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ATA5749-6DQ

更新时间： 2024-02-14 04:16:22

品牌	Logo	应用领域
爱特美尔 - ATMEL		电信集成电路电信电路光电二极管异步传输模式 ATM
页数	文件大小	规格书
26页	581K
描述
Fractional-N PLL Transmitter IC

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技术参数
数据手册

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ATA5749-6DQ 技术参数

生命周期：	Obsolete	零件包装代码：	TSSOP
包装说明：	TSSOP,	针数：	10
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.65
JESD-30 代码：	S-PDSO-G10	长度：	3 mm
功能数量：	1	端子数量：	10
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装形状：	SQUARE	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
座面最大高度：	1.1 mm	标称供电电压：	3 V
表面贴装：	YES	电信集成电路类型：	TELECOM CIRCUIT
温度等级：	AUTOMOTIVE	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	DUAL
宽度：	3 mm	Base Number Matches：	1

ATA5749-6DQ 数据手册

Features

• Fully Integrated Fractional-N PLL

• ASK and Closed Loop FSK Modulation

• Output Power Up to +12.5 dBm from 300 MHz to 450 MHz

• Current Consumption is Scaled by Output Power Programming

• Fast Crystal Oscillator Start-up Time of Typically 200 µs

• Low Current Consumption of Typically 7.3 mA at 5.5 dBm

• Only One 13.0000 MHz Crystal for 314.1 MHz to 329.5 MHz and 424.5 MHz to 439.9 MHz

Operation

Fractional-N

PLL Transmitter

• Single Ended RF Power Amplifier Output

• Many Software Programmable Options Using SPI:

– Output Power from –0.5 dBm to +12.5 dBm

– RF Frequency from 300 MHz to 450 MHz with Different Crystals

– FSK Deviation with 396 Hz Resolution

– CLK Output Frequency 3.25 MHz or 1.625 MHz

• Data Rate Up to 40 kbit/s (Manchester)

ATA5749

• 4 KV HBM ESD Protection Including XTO

• Operating Temperature Range of –40°C to +125°C

• Supply Voltage Range of 1.9V to 3.6V

• TSSOP10 Package

Preliminary

Benefits

• Robust Crystal Oscillator with Fast Start Up and High Reliability

• Lower Inventory Costs and Reduced Part Number Proliferation

• Longer Battery Lifetime

• Supports Multi-channel Operation

• Wide Tolerance Crystal Possible with PLL Software Compensation

1. Description

The ATA5749 is a fractional-N-PLL transmitter IC for 300 MHz to 450 MHz operation

and is especially targeted for Tire Pressure Sensor Gauges, Remote Keyless Entry,

and Passive Entry and other automotive applications. It operates at data rates up to

40 kbit/s Manchester for ASK and FSK with a typical 5.5 dBm output power at 7.3 mA.

Transmitter parameters such as output power, output frequency, FSK deviation, and

current consumption can be programmed using the SPI interface. This fully integrated

PLL transmitter IC simplifies RF board design and results in very low material costs.

9128D–RKE–01/09

12 3 4 5 6 7...26

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