Datasheet > DS1085L

DS1085L

更新时间： 2024-11-29 04:39:07

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
21页	322K
描述
3.3V EconOscillator Frequency Synthesizer

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中文翻译

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数据手册

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DS1085L 数据手册

DS1085L

3.3V EconOscillator Frequency

Synthesizer

www.maxim-ic.com

FEATURES

PIN ASSIGNMENT

C User-Programmable Frequency Synthesizer

C Programmable From 4.1kHz to 66MHz

C Dual Synchronous Outputs

C 4.13MHz to 66MHz Reference Oscillator

Output

OUT1

OUT0

V_CC

SCL

SDA

CTRL1

CTRL0

GND

C 4.1kHz to 66MHz Main Oscillator Output

C Single 3.0ꢀtoꢀ3.6V Supply

C Three Resolution Options

C 2-Wire Serial Interface

SO (150mil)

PIN DESCRIPTION

C 0.75% Absolute Accuracy

C Nonvolatile (NV) Frequency Settings

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

ORDERING INFORMATION

SDA

SCL

- 2-Wire Serial Data Input/Output

- 2-Wire Serial Clock

STEP

OSCILLATOR

DEVICE

PACKAGE

SIZE

OUTPUT RANGE

DS1085LZ-5

DS1085LZ-12

DS1085LZ-25

150mil SO

5kHz

12.5kHz

25kHz

4.1kHz to 66MHz

DESCRIPTION

The DS1085L 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 33MHz to 66MHz with three

resolution options of 5kHz, 12.5kHz, and 25kHz. 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 4.13MHz to

66MHz. A second independent prescaler and a 1-to-1025 divider allow the generation of a main oscillator

output (OUT1) from 4.1kHz to 66MHz. 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 DS1085L can be used with factory- or

user-programmed values.

EconOscillator is a trademark of Dallas Semiconductor.

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与DS1085L相关器件

型号	品牌	获取价格	描述	数据表
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
DS1085LZ-5+T	MAXIM	获取价格	Clock Generator, 66MHz, CMOS, PDSO8, SOP-8

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