Datasheet> 器件分类 > 嵌入式处理器和控制器> 微控制器和处理器> ASM3I2870AG-08TT

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ASM3I2870AG-08TT: 产品描述Clock Generator, 30MHz, CMOS, PDSO8, GREEN, TSSOP-8; 产品类别嵌入式处理器和控制器微控制器和处理器; 文件大小357KB，共12页; 制造商PulseCore Semiconductor Corporation; 标准

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ASM3I2870AG-08TT概述

Clock Generator, 30MHz, CMOS, PDSO8, GREEN, TSSOP-8

ASM3I2870AG-08TT规格参数

参数名称	属性值
是否Rohs认证	符合
厂商名称	PulseCore Semiconductor Corporation
包装说明	GREEN, TSSOP-8
Reach Compliance Code	unknown
其他特性	ALSO OPERATES AT 3.3V SUPPLY
JESD-30 代码	R-PDSO-G8
长度	4.4 mm
端子数量	8
最高工作温度	85 °C
最低工作温度	-40 °C
最大输出时钟频率	30 MHz
封装主体材料	PLASTIC/EPOXY
封装代码	TSSOP
封装形状	RECTANGULAR
封装形式	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）	NOT SPECIFIED
主时钟/晶体标称频率	30 MHz
认证状态	Not Qualified
座面最大高度	1.1 mm
最大供电电压	2.625 V
最小供电电压	2.375 V
标称供电电压	2.5 V
表面贴装	YES
技术	CMOS
温度等级	INDUSTRIAL
端子形式	GULL WING
端子节距	0.65 mm
端子位置	DUAL
处于峰值回流温度下的最长时间	NOT SPECIFIED
宽度	3 mm
uPs/uCs/外围集成电路类型	CLOCK GENERATOR, OTHER
Base Number Matches	1

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ASM3P2870A

Low Power Peak EMI

Reducing Solution

Features

Generates an EMI optimized clock signal at the

output.

Integrated loop filter components.

Operates with a 3.3 / 2.5V Supply.

Operating current less than 4mA.

Low power CMOS design.

Input frequency range: 13MHz to 30MHz for 2.5V

13MHz to 30MHz for 3.3V

Generates a 1X low EMI spread spectrum clock of

the input frequency.

Frequency deviation: ±0.75% (Typ) @ 22MHz Input

Frequency.

Available in 6-pin TSOT-23, 8-pin SOIC and 8-pin

TSSOP Packages.

The ASM3P2870A uses the most efficient and optimized

modulation profile approved by the FCC and is

implemented by using a proprietary all digital method.

The ASM3P2870A modulates the output of a single PLL

in order to “spread” the bandwidth of a synthesized clock,

and more importantly, decreases the peak amplitudes of

its harmonics. This results in significantly lower system

EMI compared to the typical narrow band signal produced

by oscillators and most frequency generators. Lowering

EMI by increasing a signal‟s bandwidth is called „spread

spectrum clock generation.‟

Applications

The ASM3P2870A is targeted towards all portable

devices with very low power requirements like MP3

players and digital still cameras.

Product Description

The ASM3P2870A is a versatile spread spectrum

frequency modulator designed specifically for a wide

range of clock frequencies. The ASM3P2870A reduces

electromagnetic interference (EMI) at the clock source,

allowing system wide reduction of EMI of all clock

dependent signals. The ASM3P2870A allows significant

system cost savings by reducing the number of circuit

board layers, ferrite beads and shielding that are

traditionally required to pass EMI regulations.

