOCK

µC

Typical Application Circuit

Selector Guide appears at end of data sheet.

Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd,

*Future product—contact factory for availability.

1 2 3 4 5 6 7

3-Pin Silicon Oscillator 1

Summary of Contents

Page 1 - 3-Pin Silicon Oscillator

General DescriptionThe MAX7375 is a silicon oscillator, intended as a low-cost improvement to replace ceramic resonators, crys-tals, and crystal oscil

Page 2

MAX73753-Pin Silicon Oscillator2 _______________________________________________________________________________________ABSOLUTE MAXIMUM RATINGSELECTR

Page 3

MAX73753-Pin Silicon Oscillator_______________________________________________________________________________________ 3DUTY CYCLE vs. TEMPERATUREMAX7

Page 4

MAX7375Detailed DescriptionThe MAX7375 is a replacement for ceramic resonators,crystals, and crystal oscillator modules as the clocksource for microco

Page 5

Applications InformationInterfacing to a Microcontroller ClockInputThe MAX7375 clock output is a push-pull, CMOS, logicoutput, which directly drives a

Page 6

Package Information(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline informat

Page 7

MAX73753-Pin Silicon OscillatorMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product.

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Rainbow-electronics MAX7375 User Manual

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