Datasheet > DS1085

DS1085

更新时间： 2024-01-15 11:13:59

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
21页	332K
描述
EconOscillator Frequency Synthesizer

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中文翻译

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数据手册

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DS1085 数据手册

DS1085

EconOscillator Frequency Synthesizer

www.maxim-ic.com

FEATURES

PIN ASSIGNMENT

C User-Programmable Frequency Synthesizer

C Programmable From 8.1kHz to 133MHz

C Dual Synchronous Outputs

C 8.2MHz to 133MHz Reference Oscillator

Output

OUT1

OUT0

V_CC

SCL

SDA

CTRL1

CTRL0

GND

C 8.1kHz to 133MHz Main Oscillator Output

C Three Resolution Options

C 2-Wire Serial Interface

SO (150mil)

C 0.75% Absolute Accuracy

C Nonvolatile (NV) Frequency Settings

C Single 5V Supply

PIN DESCRIPTION

C No External Timing Components

C Power-Down Mode

OUT1

OUT0

V_CC

- Main Oscillator Output

- Reference Oscillator Output

- Power-Supply Voltage

- Ground

GND

CTRL1 - Control Pin for OUT1

CTRL0 - Control Pin for OUT0

SDA

SCL

- 2-Wire Serial Data Input/Output

- 2-Wire Serial Clock

ORDERING INFORMATION

STEP

OSCILLATOR

OUTPUT RANGE

8.1kHz to 133MHz

DEVICE

DS1085Z-10

DS1085Z-25

DS1085Z-50

PACKAGE

150mil SO

SIZE

10kHz

25kHz

50kHz

DESCRIPTION

The DS1085 is a dual-output frequency synthesizer requiring no external timing components for

operation. It can be used as a standalone oscillator or as a dynamically programmed, processor-controlled

peripheral device. An internal master oscillator can be programmed from 66MHz to 133MHz with three

resolution options of 10kHz, 25kHz, and 50kHz. A programmable, 3-bit prescaler (divide-by-1, 2, 4, or 8)

permits the generation of a reference oscillator output (OUT0) from the master, ranging from 8.2MHz to

133MHz. A second independent prescaler and a 1-to-1025 divider allows the generation of a main

oscillator output (OUT1) from 8.1kHz to 133MHz. The two outputs, although synchronous with the

master, can be independently programmed. The combination of programmable master oscillator,

prescalers, and dividers allows the generation of thousands of user-specified frequencies. All master

oscillator, prescaler, and divider settings are stored in NV (EEPROM) memory, providing a default value

on power-up that allows it to be used as a standalone oscillator. A 2-wire serial interface allows in-circuit,

on-the-fly programming of the master oscillator, prescalers (P0 and P1), and divider (N). This allows

dynamic frequency modification, if required, or, for fixed-frequency applications, the DS1085 can be

used with factory- or user-programmed values.

EconOscillator is a trademark of Dallas Semiconductor.

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与DS1085相关器件

型号	品牌	获取价格	描述	数据表
DS1085L	MAXIM	获取价格	3.3V EconOscillator Frequency Synthesizer
DS1085L_V01	MAXIM	获取价格	3.3V EconOscillator Frequency Synthesizer
DS1085LZ-12	MAXIM	获取价格	3.3V EconOscillator Frequency Synthesizer
DS1085LZ-12+	MAXIM	获取价格	Clock Generator, 66MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOP-8
DS1085LZ-12B2+	MAXIM	获取价格	Clock Generator, 66MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOP-8
DS1085LZ-25	MAXIM	获取价格	3.3V EconOscillator Frequency Synthesizer
DS1085LZ-25+	MAXIM	获取价格	Clock Generator, 66MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOP-8
DS1085LZ-25B2	MAXIM	获取价格	Clock Generator, 66MHz, CMOS, PDSO8, 0.150 INCH, SOP-8
DS1085LZ-5	MAXIM	获取价格	3.3V EconOscillator Frequency Synthesizer
DS1085LZ-5+	MAXIM	获取价格	Clock Generator, 66MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOP-8

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