Key Specifications

Description

Supply voltages

Cycle-to-Cycle Jitter

Output Duty Cycle

Modulation Rate Equation

Frequency Deviation

Specification

= 3.3V / 2.5V

200pS (Max)

45/55%

/640

±0.75% (Typ) @ 22MHz

Block Diagram

Modulation

XIN

Crystal

Oscillator

XOUT

Frequency

Divider

Feedback

Divider

REFOUT

PLL

Phase

Detector

Loop

Filter

VCO

Output

Divider

ModOUT

JANUARY 2010 – Rev. 2

Publication Order Number:

ASM3P2870/D

ASM3I2870AG-08TT相似产品对比

	ASM3I2870AG-08TT	ASM3I2870AF-08TR	ASM3I2870AF-08TT	ASM3I2870AG-08TR	ASM3I2870AG-06OR	ASM3I2870AG-08SR	ASM3I2870AG-08ST	ASM3I2870AF-06OR	ASM3I2870AF-08SR
描述	Clock Generator, 30MHz, CMOS, PDSO8, GREEN, TSSOP-8	Clock Generator, 30MHz, CMOS, PDSO8, ROHS COMPLIANT, TSSOP-8	Clock Generator, 30MHz, CMOS, PDSO8, ROHS COMPLIANT, TSSOP-8	Clock Generator, 30MHz, CMOS, PDSO8, GREEN, TSSOP-8	Clock Generator, 30MHz, CMOS, PDSO6, GREEN, TSOT-23, 6 PIN	Clock Generator, 30MHz, CMOS, PDSO8, GREEN, SOIC-8	Clock Generator, 30MHz, CMOS, PDSO8, GREEN, SOIC-8	Clock Generator, 30MHz, CMOS, PDSO6, ROHS COMPLIANT, TSOT-23, 6 PIN	Clock Generator, 30MHz, CMOS, PDSO8, ROHS COMPLIANT, SOIC-8
是否Rohs认证	符合	符合	符合	符合	符合	符合	符合	符合	符合
包装说明	GREEN, TSSOP-8	ROHS COMPLIANT, TSSOP-8	ROHS COMPLIANT, TSSOP-8	GREEN, TSSOP-8	GREEN, TSOT-23, 6 PIN	GREEN, SOIC-8	GREEN, SOIC-8	ROHS COMPLIANT, TSOT-23, 6 PIN	ROHS COMPLIANT, SOIC-8
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
其他特性	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY
JESD-30 代码	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G6	R-PDSO-G8	R-PDSO-G8	R-PDSO-G6	R-PDSO-G8
长度	4.4 mm	4.4 mm	4.4 mm	4.4 mm	2.9 mm	4.9 mm	4.9 mm	2.9 mm	4.9 mm
端子数量	8	8	8	8	6	8	8	6	8
最高工作温度	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
最低工作温度	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
最大输出时钟频率	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	TSSOP	TSSOP	TSSOP	TSSOP	VSSOP	SOP	SOP	VSSOP	SOP
封装形状	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
封装形式	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	SMALL OUTLINE
峰值回流温度（摄氏度）	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	260	NOT SPECIFIED	NOT SPECIFIED	260	NOT SPECIFIED
主时钟/晶体标称频率	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz	30 MHz
认证状态	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
座面最大高度	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1 mm	1.75 mm	1.75 mm	1 mm	1.75 mm
最大供电电压	2.625 V	2.625 V	2.625 V	2.625 V	2.625 V	2.625 V	2.625 V	2.625 V	2.625 V
最小供电电压	2.375 V	2.375 V	2.375 V	2.375 V	2.375 V	2.375 V	2.375 V	2.375 V	2.375 V
标称供电电压	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V
表面贴装	YES	YES	YES	YES	YES	YES	YES	YES	YES
技术	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
温度等级	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
端子形式	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
端子节距	0.65 mm	0.65 mm	0.65 mm	0.65 mm	0.95 mm	1.27 mm	1.27 mm	0.95 mm	1.27 mm
端子位置	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
处于峰值回流温度下的最长时间	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	40	NOT SPECIFIED	NOT SPECIFIED	40	NOT SPECIFIED
宽度	3 mm	3 mm	3 mm	3 mm	1.6 mm	3.91 mm	3.91 mm	1.6 mm	3.91 mm
uPs/uCs/外围集成电路类型	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER
Base Number Matches	1	1	1	1	1	1	1	1	1

ASM3I2870AG-08TT

ASM3I2870AG-08TT概述

ASM3I2870AG-08TT规格参数

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ASM3I2870AG-08TT相似产品对比

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