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參數(shù)資料
| 型號(hào)： | SM840051KA |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 6/10頁(yè) |
| 文件大小： | 0K |
| 描述： | IC CLK SYNTHESIZER 10G 8TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | High Bandwidth Product Overview |
| 特色產(chǎn)品： | SM840051 Clock Synthesizer |
| 標(biāo)準(zhǔn)包裝： | 150 |
| 系列： | RotaryWave™ |
| 類型： | 時(shí)鐘/頻率合成器 |
| PLL： | 是 |
| 輸入： | 晶體 |
| 輸出： | LVCMOS，LVTTL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 無(wú)/無(wú) |
| 頻率 - 最大： | 162.4MHz |
| 除法器/乘法器： | 是/無(wú) |
| 電源電壓： | 2.375 V ~ 3.465 V |
| 工作溫度： | -40°C ~ 75°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-TSSOP |
| 包裝： | 管件 |
| 其它名稱： | 576-3622-5 |
Micrel, Inc.
SM840051
May 2010
5
M9999-050710-C
hbwhelp@micrel.com or (408) 955-1690
Functional Description
The SM840051 synthesizer provides a high performance
solution to frequency generation. Low cost crystals of
20.141601MHz, 19.53125MHz, and 19.44MHz are used to
provide low jitter output clocks of 161.132MHz, 156.25MHz
, and 155.52MHz, respectively. A single LVCMOS output,
capable of driving a 50 ohm load, is provided, which may
be tri-stated by the OE input.
The design of the SM840051 consumes very low power in
the PLL due to a patented technology in the VCO and the
associated dividers. The VCO range is ~3.2GHz to 3.5GHz
providing high resolution and easy integer divide ratios.
Output Divider ratios are fixed at either ÷20 or ÷40
controlled via the FSEL pin, and the feedback divider also
fixed at ÷160. Duty Cycle is inherently improved and
guarantees tight control and stability on this critical
specification. This provides improved specifications for
Duty Cycle, Jitter, Phase Noise, Power Consumption, and
noise sensitivity. Additionally, the SM840051 will operate
at either 3.3V or 2.5V supplies.
RMS Phase Noise/Jitter
Phase Noise Plot: 156.25MHz @ 3.3V
Offset Frequency ( Hz)
RMS Phase Jitter (Random)
1.875MHz to 20MHz = 58 fs (typical)
Noise Power
dBc/Hz
(Random)
1.875MHz to
20MHz
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM840051KA TR | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 77, 78, 155, 156 MHz Ultra Low Clock Synthesizer RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SM840051KATR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:10 Gigabit Ethernet Ultra-Low Jitter Clock Synthesizer |
| SM840B | 制造商:SECOS 制造商全稱:SeCoS Halbleitertechnologie GmbH 功能描述:8.0 AMP Surface Mount Schottky Barrier Rectifiers |
| SM840C | 制造商:SECOS 制造商全稱:SeCoS Halbleitertechnologie GmbH 功能描述:8.0 AMP Surface Mount Schottky Barrier Rectifiers |
| SM840D | 制造商:SECOS 制造商全稱:SeCoS Halbleitertechnologie GmbH 功能描述:8.0AMP Surface Mount S chottky Barrier Rec tifiers |
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