Datasheet > MAX7377

MAX7377

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
9页	615K
描述
Silicon Oscillator with Low-Power Frequency Switching

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MAX7377 数据手册

19-3474; Rev 0; 10/04

Silicon Oscillator with Low-Power

Frequency Switching

General Description

Features

The MAX7377 dual-speed silicon oscillator with reset is

a replacement for ceramic resonators, crystals, crystal

oscillator modules, and discrete reset circuits. The

device provides the primary and secondary clock

source for microcontrollers in 3V, 3.3V, and 5V applica-

tions. The MAX7377 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

♦ Accurate High-Speed 600kHz to 10MHz Oscillator

♦ Accurate Low-Speed 32kHz Oscillator

♦ Glitch-Free Switch Between High Speed and Low

Speed at Any Time

♦

10mA Clock-Output Drive Capability

♦ 2% Initial Accuracy

50ppm/°C Temperature Coefficient

♦

♦ 50% Duty Cycle

Unlike typical crystal and ceramic resonator oscillator

circuits, the MAX7377 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 as standard, the MAX7377

is a good choice for demanding home appliance,

industrial, and automotive environments.

♦ 5ns Output Rise and Fall Time

♦ Low Jitter: 160ps

at 8MHz (No PLL)

(P-P)

♦ 3mA Fast-Mode Operating Current (8MHz)

♦ 13µA Slow-Mode Operating Current (32kHz)

♦ -40°C to +125°C Temperature Range

The MAX7377 is available in factory-programmed fre-

quencies from 32.768kHz to 10MHz. See Table 1 for

standard frequencies and contact the factory for cus-

tom frequencies.

The MAX7377 is available in a 5-pin SOT23 package.

Refer to the MAX7383 data sheet for frequencies

≥10MHz. The MAX7377 standard operating tempera-

ture range is -40°C to +125°C. See the Applications

Information section for the extended operating temper-

ature range.

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX7377AX_ _-T

-40°C to +125°C

5 SOT23-5

The first two letters are AX. See Table 1 at the end of the data

sheet for the two-letter code.

Applications

White Goods

Automotive

Consumer Products

Appliances and Controls

Handheld Products

Portable Equipment

Microcontroller Systems

Pin Configuration

TOP VIEW

CLOCK

GND

E.C.

MAX7377

SPEED

Typical Application Circuit appears at end of data sheet.

SOT23

________________________________________________________________ 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...9

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与MAX7377相关器件

型号	品牌	获取价格	描述	数据表
MAX7377AXMG	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX7377AXMG-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, SOT-23, 5 PIN
MAX7377AXQT	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX7377AXQT-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, SOT-23, 5 PIN
MAX7377AXRD	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX7377AXRD+	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching
MAX7377AXRD+T	MAXIM	获取价格	Analog Circuit, BICMOS, PDSO5,
MAX7377AXRH	MAXIM	获取价格	暂无描述
MAX7377AXTP	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
MAX7377AXTP-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO5, SOT-23, 5 PIN

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