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參數(shù)資料
| 型號(hào)： | DS1083LR+T |
| 廠(chǎng)商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 4/5頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK MOD SS 3.3V TSOT23-6 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類(lèi)型： | 擴(kuò)展頻譜時(shí)鐘調(diào)制器 |
| PLL： | 是 |
| 主要目的： | LCD 面板 |
| 輸入： | 時(shí)鐘 |
| 輸出： | LVCMOS |
| 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： | 134MHz |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 細(xì)型，TSOT-23-6 |
| 供應(yīng)商設(shè)備封裝： | TSOT-23-6 |
| 包裝： | 帶卷 (TR) |
Detailed Description
The DS1083L modulates an input clock to provide a cen-
ter-dithered spread-spectrum output. A 16MHz to
134MHz clock is applied to the CLKIN pin. The PLL
dithers the output clock about its center frequency at a
user-selectable magnitude. The user is required to cycle
power to the device each time there is a change in the
input frequency, for the PLL to lock correctly. This
ensures proper output frequency and dither rate. The
desired spread-spectrum magnitude is selected using
input pins SMSEL1 and SMSEL2 (see the
Pin Description
for details). The DS1083L is capable of generating
spread-spectrum clocks from 16MHz to 134MHz.
Dither-Rate Selection
The output spread-spectrum dither rate is automatically
adjusted depending on the input frequency, to maxi-
mize EMI reduction.
The dither cycle rate is:
fIN/512, if fIN is between 16MHz and 33MHz
fIN/1024, if fIN is between 33MHz and 64MHz
fIN/2048, if fIN is between 64MHz and 134MHz
On power-up, the output clock (SSO) remains three-
stated until it reaches a stable frequency (fSSO). The
dither rate is selected by sampling the input clock at
power-up.
Applications Information
Power-Supply Decoupling
To achieve best results, it is highly recommended that a
decoupling capacitor is used on the IC power-supply
pins. Typical values of decoupling capacitors are
0.01F and 0.1F. Use a high-quality, ceramic, surface-
mount capacitor, and mount it as close as possible to
the VCC and GND pins of the IC to minimize lead
inductance.
Chip Information
SUBSTRATE CONNECTED TO GROUND
DS1083L
16MHz to 134MHz Spread-Spectrum
Clock Modulator for LCD Panels
4
_______________________________________________________________________________________
Pin Description
PIN
NAME
DESCRIPTION
1
CLKIN
Clock Input. 16MHz to 134MHz clock input (fIN).
2
GND
Ground
3
SSO
Spread-Spectrum Clock Output. Outputs a center-dithered spread-spectrum version of the clock input at
CLKIN.
Spread-Spectrum Magnitude Select Inputs. These digital inputs select the desired spread-spectrum
magnitude as shown in the table below. Both inputs contain pullup resistors (RPU) to VCC.
SMSEL2
SMSEL1
MAGNITUDE SELECTED (%)
4
SMSEL2
0
±2
0
1
±1.5
1
0
±1
5SMSEL1
1
±0.5
6
VCC
Supply Voltage
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1083LR-U+ | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 16-134 MHz Spread Spctrm CLK Mod 4 LCD RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| DS1085 | 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:EconOscillator Frequency Synthesizer |
| DS1085L | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:3.3V EconOscillator Frequency Synthesizer |
| DS1085LZ-12 | 功能描述:可編程振蕩器 3.3V EconOscillator f Synthesizer RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負(fù)載電容:10 pF 端接類(lèi)型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
| DS1085LZ-12+ | 功能描述:可編程振蕩器 3.3V EconOscillator f Synthesizer RoHS:否 制造商:IDT 封裝 / 箱體:5 mm x 7 mm x 1.5 mm 頻率:15.476 MHz to 866.67, 975 MHz to 1300 MHz 頻率穩(wěn)定性:+/- 50 PPM 電源電壓:3.63 V 負(fù)載電容:10 pF 端接類(lèi)型:SMD/SMT 輸出格式:LVPECL 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 尺寸:7 mm W x 5 mm L x 1.5 mm H 封裝: |
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