MAX7383

更新时间： 2024-09-17 22:55:15

品牌	Logo	应用领域
美信 - MAXIM		振荡器
页数	文件大小	规格书
8页	220K
描述
Silicon Oscillator with Low-Power Frequency Switching

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MAX7383 数据手册

19-3492; Rev 0; 1/05

Silicon Oscillator with Low-Power

Frequency Switching

General Description

Features

The MAX7383 dual-speed silicon oscillator replaces

ceramic resonators, crystals, and crystal-oscillator

modules as the primary and secondary clock source for

microcontrollers in 3V, 3.3V, and 5V applications. The

MAX7383 features a factory-programmed high-speed

oscillator, a 32.768kHz oscillator, and a clock-selector

input. The clock output can be switched at any time

between the high-speed clock and the 32.768kHz clock

for low-power operation. Switchover is synchronized

internally to provide glitch-free clock switching.

♦ 2.7V to 5.5V Operation

♦ High-Speed Oscillator from 10MHz to 32MHz

Low-Speed 32kHz Oscillator

Glitch-Free Clock-Speed Switching

♦

10mꢀ Clock-Oꢁtpꢁt ꢂriꢃe Capaꢄilitꢅ

♦ 2.5% Initial ꢀccꢁracꢅ

50ppmꢆ/C ꢇtꢅpꢈ Freꢉꢁencꢅ ꢂrift

♦

♦ 50% ꢂꢁtꢅ Cꢅcle

Unlike typical crystal and ceramic-resonator oscillator

circuits, the MAX7383 is resistant to vibration and EMI.

The high-output-drive current and absence of high-

impedance nodes makes the oscillator less susceptible

to dirty or humid operating conditions. With a wide

operating temperature range as standard, the

MAX7383 is a good choice for demanding home appli-

ance and automotive environments.

♦ 5ns Oꢁtpꢁt Rise and Fall Time

♦ Low Jitter: 80ps

at 16MHz

P-P

♦ 4mꢀ Operating Cꢁrrent at 16MHz

♦ 13µꢀ, 32kHz Operating Cꢁrrent

♦ -40/C to +125/C Temperatꢁre Range

♦ Small 5-Pin SOT23 Package

The MAX7383 is available with factory-programmed fre-

quencies ranging from 10MHz to 32MHz. See Table 1

for standard frequencies and contact the factory for

custom frequencies. Refer to the MAX7377 data sheet

for frequencies less than 10MHz.

Ordering Information

PIN-

RESET

PꢀRT*

TEMP RꢀNGE

PꢀCKꢀGE

OUTPUT

The MAX7383 is available in a 5-pin SOT23 package.

The MAX7383 standard operating temperature range is

-40°C to +125°C. See the Applications Information sec-

tion for extended operating temperature range.

Active high

push-pull

MAX7383AX _ _-T -40°C to +125°C 5 SOT23-5

*The first two letters are AX. Insert the two-letter code from

Table 2 in the remaining two positions for the desired frequen-

cy range. Insert the two-letter code from Table 1 in the remain-

ing two positions for the desired frequency range. Table 1 is

located at the end of the data sheet.

Applications

White Goods

Automotive

Consumer Products

Appliances and Controls

Handheld Products

Portable Equipment

Microcontroller Systems

Typical Operating Circuit

2.7V TO 5.5V

0.1µF

OSC1

OSC2

CLOCK

MAX7383

GND

E.C.

µC

I/O PORT

SPEED

Pin Configuration appears at end of data sheet.

________________________________________________________________ Maxim Integrated Products

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.

12 3 4 5 6 7 8

中文翻译

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与MAX7383相关器件

型号	品牌	获取价格	描述	数据表
MAX7383AXUK	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching
MAX7383AXUK-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX7383AXUT	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching
MAX7383AXUT-T	MAXIM	获取价格	暂无描述
MAX7383AXVB	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching
MAX7383AXVB-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX7383AXVT	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching
MAX7383AXVT-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX7383AXWB	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching
MAX7383AXWB-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN

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